{"id":1528329,"date":"2025-08-01T11:00:59","date_gmt":"2025-08-01T02:00:59","guid":{"rendered":"https:\/\/e-earphone.blog\/?p=1528329"},"modified":"2025-09-02T16:57:31","modified_gmt":"2025-09-02T07:57:31","slug":"%e3%80%908%e6%9c%8816%e6%97%a5%e7%99%ba%e5%a3%b2%e3%80%91%e3%81%a4%e3%81%84%e3%81%ab%e7%99%bb%e5%a0%b4%ef%bc%81astellkern%e3%81%ae%e8%b6%85%e3%83%bb%e3%83%8f%e3%82%a4%e3%82%a8%e3%83%b3%e3%83%89dap","status":"publish","type":"post","link":"https:\/\/e-earphone.blog\/?p=1528329","title":{"rendered":"\u30108\u670816\u65e5\u767a\u58f2\u3011\u3064\u3044\u306b\u767b\u5834\uff01Astell&#038;Kern\u306e\u8d85\u30fb\u30cf\u30a4\u30a8\u30f3\u30c9DAP\u3010A&#038;ultima SP4000\u3011"},"content":{"rendered":"<p>Astell&amp;Kern\u3088\u308a\u30d5\u30e9\u30c3\u30b0\u30b7\u30c3\u30d7\u6a5f\u300eA&amp;ultima SP4000\u300f\u304c\u3064\u3044\u306b\u767b\u5834\uff01<\/p>\n<hr \/>\n<p>\u3053\u3093\u306b\u3061\u306f\uff01e\u2606\u30a4\u30e4\u30db\u30f3PR\u30b9\u30bf\u30c3\u30d5\u3067\u3059\uff01<\/p>\n<p>&nbsp;<\/p>\n<p>Astell&amp;Kern\u304b\u3089\u3001\u524d\u4f5cA&amp;ultima SP3000\u3088\u308a3\u5e74\u3002\u5f85\u671b\u306e\u6700\u65b0\u30d5\u30e9\u30c3\u30b0\u30b7\u30c3\u30d7DAP\u300eA&amp;ultima SP4000\u300f\u3068\u5225\u58f2\u308a\u306e\u5c02\u7528\u30b1\u30fc\u30b9\u300eSP4000 Case Black\u300f\u304c\u3064\u3044\u306b\u767b\u5834\u3057\u307e\u3059\uff01\uff01<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2>Astell&amp;Kern\u3010A&amp;ultima SP4000\u3011<\/h2>\n<div id=\"attachment_1528397\" style=\"width: 610px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1528397\" class=\"wp-image-1528397\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/SP4000-1-300x300.jpg\" alt=\"\" width=\"600\" height=\"600\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/SP4000-1-300x300.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/SP4000-1-150x150.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/SP4000-1-768x768.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/SP4000-1-180x180.jpg 180w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/SP4000-1.jpg 1000w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><p id=\"caption-attachment-1528397\" class=\"wp-caption-text\">Astell&amp;Kern\u300eA&amp;ultima SP4000\u300f<\/p><\/div>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"text-decoration: underline;\"><span style=\"color: #ff00ff; text-decoration: underline;\"><a style=\"color: #ff00ff; text-decoration: underline;\" href=\"https:\/\/www.e-earphone.jp\/products\/614385\">\u25bcAstell&amp;Kern\u3010A&amp;ultima SP4000\u3011\u3000e\u2606\u30a4\u30e4\u30db\u30f3 \u30aa\u30f3\u30e9\u30a4\u30f3\u30b9\u30c8\u30a2\u4fa1\u683c \u00a5623,700-(\u7a0e\u8fbc)\u00a0<\/a><\/span><\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"text-decoration: underline;\"><strong><span style=\"color: #ff00ff;\"><a style=\"color: #ff00ff; text-decoration: underline;\" href=\"https:\/\/www.e-earphone.jp\/products\/614681\">\u25bcAstell&amp;Kern\u3010SP4000 Case Black\u3011\u3000e\u2606\u30a4\u30e4\u30db\u30f3 \u30aa\u30f3\u30e9\u30a4\u30f3\u30b9\u30c8\u30a2\u4fa1\u683c \u00a522,770-(\u7a0e\u8fbc)\u00a0<\/a><\/span><\/strong><\/span><\/p>\n<p style=\"text-align: center;\">\u00a0<\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 24px;\"><strong><span style=\"color: #ff0000;\">&#x1f389;2025\u5e748\u670816\u65e5\u767a\u58f2&#x1f389;<\/span><\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30102025\u5e74\u306e\u6700\u9ad8\u5cf0\uff01\uff1f\u3011Astell&amp;Kern A&amp;ultima SP4000\u306e\u9032\u5316\u304c\u30e4\u30d0\u3044\uff01\u30d5\u30e9\u30c3\u30b0\u30b7\u30c3\u30d7DAP\u3092\u5fb9\u5e95\u89e3\u8aac\uff01\" width=\"1118\" height=\"629\" src=\"https:\/\/www.youtube.com\/embed\/_QdIsJHwQyY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2>Astell&amp;Kern<\/h2>\n<div id=\"attachment_1528465\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1528465\" class=\"wp-image-1528465\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/850c7612116999490846136e772ab7fd-300x200.jpg\" alt=\"\" width=\"800\" height=\"532\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/850c7612116999490846136e772ab7fd-300x200.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/850c7612116999490846136e772ab7fd-1024x681.jpg 1024w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/850c7612116999490846136e772ab7fd-150x100.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/850c7612116999490846136e772ab7fd-768x511.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/850c7612116999490846136e772ab7fd.jpg 1082w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-1528465\" class=\"wp-caption-text\">A&amp;ultima SP4000 Black<\/p><\/div>\n<p>Astell&amp;Kern\u306f\u30012012\u5e74\u306b\u97d3\u56fd\u30bd\u30a6\u30eb\u3067\u8a2d\u7acb\u3055\u308c\u305f\u4e16\u754c\u5c55\u958b\u306eHi-Fi\u30aa\u30fc\u30c7\u30a3\u30aa\u30d6\u30e9\u30f3\u30c9\u3067\u3059\u3002<\/p>\n<p>\u30cf\u30a4\u30ec\u30be\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30fb\u30aa\u30fc\u30c7\u30a3\u30aa\u518d\u751f\u306e\u70ba\u3001\u30af\u30e9\u30b9\u6700\u9ad8\u30ec\u30d9\u30eb\u306e\u30aa\u30fc\u30c7\u30a3\u30aa\u6a5f\u5668\u306e\u8a2d\u8a08\u3068\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5353\u8d8a\u3057\u305f\u30c7\u30b6\u30a4\u30f3\u3068\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3001\u30af\u30e9\u30d5\u30c8\u30de\u30f3\u30b7\u30c3\u30d7\u3001\u9ad8\u54c1\u8cea\u306a\u7d20\u6750\u3068\u6700\u5148\u7aef\u306e\u30aa\u30fc\u30c7\u30a3\u30aa\u6280\u8853\u3092\u878d\u5408\u3055\u305b\u305fAstell&amp;Kern\u306e\u30dd\u30fc\u30bf\u30d6\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u3001\u30d8\u30c3\u30c9\u30db\u30f3\u30fb\u30a4\u30e4\u30db\u30f3\u3001\u30db\u30fc\u30e0\u30aa\u30fc\u30c7\u30a3\u30aa\u30b7\u30b9\u30c6\u30e0\u306e\u88fd\u54c1\u7fa4\u306f\u3001\u59a5\u5354\u306e\u306a\u3044\u30aa\u30fc\u30c7\u30a3\u30aa\u54c1\u8cea\u3092\u30e6\u30fc\u30b6\u30fc\u3078\u63d0\u4f9b\u3057\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u6982\u8981<\/h2>\n<div id=\"attachment_1528467\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1528467\" class=\"wp-image-1528467\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/6dee720f7498bb43c796216be1b36592-300x200.jpg\" alt=\"\" width=\"800\" height=\"532\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/6dee720f7498bb43c796216be1b36592-300x200.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/6dee720f7498bb43c796216be1b36592-1024x681.jpg 1024w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/6dee720f7498bb43c796216be1b36592-150x100.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/6dee720f7498bb43c796216be1b36592-768x511.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/6dee720f7498bb43c796216be1b36592.jpg 1082w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-1528467\" class=\"wp-caption-text\">A&amp;ultima SP4000 Silver<\/p><\/div>\n<p>\nA&amp;ultima SP4000\u306f\u3001SP3000\u306b\u7d9a\u304f3\u5e74\u9593\u306e\u305f\u3086\u307e\u306c\u7814\u7a76\u3068\u9769\u65b0\u304b\u3089\u751f\u307e\u308c\u305f\u3001Astell&amp;Kern\u306e\u6700\u65b0\u30d5\u30e9\u30c3\u30b0\u30b7\u30c3\u30d7\u30fb\u30c7\u30b8\u30bf\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u3067\u3059\u3002<\/p>\n<p>\u6700\u5148\u7aef\u6280\u8853\u3068\u6700\u9ad8\u5cf0\u306e\u30b9\u30da\u30c3\u30af\u3092\u878d\u5408\u3057\u305f\u30d5\u30e9\u30c3\u30b0\u30b7\u30c3\u30d7\u30e9\u30a4\u30f3\u30ca\u30c3\u30d7\u3067\u3042\u308bA&amp;ultima\u30b7\u30ea\u30fc\u30ba\u306e\u4e00\u7ffc\u3092\u62c5\u3046SP4000\u306f\u3001\u304b\u3064\u3066\u7a76\u6975\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3068\u79f0\u3055\u308c\u305fSP3000\u306e\u67a0\u3092\u8d85\u3048\u305f\u5b58\u5728\u3067\u3059\u3002<\/p>\n<p>\u5148\u9032\u306eOCTA\u30aa\u30fc\u30c7\u30a3\u30aa\u56de\u8def\u69cb\u9020\u3092\u63a1\u7528\u3057\u305fSP4000\u306f\u3001\u30aa\u30fc\u30c7\u30a3\u30aa\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u771f\u9ac4\u3092\u51dd\u7e2e\u3057\u3001\u6d17\u7df4\u3055\u308c\u3001\u30d1\u30ef\u30d5\u30eb\u3067\u3001\u539f\u97f3\u306b\u9650\u308a\u306a\u304f\u8fd1\u3044\u3001\u3053\u308c\u307e\u3067\u306b\u306a\u3044\u30b5\u30a6\u30f3\u30c9\u4f53\u9a13\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002SP4000\u3067\u3001\u65b0\u6b21\u5143\u306e\u30b5\u30a6\u30f3\u30c9\u3092\u4f53\u9a13\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u300eA&amp;ultima SP4000\u300f\u306f\u3001\u5148\u9032\u306e\u30aa\u30af\u30bf\u30aa\u30fc\u30c7\u30a3\u30aa\u56de\u8def\u69cb\u6210\u3092\u63a1\u7528\u3057\u3001\u6700\u5148\u7aef\u6280\u8853\u3068\u6700\u9ad8\u5cf0\u306e\u30b9\u30da\u30c3\u30af\u306e\u878d\u5408\u306b\u3088\u3063\u3066\u3001SP3000\u3092\u8d85\u3048\u308b\u30aa\u30fc\u30c7\u30a3\u30aa\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u771f\u9ac4\u3068\u65b0\u6b21\u5143\u306e\u30b5\u30a6\u30f3\u30c9\u3092\u63d0\u4f9b\u3059\u308b\u6700\u65b0\u30d5\u30e9\u30c3\u30b0\u30b7\u30c3\u30d7\u30e2\u30c7\u30eb\u3067\u3059\u3002<\/p>\n<p>AK4191EQ\u3068AK4499EX DAC\u304c1\u5bfe1\u306e\u72b6\u614b\u30674\u57fa\u642d\u8f09\u3057\u305f\u3001\u771f\u306eQuad DAC\u69cb\u6210\u3068\u306a\u308b\u72ec\u81ea\u306eOCTA\u30aa\u30fc\u30c7\u30a3\u30aa\u56de\u8def\u69cb\u9020\u63a1\u7528\u306b\u3088\u308a\u3001\u4fe1\u53f7\u51e6\u7406\u80fd\u529b\u3092\u5927\u5e45\u306b\u5f37\u5316\u3002<\/p>\n<p>SP4000\u306f\u3001SP3000\u306e2\u500d\u306eOP AMP\u3092\u4f7f\u7528\u3057\u6c34\u5e73\u306b\u4e26\u5217\u914d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3001\u96fb\u6d41\u3092\u5927\u5e45\u306b\u5897\u52a0\u3055\u305b\u308bHigh Driving Mode\u3092\u642d\u8f09\u3002<\/p>\n<p>\u3053\u308c\u306b\u3088\u308a\u901a\u5e38\u306f\u51fa\u529b\u3092\u4e0a\u3052\u308b\u3068\u4f9b\u7d66\u96fb\u6d41\u304c\u5897\u52a0\u3057\u3066THD\u306b\u5f71\u97ff\u3057\u3001\u9006\u306b\u30ce\u30a4\u30ba\u3092\u6e1b\u3089\u3059\u3068\u51fa\u529b\u304c\u4e0d\u8db3\u3059\u308b\u3068\u3044\u3046\u9577\u5e74\u306e\u554f\u984c\u3092\u30af\u30ea\u30a2\u3057\u3001\u3088\u308a\u6df1\u304f\u5965\u884c\u304d\u306e\u3042\u308b\u30d1\u30ef\u30d5\u30eb\u306a\u30b5\u30a6\u30f3\u30c9\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30b8\u30bf\u30eb\u4fe1\u53f7\u304b\u3089\u30a2\u30ca\u30ed\u30b0\u4fe1\u53f7\u306b\u5909\u63db\u3055\u308c\u308b\u969b\u306b\u8d77\u3053\u308b\u5404\u5468\u6ce2\u6570\u5e2f\u306e\u30ba\u30ec\u3067\u3042\u308b\u7fa4\u9045\u5ef6\u3092\u6700\u5c0f\u5316\u3059\u308b\u3001\u72ec\u81ea\u306eESA\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3092\u63a1\u7528\u3002<\/p>\n<p>\u96fb\u6e90\u306b\u306f\u65b0\u305f\u306bLDO\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u3092\u642d\u8f09\u3057\u305f\u3053\u3068\u3067\u3001\u30d0\u30c3\u30c6\u30ea\u30fc\u96fb\u5727\u3092\u5b89\u5b9a\u5316\u3057\u3001\u6700\u9ad8\u30ec\u30d9\u30eb\u306e\u8d85\u4f4e\u30ce\u30a4\u30ba\u5316\u3092\u5b9f\u73fe\u3002<\/p>\n<p>Any Layer HDI PCB\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u63a1\u7528\u3067\u3001\u8907\u96d1\u306a\u56de\u8def\u3092\u7cbe\u5bc6\u306b\u8a2d\u8a08\u3059\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3057\u3001\u4fe1\u53f7\u30ed\u30b9\u3092\u6700\u5c0f\u5316\u3002<\/p>\n<p>\u3055\u3089\u306b\u7d14\u5ea699.9%\u306e\u9285\u88fd\u30b7\u30fc\u30eb\u30c9\u7f36\u3092Astell&amp;Kern\u3068\u3057\u3066\u521d\u63a1\u7528\u3057\u3001\u5916\u6765\u30ce\u30a4\u30ba\u3084\u96fb\u78c1\u5e72\u6e09\u3092\u906e\u65ad\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>SP4000\u306fAstell&amp;Kern\u521d\u306eFull Android OS\u3092\u63a1\u7528\u3002<\/p>\n<p>\u72ec\u81ea\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u6280\u8853\u3067\u3042\u308bADP\u306b\u3088\u3063\u3066Android OS\u306eSRC\u3092\u514b\u670d\u3057\u3001\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u74b0\u5883\u3067\u3082\u30d3\u30c3\u30c8\u30d1\u30fc\u30d5\u30a7\u30af\u30c8\u306a\u30ed\u30b9\u30ec\u30b9\u518d\u751f\u3092\u53ef\u80fd\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u305d\u3057\u3066\u7b2c2\u4e16\u4ee3DAR\u6280\u8853\u3068\u306a\u308bAdvanced DAR\u3092\u642d\u8f09\u3002<\/p>\n<p>VSE\u3092\u4f7f\u7528\u3057\u3066\u5931\u308f\u308c\u305f\u500d\u97f3\u3092\u4eee\u60f3\u5fa9\u5143\u3057\u3001\u521d\u671f\u6bb5\u968e\u3067\u97f3\u8cea\u3092\u5411\u4e0a\u3055\u305b\u3001\u3088\u308a\u9ad8\u7cbe\u5ea6\u306a\u30a2\u30c3\u30d7\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3092\u5b9f\u73fe\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u6a5f\u80fd\u6027\u3068\u30a8\u30e2\u30fc\u30b7\u30e7\u30ca\u30eb\u306a\u30c7\u30b6\u30a4\u30f3\u3092\u878d\u5408\u3057\u305f\u7b2c4.5\u4e16\u4ee3UI\u3092\u642d\u8f09\u3002<\/p>\n<p>\u30cf\u30a6\u30b8\u30f3\u30b0\u7d20\u6750\u306b\u306fStainless Steel 904L\u3092\u63a1\u7528\u3002<\/p>\n<p>6\u30a4\u30f3\u30c12K\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u3001Snapdragon 6125 Octa-core CPU\u642d\u8f09\u3067\u5feb\u9069\u306a\u64cd\u4f5c\u6027\u3068\u30b5\u30a6\u30f3\u30c9\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5b9f\u73fe\u3002<\/p>\n<p>\u307e\u305f\u30b7\u30e5\u30e9\u30f3\u30b1\u30f3\u30ab\u30fc\u30d5\u3092\u4f7f\u7528\u3057\u305f\u5c02\u7528\u30ec\u30b6\u30fc\u30b1\u30fc\u30b9\u3068\u3001\u30a4\u30e4\u30db\u30f3\u3084\u30b1\u30fc\u30d6\u30eb\u3092\u643a\u5e2f\u3059\u308b\u306e\u306b\u4fbf\u5229\u306a\u30ec\u30b6\u30fc\u30dd\u30fc\u30c1\u304c\u4ed8\u5c5e\u3057\u307e\u3059\u3002<\/p>\n[Built on Legacy, Evolving Perfection]\n<p>Astell&amp;Kern\u306e3\u5e74\u9593\u306e\u305f\u3086\u307e\u306c\u7814\u7a76\u3068\u9769\u65b0\u304b\u3089\u751f\u307e\u308c\u305f\u65b0\u30d5\u30e9\u30c3\u30b0\u30b7\u30c3\u30d7\u30e2\u30c7\u30ebA&amp;ultima SP4000\u3067\u3001\u65b0\u6b21\u5143\u306e\u30b5\u30a6\u30f3\u30c9\u3092\u4f53\u9a13\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><!-- \u76ee\u6b21 --><\/p>\n<div class=\"toc\">\n<h4>\uff1c\u30c8\u30d4\u30c3\u30af\uff1e<\/h4>\n<p>1\uff1aAK4191EQ\u00d74+AK4499EX\u00d74\u306e\u72ec\u81eaOCTA\u30aa\u30fc\u30c7\u30a3\u30aa\u56de\u8def\u69cb\u9020\u306b\u3088\u308b\u771f\u306eQuad DAC\u69cb\u6210<\/p>\n<p>2\uff1a\u6c34\u5e73\u4e26\u5217\u914d\u7f6eOP AMP\u306b\u3088\u308bHigh Driving Mode<\/p>\n<p>3\uff1a\u7fa4\u9045\u5ef6\u3092\u6700\u5c0f\u5316\u3059\u308bESA\uff08Enhanced Signal Alignment\uff09\u30c6\u30af\u30ce\u30ed\u30b8\u30fc<\/p>\n<p>4\uff1a\u8d85\u4f4e\u30ce\u30a4\u30ba\u96fb\u6e90\u3092\u5b9f\u73fe\u3059\u308bLDO\uff08Low Dropout\uff09\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc<\/p>\n<p>5\uff1a\u4fe1\u53f7\u30ed\u30b9\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308bAny Layer HDI PCB\u30c6\u30af\u30ce\u30ed\u30b8\u30fc<\/p>\n<p>6\uff1a\u5916\u6765\u30ce\u30a4\u30ba\u3084\u96fb\u78c1\u5e72\u6e09\u3092\u906e\u65ad\u3059\u308b\u7d14\u5ea699.9%\u306e\u9285\u88fd\u30b7\u30fc\u30eb\u30c9\u7f36<\/p>\n<p>7\uff1a\u30a2\u30d7\u30ea\u3092\u81ea\u7531\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u53ef\u80fd\u306aAstell&amp;Kern\u521d\u3068\u306a\u308bFull Android OS<\/p>\n<p>8\uff1aSRC\uff08\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5236\u9650\uff09\u3092\u514b\u670d\u3059\u308b\u72ec\u81ea\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u6280\u8853ADP\uff08Astell&amp;Kern Direct Path\uff09<\/p>\n<p>9\uff1aVSE (Virtual Sound Extender)\u3092\u4f7f\u7528\u3057\u305fAdvanced DAR\uff08Digital Audio Remaster\uff09<\/p>\n<p>10\uff1a6\u30a4\u30f3\u30c12K\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u3001Snapdragon 6125 Octa-core CPU\u642d\u8f09\u3067\u5feb\u9069\u306a\u64cd\u4f5c\u6027&lt;\/&gt;<\/p>\n<p>11\uff1a\u6a5f\u80fd\u6027\u3068\u30a8\u30e2\u30fc\u30b7\u30e7\u30ca\u30eb\u306a\u30c7\u30b6\u30a4\u30f3\u3092\u878d\u5408\u3057\u305f\u7b2c4.5\u4e16\u4ee3UI<\/p>\n<p>12\uff1a\u30cf\u30a6\u30b8\u30f3\u30b0\u7d20\u6750\u306bStainless Steel 904L\u4f7f\u7528<\/p>\n<p>13\uff1aPerlinger\uff08\u30da\u30eb\u30ea\u30f3\u30ac\u30fc\uff09\u793e\u306e\u30b7\u30e5\u30e9\u30f3\u30b1\u30f3\u30ab\u30fc\u30d5\u88fd\u30ec\u30b6\u30fc\u30b1\u30fc\u30b9\u4ed8\u5c5e<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<h2>\u3010A&amp;ultima SP4000\u3011\u4e3b\u306a\u7279\u5fb4<\/h2>\n<h3>\u3010Built on Legacy, Evolving Perfection\u3011\u6700\u65b0\u6280\u8853\u3092\u99c6\u4f7f\u3057\u305f\u65b0\u30d5\u30e9\u30c3\u30b0\u30b7\u30c3\u30d7DAP<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1528376\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/1-7-300x200.jpg\" alt=\"\" width=\"800\" height=\"533\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/1-7-300x200.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/1-7-1024x683.jpg 1024w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/1-7-150x100.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/1-7-768x512.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/1-7.jpg 1050w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u300eA&amp;ultima SP4000\u300f\u306f\u3001\u5148\u9032\u306eOCTA\u30aa\u30fc\u30c7\u30a3\u30aa\u56de\u8def\u69cb\u6210\u3092\u63a1\u7528\u3057\u3001\u6700\u5148\u7aef\u6280\u8853\u3068\u6700\u9ad8\u5cf0\u306e\u30b9\u30da\u30c3\u30af\u306e\u878d\u5408\u306b\u3088\u3063\u3066\u3001\u524d\u30d5\u30e9\u30c3\u30b0\u30b7\u30c3\u30d7\u30e2\u30c7\u30eb\u3067\u3042\u308bSP3000\u3092\u8d85\u3048\u308b\u30aa\u30fc\u30c7\u30a3\u30aa\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u771f\u9ac4\u3068\u65b0\u6b21\u5143\u306e\u30b5\u30a6\u30f3\u30c9\u3092\u63d0\u4f9b\u3059\u308b\u6700\u65b0\u30d5\u30e9\u30c3\u30b0\u30b7\u30c3\u30d7\u30e2\u30c7\u30eb\u3067\u3059\u3002<\/p>\n[Built on Legacy, Evolving Perfection] Astell&amp;Kern\u306e3\u5e74\u9593\u306e\u305f\u3086\u307e\u306c\u7814\u7a76\u3068\u9769\u65b0\u304b\u3089\u751f\u307e\u308c\u305f\u65b0\u30d5\u30e9\u30c3\u30b0\u30b7\u30c3\u30d7\u30e2\u30c7\u30ebA&amp;ultima SP4000\u3067\u3001\u65b0\u6b21\u5143\u306e\u30b5\u30a6\u30f3\u30c9\u3092\u4f53\u9a13\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1528377\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/2-4-300x200.jpg\" alt=\"\" width=\"800\" height=\"533\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/2-4-300x200.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/2-4-1024x683.jpg 1024w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/2-4-150x100.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/2-4-768x512.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/2-4.jpg 1050w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u25a0OCTA\u30aa\u30fc\u30c7\u30a3\u30aa\u30aa\u30fc\u30c7\u30a3\u30aa\u56de\u8def\u69cb\u9020\u306b\u3088\u308b\u65b0\u306eQuad DAC\u69cb\u6210<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1528378\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/3-2-300x191.jpg\" alt=\"\" width=\"800\" height=\"508\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/3-2-300x191.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/3-2-1024x650.jpg 1024w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/3-2-150x95.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/3-2-768x488.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/3-2.jpg 1102w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>SP3000\u3067\u306f\u30c7\u30b8\u30bf\u30eb\u3068\u30a2\u30ca\u30ed\u30b0\u306e\u4fe1\u53f7\u51e6\u7406\u69cb\u6210\u30921:2\u306e\u5272\u5408\u3067\u5206\u96e2\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001SP4000\u3067\u306f1:1\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u30fc\u306b\u9032\u5316\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>AK4191EQ\u3068AK4499EX DAC\u304c1\u5bfe1\u306e\u72b6\u614b\u30674\u57fa\u642d\u8f09\u3057\u305f\u3001\u771f\u306eQuad DAC\u69cb\u6210\u3068\u306a\u308b\u72ec\u81ea\u306eOCTA\u30aa\u30fc\u30c7\u30a3\u30aa\u56de\u8def\u69cb\u9020\u63a1\u7528\u306b\u3088\u308a\u3001\u4fe1\u53f7\u51e6\u7406\u80fd\u529b\u3092\u5927\u5e45\u306b\u5f37\u5316\u3002<\/p>\n<p>AK4191EQ\u30c7\u30b8\u30bf\u30eb\u30d7\u30ed\u30bb\u30c3\u30b5\u30fc1\u57fa\u3068AK4499EX DAC 1\u57fa\u304c\u5bfe\u306b\u306a\u308b\u3053\u306e\u65b0\u69cb\u9020\u306b\u3088\u308a\u3001\u30ce\u30a4\u30ba\u3092\u5206\u6563\u3055\u305b\u308b\u3053\u3068\u306a\u304f\u3001\u30c7\u30b8\u30bf\u30eb\u4fe1\u53f7\u30921\u3064\u306eDAC\u306b\u5bfe\u3057\u6b63\u78ba\u306b\u5c4a\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u4fe1\u53f7\u306e\u5206\u96e2\u3068\u51e6\u7406\u306e\u5411\u4e0a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u305d\u306e\u7d50\u679c\u3001\u5f93\u6765\u306e\u72ec\u7acb\u30c7\u30e5\u30a2\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u56de\u8def\u306b\u5339\u6575\u3059\u308b131dB\u3068\u3044\u3046\u9a5a\u7570\u7684\u306aS\/N\u6bd4\u3092\u5b9f\u73fe\u3057\u307e\u3057\u305f\u3002<\/p>\n<div id=\"attachment_1528379\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1528379\" class=\"wp-image-1528379\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/4-2-300x238.jpg\" alt=\"\" width=\"800\" height=\"634\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/4-2-300x238.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/4-2-150x119.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/4-2-768x609.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/4-2.jpg 883w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-1528379\" class=\"wp-caption-text\">\u25c6\u30aa\u30fc\u30c7\u30a3\u30aa\u30d6\u30ed\u30c3\u30af\u56f3<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u25a0\u6c34\u5e73\u4e26\u5217\u914d\u7f6eOP AMP\u306b\u3088\u308bHigh Driving Mode<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1528380\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/5-300x147.jpg\" alt=\"\" width=\"800\" height=\"392\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/5-300x147.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/5-1024x502.jpg 1024w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/5-150x74.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/5-768x376.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/5.jpg 1428w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>SP4000\u306f\u3001SP3000\u306e2\u500d\u306eOP AMP\u3092\u4f7f\u7528\u3057\u6c34\u5e73\u306b\u4e26\u5217\u914d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3001\u96fb\u6d41\u3092\u5927\u5e45\u306b\u5897\u52a0\u3055\u305b\u3001\u3088\u308a\u8c4a\u304b\u3067\u7dfb\u5bc6\u306a\u30b5\u30a6\u30f3\u30c9\u3092\u5b9f\u73fe\u3057\u305f\u300cHigh Driving Mode\u300d\u3092\u642d\u8f09\u3002<\/p>\n<p>\u3053\u308c\u306b\u3088\u308a\u901a\u5e38\u306f\u30c9\u30e9\u30a4\u30d6\u529b\u3092\u4e0a\u3052\u308b\u3068\u4f9b\u7d66\u96fb\u6d41\u304c\u5897\u52a0\u3057\u3066THD\u306b\u5f71\u97ff\u3057\u3001\u9006\u306b\u30ce\u30a4\u30ba\u3092\u6e1b\u3089\u3059\u3068\u30c9\u30e9\u30a4\u30d6\u529b\u304c\u4e0d\u8db3\u3059\u308b\u3068\u3044\u3046\u9577\u5e74\u306e\u554f\u984c\u3092\u30af\u30ea\u30a2\u3057\u3001\u3088\u308a\u6df1\u304f\u5965\u884c\u304d\u306e\u3042\u308b\u30d1\u30ef\u30d5\u30eb\u306a\u30b5\u30a6\u30f3\u30c9\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Nomal Mode\u3068High Driving Mode\u306f\u5207\u308a\u66ff\u3048\u304c\u53ef\u80fd\u3067\u3001High Driving Mode\u6642\u306b\u306f\u6c34\u5e73\u4e26\u5217\u914d\u7f6e\u3057\u305fOP AMP\u3092\u5168\u3066\u4f7f\u7528\u3057\u3001\u56db\u8f2a\u99c6\u52d5\u8eca\u304c\u60aa\u8def\u3092\u78ba\u5b9f\u306b\u8d70\u7834\u3059\u308b\u3088\u3046\u306a\u3001\u30c8\u30eb\u30af\u611f\u304c\u3042\u308a\u529b\u5f37\u304f\u5b89\u5b9a\u3057\u305f\u51fa\u529b\u306b\u3088\u3063\u3066\u3001\u7e4a\u7d30\u306a\u97f3\u306e\u30c7\u30a3\u30c6\u30fc\u30eb\u307e\u3067\u6b63\u78ba\u306b\u518d\u73fe\u3057\u3001\u3088\u308a\u6df1\u304f\u30af\u30ea\u30a2\u3067\u81e8\u5834\u611f\u3042\u3075\u308c\u308b\u97f3\u697d\u3092\u304a\u697d\u3057\u307f\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h4>\u76f4\u5217\u914d\u7f6e\u306eOP AMP\u69cb\u6210<\/h4>\n<p>\u99c6\u52d5\u7bc4\u56f2\u306f\u76f4\u7dda\u7684\u306b\u5e83\u304c\u308a\u307e\u3059\u304c\u3001\u30ce\u30a4\u30ba\u306e\u5897\u52a0\u3084S\/N\u6bd4\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/p>\n<p>\u97f3\u306b\u529b\u5f37\u3055\u3092\u611f\u3058\u308b\u53cd\u9762\u3001\u8352\u3005\u3057\u3055\u3084\u30ad\u30c4\u3055\u304c\u5897\u3048\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h4>\u4e26\u5217\u914d\u7f6e\u306eOP AMP\u69cb\u6210<\/h4>\n<p>\u99c6\u52d5\u7bc4\u56f2\u306f\u6c34\u5e73\u65b9\u5411\u306b\u5e83\u304c\u308a\u3001\u30ce\u30a4\u30ba\u306e\u5897\u52a0\u3084S\/N\u6bd4\u306e\u4f4e\u4e0b\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u305d\u306e\u7d50\u679c\u3001\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ec\u30f3\u30b8\u304c\u5e83\u304c\u308a\u3001\u97f3\u306e\u30c7\u30a3\u30c6\u30fc\u30eb\u304c\u5f37\u8abf\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u25a0\u7fa4\u9045\u5ef6\u3092\u6700\u5c0f\u5316\u3059\u308b\u72ec\u81ea\u306eESA\u30c6\u30af\u30ce\u30ed\u30b8\u30fc<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1528381\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/6-300x92.jpg\" alt=\"\" width=\"800\" height=\"244\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/6-300x92.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/6-1024x313.jpg 1024w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/6-150x46.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/6-768x234.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/6-1536x469.jpg 1536w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/6-2048x625.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>SP4000\u306f\u3001\u72ec\u81ea\u306eESA\uff08Enhanced Signal Alignment\uff09\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3092\u642d\u8f09\u3057\u3001\u30aa\u30fc\u30c7\u30a3\u30aa\u306e\u9577\u5e74\u306e\u8ab2\u984c\u306e\u4e00\u3064\u3067\u3042\u308b\u7fa4\u9045\u5ef6\u3092\u5927\u5e45\u306b\u6539\u5584\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u30aa\u30fc\u30c7\u30a3\u30aa\u306b\u304a\u3051\u308b\u7fa4\u9045\u5ef6\u3068\u306f\u3001\u5404\u5468\u6ce2\u6570\u304c\u5185\u90e8\u30b7\u30b9\u30c6\u30e0\u3092\u901a\u904e\u3059\u308b\u306e\u306b\u304b\u304b\u308b\u6642\u9593\u5dee\u3092\u6307\u3057\u3001\u30aa\u30fc\u30c7\u30a3\u30aa\u4fe1\u53f7\u5185\u306e\u7570\u306a\u308b\u5468\u6ce2\u6570\u304c\u540c\u6642\u306b\u5230\u9054\u305b\u305a\u3001\u308f\u305a\u304b\u306a\u9045\u5ef6\u304c\u751f\u3058\u308b\u73fe\u8c61\u306e\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<p>ESA\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306f\u3001\u5468\u6ce2\u6570\u4fe1\u53f7\u3092\u3088\u308a\u5747\u4e00\u306b\u6574\u5217\u3055\u305b\u3001\u5468\u6ce2\u6570\u6b6a\u307f\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u97f3\u306e\u660e\u77ad\u5ea6\u3068\u7d14\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u25a0\u8d85\u4f4e\u30ce\u30a4\u30ba\u96fb\u6e90\u3092\u5b9f\u73fe\u3059\u308bLDO\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1528382 size-medium\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/7-273x300.jpg\" alt=\"\" width=\"273\" height=\"300\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/7-273x300.jpg 273w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/7-137x150.jpg 137w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/7.jpg 700w\" sizes=\"(max-width: 273px) 100vw, 273px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>SP4000\u306f\u3001\u96fb\u6e90\u90e8\u306b\u65b0\u305f\u306bLDO\uff08Low Dropout\uff09\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u3092\u642d\u8f09\u3057\u3001\u5f93\u6765\u6bd4\u6700\u592797\uff05\u306e\u30ce\u30a4\u30ba\u4f4e\u6e1b\u3092\u5b9f\u73fe\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>LDO\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u306f\u3001\u4e00\u822c\u7684\u306b\u7cbe\u5bc6\u533b\u7642\u6a5f\u5668\u30845G\u901a\u4fe1\u6a5f\u5668\u306b\u4f7f\u7528\u3055\u308c\u308b\u9ad8\u6027\u80fd\u90e8\u54c1\u3067\u3059\u3002<\/p>\n<p>\u30d0\u30c3\u30c6\u30ea\u30fc\u96fb\u5727\u3092\u5b89\u5b9a\u3055\u305b\u3001\u30ce\u30a4\u30ba\u3092\u52b9\u679c\u7684\u306b\u6291\u5236\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u30af\u30ea\u30fc\u30f3\u3067\u30d4\u30e5\u30a2\u306a\u30b5\u30a6\u30f3\u30c9\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u25a0\u4fe1\u53f7\u30ed\u30b9\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308bAny Layer HDI PCB<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1528383\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/8-300x168.jpg\" alt=\"\" width=\"300\" height=\"168\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/8-300x168.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/8-1024x575.jpg 1024w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/8-150x84.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/8-768x431.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/8.jpg 1247w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>SP4000\u306b\u306f\u6700\u9ad8\u30ec\u30d9\u30eb\u306eAny Layer HDI\uff08High-Density Interconnect\uff09 PCB\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3084\u9ad8\u6027\u80fd\u96fb\u5b50\u6a5f\u5668\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u306e\u9ad8\u5ea6\u306a\u56de\u8def\u57fa\u677f\u306f\u3001\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u30b9\u30da\u30fc\u30b9\u306b\u8907\u96d1\u306a\u56de\u8def\u3092\u7cbe\u5bc6\u306b\u8a2d\u8a08\u3059\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u4fe1\u53f7\u7d4c\u8def\u3092\u6700\u9069\u5316\u51fa\u6765\u308b\u3053\u3068\u3067\u4fe1\u53f7\u306e\u30ed\u30b9\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u3088\u308a\u6d17\u7df4\u3055\u308c\u305f\u8a73\u7d30\u306a\u30b5\u30a6\u30f3\u30c9\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u25a0\u7d14\u5ea699.9%\u306e\u9285\u88fd\u30b7\u30fc\u30eb\u30c9\u7f36<\/h3>\n<p>Astell&amp;Kern\u306e\u30aa\u30fc\u30c7\u30a3\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u306f\u30aa\u30fc\u30c7\u30a3\u30aa\u30d6\u30ed\u30c3\u30af\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u69d8\u3005\u306a\u30ce\u30a4\u30ba\u3084\u96fb\u78c1\u5e72\u6e09\u3092\u906e\u65ad\u3059\u308b\u305f\u3081\u3001\u7cbe\u5bc6\u306b\u8a2d\u8a08\u3055\u308c\u305f\u30b7\u30fc\u30eb\u30c9\u7f36\u3092\u642d\u8f09\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>SP4000\u3067\u306f\u3001Astell&amp;Kern\u521d\u3068\u306a\u308b\u7d14\u5ea699.9%\u306e\u9285\u88fd\u30b7\u30fc\u30eb\u30c9\u7f36\u3092\u63a1\u7528\u3057\u3001\u512a\u308c\u305f\u30b7\u30fc\u30eb\u30c9\u6027\u80fd\u3060\u3051\u3067\u306a\u304f\u3001\u3053\u308c\u307e\u3067\u4ee5\u4e0a\u306b\u30af\u30ea\u30a2\u3067\u660e\u77ad\u306a\u30b5\u30a6\u30f3\u30c9\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u25a0Full Android OS\u63a1\u7528\u3068SRC\u3092\u514b\u670d\u3059\u308b\u72ec\u81ea\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u6280\u8853ADP<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1528385 size-medium\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/10-1-251x300.jpg\" alt=\"\" width=\"251\" height=\"300\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/10-1-251x300.jpg 251w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/10-1-125x150.jpg 125w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/10-1.jpg 700w\" sizes=\"(max-width: 251px) 100vw, 251px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3092\u4e2d\u5fc3\u3068\u3057\u305f\u97f3\u697d\u518d\u751f\u3078\u306e\u30b7\u30d5\u30c8\u304c\u9032\u3080\u4e2d\u3001SP4000\u306fAstell&amp;Kern\u521d\u306eFull Android OS\u3092\u63a1\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u30d5\u30e9\u30c3\u30b0\u30b7\u30c3\u30d7\u306e\u9ad8\u97f3\u8cea\u3092\u5b9f\u73fe\u3059\u308b\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u30a2\u30d7\u30ea\u3092\u81ea\u7531\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3053\u3068\u3067\u5229\u4fbf\u6027\u3082\u5411\u4e0a\u3055\u305b\u3001\u6b21\u4e16\u4ee3\u30c7\u30b8\u30bf\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u3068\u3057\u3066\u9032\u5316\u3092\u9042\u3052\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u72ec\u81ea\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u6280\u8853ADP\uff08Astell&amp;Kern Direct Path\uff09\u306b\u3088\u308a\u3001Android OS\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5236\u9650\uff08SRC\uff09\u3092\u514b\u670d\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u74b0\u5883\u306b\u304a\u3044\u3066\u3082\u30d3\u30c3\u30c8\u30d1\u30fc\u30d5\u30a7\u30af\u30c8\u306a\u30ed\u30b9\u30ec\u30b9\u518d\u751f\u3092\u53ef\u80fd\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1528384\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/9-300x72.jpg\" alt=\"\" width=\"800\" height=\"193\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/9-300x72.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/9-1024x246.jpg 1024w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/9-150x36.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/9-768x185.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/9-1536x369.jpg 1536w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/9-2048x492.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u25a0VSE\u3092\u4f7f\u7528\u3057\u305fAdvanced DAR<\/h3>\n<p>\u7b2c2\u4e16\u4ee3DAR\uff08Digital Audio Remaster\uff09\u6280\u8853\u3068\u306a\u308bAdvanced DAR\u3092\u642d\u8f09\u3057\u3001\u3088\u308a\u9ad8\u7cbe\u5ea6\u306a\u30a2\u30c3\u30d7\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3092\u5b9f\u73fe\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u30aa\u30fc\u30c7\u30a3\u30aa\u30d5\u30a1\u30a4\u30eb\u3092\u76f4\u63a5DAR\u30a8\u30f3\u30b8\u30f3\u306b\u9001\u3089\u305a\u3001\u307e\u305aVSE\uff08Virtual Sound Extender\uff09\u3092\u4f7f\u3063\u3066\u5931\u308f\u308c\u305f\u500d\u97f3\u3092\u4eee\u60f3\u5fa9\u5143\u3057\u3001\u521d\u671f\u6bb5\u968e\u3067\u97f3\u8cea\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u5f8c\u3001\u9ad8\u5ea6\u306aDAR\u30a8\u30f3\u30b8\u30f3\u304c2\u6bb5\u968e\u76ee\u306e\u30a2\u30c3\u30d7\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30d7\u30ed\u30bb\u30b9\u3092\u3001\u3088\u308a\u6b63\u78ba\u306b\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e2\u6bb5\u968e\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001\u30ea\u30b9\u30ca\u30fc\u306f\u3053\u308c\u307e\u3067\u4ee5\u4e0a\u306b\u30aa\u30ea\u30b8\u30ca\u30eb\u30ec\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u8fd1\u3044\u3001\u6df1\u304f\u6ca1\u5165\u611f\u306e\u3042\u308b\u30b5\u30a6\u30f3\u30c9\u3092\u697d\u3057\u3080\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h4>PCM\u5909\u63dbDAR<\/h4>\n<p>\u30fb44.1\/88.2\/176.4KHz\u306ePCM\u306f352.8KHz\u306b\u5909\u63db\u3057\u3066\u518d\u751f\u3055\u308c\u307e\u3059\u3002<br \/>\n\u30fb48\/96\/192KHz\u306ePCM\u306f384KHz\u306b\u5909\u63db\u3057\u3066\u518d\u751f\u3055\u308c\u307e\u3059\u3002<br \/>\n\u203bPCM\u30a2\u30c3\u30d7\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306eDAR\u3092\u9078\u629e\u3057\u3066\u3044\u308b\u5834\u5408\u3001DSD\u518d\u751f\u6642\u306ePCM\u5909\u63db\u306f\u884c\u308f\u308c\u307e\u305b\u3093\u3002<br \/>\n\u203b\u91cf\u5b50\u5316\u30d3\u30c3\u30c8\u657016\/24\/32bit\u306f\u5168\u306632bit\u306b\u5909\u63db\u3055\u308c\u307e\u3059\u3002<\/p>\n<h4>DSD\u5909\u63dbDAR<\/h4>\n<p>\u30fb96KHz\u4ee5\u4e0b\u306ePCM\u30d5\u30a1\u30a4\u30eb\u306f\u3001DSD128\u306b\u5909\u63db\u3057\u3066\u518d\u751f\u3055\u308c\u307e\u3059\u3002 <br \/>\n\u30fb176.4KHz\u4ee5\u4e0a\u306ePCM\u30d5\u30a1\u30a4\u30eb\u306f\u3001DSD256\u306b\u5909\u63db\u3057\u3066\u518d\u751f\u3055\u308c\u307e\u3059\u3002<br \/>\n\u203bDSD\u5909\u63db\u306eDAR\u3092\u9078\u629e\u3057\u3066\u3044\u308b\u5834\u5408\u3001DSD64\/128\u306eDSD\u30d5\u30a1\u30a4\u30eb\u306f\u3001DSD256\u306b\u5909\u63db\u3057\u3066\u518d\u751f\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u25a06\u30a4\u30f3\u30c12K\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u3068Snapdragon Octa-Core CPU<\/h3>\n<p>SP4000\u306f\u30016\u30a4\u30f3\u30c12K\uff082180\u00d71080\uff09\u306e\u9ad8\u7cbe\u7d30\u5927\u753b\u9762\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u3092\u642d\u8f09\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u307e\u305f\u3001CPU\u306b\u306fSnapdragon 6125Octa-Core\u30d7\u30ed\u30bb\u30c3\u30b5\u30fc\u3092\u642d\u8f09\u3057\u3001\u305d\u306e\u9ad8\u6027\u80fdCPU\u30688GB\u306eDDR4\u30e1\u30e2\u30ea\u306b\u3088\u3063\u3066\u512a\u308c\u305f\u30b5\u30a6\u30f3\u30c9\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u3001\u9ad8\u901f\u306a\u30b7\u30b9\u30c6\u30e0\u30ec\u30b9\u30dd\u30f3\u30b9\u3001\u5feb\u9069\u304b\u3064\u30b9\u30e0\u30fc\u30ba\u306b\u52d5\u304f\u518d\u8a2d\u8a08\u3055\u308c\u305f\u65b0\u4e16\u4ee3\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u697d\u3057\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>SP4000\u306f\u3001CPU\u3001\u30e1\u30e2\u30ea\u3001\u7121\u7dda\u901a\u4fe1\u90e8\u30921\u3064\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u3057\u3066\u69cb\u6210\u3057\u3001\u30c7\u30b8\u30bf\u30eb\u56de\u8def\u90e8\u3092\u540c\u4e00\u30a8\u30ea\u30a2\u306b\u914d\u7f6e\u3059\u308b\u3053\u3068\u3067\u30011\u3064\u306eSoC\uff08System on a Chip\uff09\u3092\u5b9f\u73fe\u3002<\/p>\n<p>\u30c7\u30b8\u30bf\u30eb\u56de\u8def\u306e\u767a\u71b1\u3084\u30ce\u30a4\u30ba\u3092\u4f4e\u6e1b\u3057\u3001\u30aa\u30fc\u30c7\u30a3\u30aa\u5c02\u7528\u306e\u56de\u8def\u30b9\u30da\u30fc\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u3067\u3001\u56de\u8def\u69cb\u6210\u5168\u4f53\u306e\u52b9\u7387\u3092\u6700\u5927\u9650\u306b\u9ad8\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1528386\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/11-300x108.jpg\" alt=\"\" width=\"800\" height=\"289\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/11-300x108.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/11-1024x370.jpg 1024w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/11-150x54.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/11-768x278.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/11-1536x555.jpg 1536w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/11.jpg 1937w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u25a0\u6a5f\u80fd\u6027\u3068\u30a8\u30e2\u30fc\u30b7\u30e7\u30ca\u30eb\u306a\u30c7\u30b6\u30a4\u30f3\u3092\u878d\u5408\u3057\u305f\u7b2c4.5\u4e16\u4ee3UI<\/h3>\n<p>SP4000\u306f\u3001\u6a5f\u80fd\u6027\u3068\u30a8\u30e2\u30fc\u30b7\u30e7\u30ca\u30eb\u306a\u4f53\u9a13\u3092\u4e21\u7acb\u3059\u308b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3055\u308c\u305fUI\u3092\u63a1\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u30e1\u30a4\u30f3\u753b\u9762\u3067\u306f\u3001\u30a2\u30eb\u30d0\u30e0\u3092\u30b9\u30ef\u30a4\u30d7\u3059\u308b\u3068LP\u304c\u30b9\u30e9\u30a4\u30c9\u3057\u3066\u8868\u793a\u3055\u308c\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u63a1\u7528\u3057\u3001\u97f3\u697d\u3092\u9078\u3076\u3068\u3044\u3046\u884c\u70ba\u3092\u8996\u899a\u7684\u306b\u697d\u3057\u3081\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306fAstell&amp;Kern\u306e\u30b7\u30b0\u30cd\u30c1\u30e3\u30fc\u3067\u3042\u308b\u30af\u30ea\u30e0\u30be\u30f3\u30c6\u30fc\u30de\u3092\u8e0f\u8972\u3057\u3001\u30d6\u30e9\u30f3\u30c9\u306e\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u53cd\u6620\u3057\u3001\u6d17\u7df4\u3055\u308c\u305f\u30e2\u30c0\u30f3\u306a\u30c7\u30b6\u30a4\u30f3\u306e\u4e2d\u306b\u72ec\u7279\u306e\u30a8\u30e2\u30fc\u30b7\u30e7\u30ca\u30eb\u306a\u611f\u899a\u3092\u8868\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h4>Crimson Theme + Interaction<\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1528387\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/12-300x75.jpg\" alt=\"\" width=\"800\" height=\"200\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/12-300x75.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/12-1024x256.jpg 1024w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/12-150x38.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/12-768x192.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/12-1536x384.jpg 1536w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/12-2048x512.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Edge<\/strong><\/p>\n<p>\u7aef\u6b63\u3067\u89d2\u306e\u306a\u3044\u30e9\u30a4\u30f3\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u7269\u7406\u7684\u306a\u30c7\u30b6\u30a4\u30f3\u3068\u547c\u5fdc\u3057\u3001\u305d\u306e\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u30b9\u30af\u30ea\u30fc\u30f3\u306b\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u6eb6\u3051\u8fbc\u307e\u305b\u308b\u3053\u3068\u3067\u3001\u5370\u8c61\u7684\u3067\u30a8\u30c3\u30b8\u306e\u52b9\u3044\u305f\u7f8e\u3057\u3055\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\n<strong>Simple<\/strong><\/p>\n<p>\u591a\u5f69\u306a\u6a5f\u80fd\u3092\u642d\u8f09\u3057\u306a\u304c\u3089\u3082\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u76f4\u611f\u7684\u3067\u30e6\u30fc\u30b6\u30fc\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u8a2d\u8a08\u3067\u3059\u3002<\/p>\n<p>\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30b9\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u63a7\u3048\u3081\u306a\u305f\u3081\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u6c17\u304c\u6563\u308b\u3053\u3068\u306a\u304f\u73fe\u5728\u306e\u753b\u9762\u306b\u96c6\u4e2d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>Simple<\/strong><\/p>\n<p>\u30e2\u30fc\u30b7\u30e7\u30f3\u30a8\u30d5\u30a7\u30af\u30c8\u306f\u3001\u611f\u60c5\u79fb\u5165\u3092\u9ad8\u3081\u3001\u30e6\u30fc\u30b6\u30fc\u3068\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u25a0\u30cf\u30a6\u30b8\u30f3\u30b0\u7d20\u6750\u306bStainless Steel 904L\u63a1\u7528<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1528388\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/13-200x300.jpg\" alt=\"\" width=\"533\" height=\"800\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/13-200x300.jpg 200w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/13-683x1024.jpg 683w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/13-100x150.jpg 100w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/13.jpg 700w\" sizes=\"(max-width: 533px) 100vw, 533px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>A&amp;ultima\u30b7\u30ea\u30fc\u30ba\u306e\u76ee\u6a19\u3067\u3042\u308b\u300c\u9769\u65b0\u7684\u3067\u59a5\u5354\u306e\u306a\u3044\u30c7\u30b6\u30a4\u30f3\u3068\u30af\u30e9\u30d5\u30c8\u30de\u30f3\u30b7\u30c3\u30d7\u3092\u99c6\u4f7f\u3057\u306a\u304c\u3089\u3001\u8ab0\u306b\u3082\u771f\u4f3c\u306e\u3067\u304d\u306a\u3044\u6700\u9ad8\u306e\u4fa1\u5024\u3092\u63d0\u4f9b\u3059\u308b\u300d\u305f\u3081\u306b\u3001SP4000\u306fStainless Steel 904L \u3092\u30cf\u30a6\u30b8\u30f3\u30b0\u7d20\u6750\u306b\u63a1\u7528\u3002<\/p>\n<p>904L\u306f\u3001\u4e00\u822c\u7684\u306a\u30b9\u30c6\u30f3\u30ec\u30b9\u3088\u308a\u3082\u786c\u304f\u3001\u52a0\u5de5\u304c\u96e3\u3057\u3044\u305f\u3081\u3001\u975e\u5e38\u306b\u624b\u9593\u3068\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u512a\u308c\u305f\u8010\u4e45\u6027\u3068\u8010\u98df\u6027\u306b\u3088\u308a\u3001\u7f8e\u3057\u3055\u3092\u5931\u308f\u306a\u3044\u7279\u6027\u3092\u6301\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u5168\u3066\u306e\u7d20\u6750\u3084\u90e8\u54c1\u306e\u5b8c\u6210\u5ea6\u3092\u8ffd\u6c42\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u9ad8\u4fa1\u306a\u9ad8\u7d1a\u6642\u8a08\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u3001\u4f55\u7269\u306b\u3082\u4ee3\u3048\u304c\u305f\u3044\u7d20\u6674\u3089\u3057\u3044\u8f1d\u304d\u3092\u653e\u3061\u307e\u3059\u3002<\/p>\n<p>\u719f\u7df4\u306e\u8077\u4eba\u6280\u306b\u3088\u3063\u3066\u751f\u307f\u51fa\u3055\u308c\u305f\u59a5\u5354\u306e\u306a\u3044\u7f8e\u3057\u3055\u3068\u9ad8\u7d1a\u611f\u3092\u305c\u3072\u4f53\u611f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u25a0\u512a\u308c\u305f\u30aa\u30fc\u30c7\u30a3\u30aa\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u9ad8\u3044\u6a5f\u80fd\u62e1\u5f35\u6027<\/h3>\n<p>\u30fb768KHz\/32bit\u3001DSD512\u30cd\u30a4\u30c6\u30a3\u30d6\u518d\u751f\u5bfe\u5fdc<br \/>\n\u30fb\u518d\u751f\u4e2d\u306e\u66f2\u306e\u30d3\u30c3\u30c8\u6df1\u5ea6\u60c5\u5831\u3092\u8868\u73fe\u3059\u308b\u30dc\u30ea\u30e5\u30fc\u30e0LED<br \/>\n\u30fb\u30b9\u30d4\u30fc\u30ab\u30fc\u306b\u8fd1\u3044\u97f3\u50cf\u3092\u5b9f\u73fe\u3059\u308b\u30af\u30ed\u30b9\u30d5\u30a3\u30fc\u30c9\u6a5f\u80fd<br \/>\n\u30fbRoon Ready\u5bfe\u5fdc\uff08Roon ARC APP\u5bfe\u5fdc\uff09\u3002<br \/>\n\u30fbDAC\u30d5\u30a3\u30eb\u30bf\u30fc\u5909\u66f4\uff086\u7a2e\u985e\uff09<br \/>\n\u30fb\u30ea\u30d7\u30ec\u30a4\u30b2\u30a4\u30f3\u6a5f\u80fd\u3000\u203b192kHz\/24bit\u307e\u3067\u306e\u97f3\u6e90\u306b\u5bfe\u5fdc<br \/>\n\u30fbUSB-DAC\u6a5f\u80fd\u3000\u203bWindows\u7528\u30c9\u30e9\u30a4\u30d0\u30fc\u306fHP\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<br \/>\n\u30fbUSB\u30c7\u30b8\u30bf\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u51fa\u529b\u3001\u5149\u30c7\u30b8\u30bf\u30eb\u51fa\u529b\uff083.5mm\uff09\u6a5f\u80fd<br \/>\n\u30fbBluetooth 5.0\u3001aptX HD \/ LDAC \/ LHDC \u30b3\u30fc\u30c7\u30c3\u30af\u5bfe\u5fdc<br \/>\n\u30fbBluetooth\u30ec\u30b7\u30fc\u30d0\u30fc\u6a5f\u80fd\u300cBT Sink\u300d<br \/>\n\u30fb\u30c7\u30e5\u30a2\u30eb\u30d0\u30f3\u30c9Wi-Fi\uff082.4\/5GHz\uff09<br \/>\n\u30fb\u30ef\u30a4\u30e4\u30ec\u30b9\u3067\u306e\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u304c\u53ef\u80fd\u306a\u300cAK File Drop\u300d\u6a5f\u80fd<br \/>\n\u30fbDLNA\u5f37\u5316\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30aa\u30fc\u30c7\u30a3\u30aa\u518d\u751f\u6a5f\u80fd\u300cAK Connect\u300d\u5bfe\u5fdc<br \/>\n\u30fbAirPlay\u5bfe\u5fdc<br \/>\n\u30fbQC 3.0\u6025\u901f\u5145\u96fb\u5bfe\u5fdc<br \/>\n\u30fbPD10\u30af\u30ec\u30fc\u30c9\u30eb\u5bfe\u5fdc<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u25a0\u30c9\u30a4\u30c4\u88fd\u30d7\u30ec\u30df\u30a2\u30e0\u30b7\u30e5\u30e9\u30f3\u30b1\u30f3\u30ab\u30fc\u30d5\u30ec\u30b6\u30fc\u30b1\u30fc\u30b9<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1528389 aligncenter\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/14-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/14-300x300.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/14-150x150.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/14-768x768.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/14-180x180.jpg 180w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/14.jpg 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1528390 aligncenter\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/15-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/15-300x300.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/15-150x150.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/15-768x768.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/15-180x180.jpg 180w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/15.jpg 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>SP4000\u306f\u3001\u30c9\u30a4\u30c4\u304c\u4e16\u754c\u306b\u8a87\u308b\u30ec\u30b6\u30fc\u30cf\u30a6\u30b9\u3067\u3042\u308bPerlinger\uff08\u30da\u30eb\u30ea\u30f3\u30ac\u30fc\uff09\u793e\u306e\u30b7\u30e5\u30e9\u30f3\u30b1\u30f3\u30ab\u30fc\u30d5\u3092\u4f7f\u7528\u3057\u305f\u9ad8\u7d1a\u30ec\u30b6\u30fc\u30b1\u30fc\u30b9\u304c\u4ed8\u5c5e\u3057\u307e\u3059\u3002<\/p>\n<p>1864\u5e74\u306b\u8a2d\u7acb\u3055\u308c\u30015\u4e16\u4ee3\u306b\u308f\u305f\u308b\u30af\u30e9\u30d5\u30c8\u30de\u30f3\u30b7\u30c3\u30d7\u3092\u8a87\u308bPerlinger\u793e\u306f\u3001\u7531\u7dd2\u3042\u308b\u4f1d\u7d71\u3068\u73fe\u4ee3\u7684\u306a\u6280\u8853\u3092\u878d\u5408\u3055\u305b\u305f\u6700\u9ad8\u7d1a\u306e\u30ec\u30b6\u30fc\u3092\u4e16\u754c\u4e2d\u306e\u30e9\u30b0\u30b8\u30e5\u30a2\u30ea\u30fc\u30d6\u30e9\u30f3\u30c9\u306b\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30b1\u30fc\u30b9\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30b7\u30e5\u30e9\u30f3\u30b1\u30f3\u30ab\u30fc\u30d5\u30ec\u30b6\u30fc\u306f\u3001\u751f\u5f8c1\u5e74\u672a\u6e80\u306e\u5b50\u725b\u306e\u67d4\u3089\u304b\u304f\u7e4a\u7d30\u306a\u76ae\u9769\u304b\u3089\u4f5c\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u81ea\u7136\u306a\u98a8\u5408\u3044\u3092\u4fdd\u3064\u305f\u3081\u306b\u30af\u30ed\u30e0\u306a\u3081\u3057\u6cd5\u3067\u52a0\u5de5\u3055\u308c\u305f\u5f8c\u3001\u71b1\u3092\u52a0\u3048\u308b\u3053\u3068\u306a\u304f\u7279\u6b8a\u306a\u85ac\u5264\u3092\u4f7f\u7528\u3057\u3066\u72ec\u81ea\u306e\u7e2e\u7d68\u52a0\u5de5\u3092\u65bd\u3057\u3001\u6709\u6a5f\u7684\u306a\u30b7\u30dc\u3068\u30b7\u30ef\u3092\u6b8b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30a2\u30cb\u30ea\u30f3\u67d3\u8272\u306e\u5f8c\u3001\u72ec\u81ea\u306e\u9854\u6599\u3092\u52a0\u3048\u3001\u6df1\u307f\u306e\u3042\u308b\u9bae\u3084\u304b\u306a\u8272\u306b\u4ed5\u4e0a\u3052\u307e\u3059\u3002<\/p>\n<p>\u9ad8\u5ea6\u306a\u30a2\u30f3\u30c1\u30a8\u30a4\u30b8\u30f3\u30b0\u51e6\u7406\u306b\u3088\u308a\u3001\u3053\u306e\u8c4a\u304b\u306a\u8272\u5f69\u304c\u9577\u671f\u306b\u308f\u305f\u3063\u3066\u6301\u7d9a\u3057\u3001SP4000\u306e\u4f53\u73fe\u3059\u308b\u7f8e\u3057\u3055\u3001\u8010\u4e45\u6027\u3001\u305d\u3057\u3066\u30e9\u30b0\u30b8\u30e5\u30a2\u30ea\u30fc\u3092\u30ec\u30b6\u30fc\u30b1\u30fc\u30b9\u3067\u3055\u3089\u306b\u5f15\u304d\u7acb\u3066\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u25a0\u30c7\u30b6\u30a4\u30f3\u30b3\u30f3\u30bb\u30d7\u30c8<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1528391\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/16-300x200.jpg\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/16-300x200.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/16-1024x683.jpg 1024w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/16-150x100.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/16-768x512.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/16.jpg 1050w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>SP4000\u306e\u30c7\u30b6\u30a4\u30f3\u30b3\u30f3\u30bb\u30d7\u30c8\u306f\u300c\u95c7\u3092\u8cab\u304f\u5149\u306e\u529b\u300d\u3067\u3059\u3002<\/p>\n<p>Astell&amp;Kern\u306e\u30d5\u30e9\u30c3\u30b0\u30b7\u30c3\u30d7\u30e9\u30a4\u30f3A&amp;ultima\u306e\u9802\u70b9\u306b\u7acb\u3064SP4000\u306f\u3001\u6027\u80fd\u3068\u30c7\u30b6\u30a4\u30f3\u306e\u9802\u70b9\u3092\u4f53\u73fe\u3059\u308b\u30c7\u30b8\u30bf\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u3067\u3059\u3002<\/p>\n<p>\u6697\u95c7\u3092\u7a81\u304d\u629c\u3051\u308b\u5149\u306e\u529b\u306e\u3088\u3046\u306b\u3001\u56de\u8ee2\u3059\u308b\u30dc\u30ea\u30e5\u30fc\u30e0\u30db\u30a4\u30fc\u30eb\u306f\u3001\u5f37\u56fa\u306a\u58c1\u3092\u7a81\u304d\u7834\u308b\u7834\u7247\u306e\u3088\u3046\u306b\u53ef\u8996\u5316\u3055\u308c\u305f\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u751f\u307f\u51fa\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30a4\u30e1\u30fc\u30b8\u306f\u3001\u30b7\u30e3\u30fc\u30d7\u306a\u30a8\u30c3\u30b8\u3001\u6291\u5236\u3055\u308c\u305f\u30c7\u30a3\u30c6\u30fc\u30eb\u3001\u5e7e\u4f55\u5b66\u7684\u306a\u69cb\u9020\u306b\u3088\u3063\u3066\u6349\u3048\u3089\u308c\u3001\u7206\u767a\u7684\u306a\u529b\u3068\u51dd\u7e2e\u3055\u308c\u305f\u30d1\u30ef\u30fc\u306e\u4e21\u65b9\u3092\u8868\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5bfe\u7167\u7684\u306a\u8868\u9762\u3068\u591a\u6b21\u5143\u7684\u306a\u30d5\u30a9\u30eb\u30e0\u306e\u76f8\u4e92\u4f5c\u7528\u306f\u3001\u7f8e\u89b3\u306b\u3068\u3069\u307e\u3089\u305a\u3001SP4000\u306e\u9ad8\u6027\u80fd\u30aa\u30fc\u30c7\u30a3\u30aa\u306e\u80fd\u529b\u3092\u8996\u899a\u7684\u306b\u8868\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u30dc\u30ea\u30e5\u30fc\u30e0\u30db\u30a4\u30fc\u30eb\u306e\u67c4\u306e\u89d2\u5ea6\u306b\u3082\u3053\u3060\u308f\u308a\u3001\u5fae\u5999\u306a\u89e6\u611f\u306e\u62b5\u6297\u611f\u3092\u4e0e\u3048\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u3068\u97f3\u305d\u306e\u3082\u306e\u3092\u3064\u306a\u3050\u611f\u899a\u7684\u306a\u4f53\u9a13\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>\u5358\u306b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u97f3\u697d\u3068\u306e\u76f4\u611f\u7684\u3067\u611f\u60c5\u7684\u306a\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n<p>SP4000\u306e\u7d20\u6750\u306e\u9078\u629e\u306f\u3001\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3068\u611f\u60c5\u306e\u4e21\u65b9\u3092\u4f53\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30d5\u30ed\u30f3\u30c8\u306f\u5149\u6ca2\u306e\u3042\u308b\u30dd\u30ea\u30c3\u30b7\u30e5\u4ed5\u4e0a\u3052\u306eStainless Steel 904L\u3001\u30ea\u30a2\u306fPVD\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30bb\u30e9\u30df\u30c3\u30af\u3067\u4ed5\u4e0a\u3052\u3089\u308c\u3001\u30d5\u30a9\u30eb\u30e0\u3068\u6a5f\u80fd\u306e\u4e21\u9762\u3067\u5353\u8d8a\u3057\u305f\u30af\u30e9\u30d5\u30c8\u30de\u30f3\u30b7\u30c3\u30d7\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>SP4000\u306f\u5358\u306a\u308b\u30c7\u30b8\u30bf\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u3067\u306f\u306a\u304f\u3001\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3001\u30c7\u30b6\u30a4\u30f3\u3001\u76f4\u611f\u3001\u305d\u3057\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u878d\u5408\u3057\u305f\u82b8\u8853\u4f5c\u54c1\u3067\u3042\u308a\u3001\u7a76\u6975\u306e\u30b5\u30a6\u30f3\u30c9\u4f53\u9a13\u306b\u5bfe\u3059\u308b\u7d14\u7c8b\u306a\u60c5\u71b1\u3092\u8868\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1528392\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/17-300x200.jpg\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/17-300x200.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/17-1024x683.jpg 1024w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/17-150x100.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/17-768x512.jpg 768w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/07\/17.jpg 1050w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u3010A&amp;ultima SP4000\u3011\u3000\u4e3b\u306a\u4ed5\u69d8<\/h3>\n<div class=\"table-wrap\">\u00a0<\/div>\n<table>\n<tbody>\n<tr>\n<td>\u30e2\u30c7\u30eb\u540d<\/td>\n<td>A&amp;ultima SP4000<\/td>\n<\/tr>\n<tr>\n<td>\u30ab\u30e9\u30fc<\/td>\n<td>Black \/ Silver<\/td>\n<\/tr>\n<tr>\n<td>\u672c\u4f53\u7d20\u6750<\/td>\n<td>Stainless Steel 904L<\/td>\n<\/tr>\n<tr>\n<td>\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4<\/td>\n<td>6\u30a4\u30f3\u30c1 2K\uff082160\u00d71080\uff09\u30bf\u30c3\u30c1\u30b9\u30af\u30ea\u30fc\u30f3<\/td>\n<\/tr>\n<tr>\n<td>\u30b5\u30a4\u30ba (W\u00d7H\u00d7D)<\/td>\n<td>85mm \u00d7 149.8mm \u00d7 19.5mm<\/td>\n<\/tr>\n<tr>\n<td>\u91cd\u91cf<\/td>\n<td>\u7d04615g<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/td>\n<td>OTA<\/td>\n<\/tr>\n<tr>\n<td>\u52d5\u4f5c\u6e29\u5ea6<\/td>\n<td>0\u2103 ~ +40\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u5bfe\u5fdcOS<\/td>\n<td>Windows 10 (32\/64bit) 11 (64bit) \/ MAC OS X 10.7<\/td>\n<\/tr>\n<tr>\n<td>\u5185\u8535\u30e1\u30e2\u30ea<\/td>\n<td>256GB [NAND] \u203b\u30b7\u30b9\u30c6\u30e0\u9818\u57df\u3092\u542b\u3080<\/td>\n<\/tr>\n<tr>\n<td>\u5916\u90e8\u30e1\u30e2\u30ea\u5bfe\u5fdc<\/td>\n<td>microSD\u30b9\u30ed\u30c3\u30c8\u00d71 (\u6700\u59272TB)<\/td>\n<\/tr>\n<tr>\n<td>Wi-Fi<\/td>\n<td>802.11 a\/b\/g\/n\/ac (2.4\/5GHz)<\/td>\n<\/tr>\n<tr>\n<td>Bluetooth<\/td>\n<td>V5.0 (A2DP, AVRCP \/ SBC, AAC, Qualcomm\u00ae aptX&#x2122; HD, LDAC, LHDC)<\/td>\n<\/tr>\n<tr>\n<td>\u5bfe\u5fdc\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f<\/td>\n<td>WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF<\/td>\n<\/tr>\n<tr>\n<td>CPU<\/td>\n<td>Octa-core<\/td>\n<\/tr>\n<tr>\n<td>DAC<\/td>\n<td>AKM AK4191EQ\u00d74 + AK4499EX\u00d74 (Real Quad DAC)<\/td>\n<\/tr>\n<tr>\n<td>\u5bfe\u5fdc\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30ec\u30fc\u30c8<\/td>\n<td>PCM\u6700\u5927 : 768KHz (16\/24\/32bit)<br \/>\nDSD\u6700\u5927 : DSD512 (22.4MHz\/1bit) \u30b9\u30c6\u30ec\u30aa<\/td>\n<\/tr>\n<tr>\n<td>\u5165\u529b<\/td>\n<td>USB Type-C (\u5145\u96fb\uff06\u30c7\u30fc\u30bf\u8ee2\u9001)<\/td>\n<\/tr>\n<tr>\n<td>\u51fa\u529b<\/td>\n<td>3.5mm3\u6975\u30a2\u30f3\u30d0\u30e9\u30f3\u30b9\u51fa\u529b(\u5149\u30c7\u30b8\u30bf\u30eb\u51fa\u529b\u517c\u7528)<br \/>\n4.4mm5\u6975\u30d0\u30e9\u30f3\u30b9\u51fa\u529b (5\u6975GND\u7d50\u7dda)<\/td>\n<\/tr>\n<tr>\n<td>\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u30ec\u30d9\u30eb<\/td>\n<td>\u30a2\u30f3\u30d0\u30e9\u30f3\u30b9 4.1Vrms \/ \u30d0\u30e9\u30f3\u30b9 8.2Vrms (\u7121\u8ca0\u8377)<\/td>\n<\/tr>\n<tr>\n<td>\u51fa\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9<\/td>\n<td>\u30a2\u30f3\u30d0\u30e9\u30f3\u30b9 4.1Vrms \/ \u30d0\u30e9\u30f3\u30b9 8.2Vrms (\u7121\u8ca0\u8377)<\/td>\n<\/tr>\n<tr>\n<td>\u5468\u6ce2\u6570\u7279\u6027<\/td>\n<td>\u00b10.006dB (20Hz~20kHz) \u30a2\u30f3\u30d0\u30e9\u30f3\u30b9 \/ \u00b10.006dB (20Hz~20kHz) \u30d0\u30e9\u30f3\u30b9<br \/>\n\u00b10.06dB (20Hz~70kHz) \u30a2\u30f3\u30d0\u30e9\u30f3\u30b9 \/ \u00b10.06dB (20Hz~70kHz) \u30d0\u30e9\u30f3\u30b9<\/td>\n<\/tr>\n<tr>\n<td>S\/N\u6bd4<\/td>\n<td>129dB @ 1kHz, \u30a2\u30f3\u30d0\u30e9\u30f3\u30b9 \/ 131dB @ 1kHz, \u30d0\u30e9\u30f3\u30b9<\/td>\n<\/tr>\n<tr>\n<td>\u30af\u30ed\u30b9\u30c8\u30fc\u30af<\/td>\n<td>-136dB @ 1kHz, \u30a2\u30f3\u30d0\u30e9\u30f3\u30b9 \/ -145dB @ 1kHz, \u30d0\u30e9\u30f3\u30b9<\/td>\n<\/tr>\n<tr>\n<td>THD+N<\/td>\n<td>0.0005% @ 1kHz, \u30a2\u30f3\u30d0\u30e9\u30f3\u30b9 \/ 0.0003% @ 1kHz, \u30d0\u30e9\u30f3\u30b9<\/td>\n<\/tr>\n<tr>\n<td>IMD<\/td>\n<td>0.0004% 800Hz 10kHz (4:1)\u30a2\u30f3\u30d0\u30e9\u30f3\u30b9 \/ 0.0004% 800Hz 10kHz (4:1)\u30d0\u30e9\u30f3\u30b9<\/td>\n<\/tr>\n<tr>\n<td>\u30af\u30ed\u30c3\u30af\u30b8\u30c3\u30bf\u30fc<\/td>\n<td>25ps (Typ)<\/td>\n<\/tr>\n<tr>\n<td>\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30af\u30ed\u30c3\u30af\u30b8\u30c3\u30bf\u30fc<\/td>\n<td>250 fs<\/td>\n<\/tr>\n<tr>\n<td>\u30d0\u30c3\u30c6\u30ea\u30fc<\/td>\n<td>6,780mAh 3.8V \u30ea\u30c1\u30a6\u30e0\u30dd\u30ea\u30de\u30fc<\/td>\n<\/tr>\n<tr>\n<td>\u5145\u96fb\u6642\u9593<\/td>\n<td>\u7d045\u6642\u9593 (QC 3.0\u5145\u96fb\u6642)<\/td>\n<\/tr>\n<tr>\n<td>\u518d\u751f\u6642\u9593<\/td>\n<td>\u7d0410\u6642\u9593<br \/>\n(Nomal Mode, FLAC, 44.1KHz\/16bit, Vol.50, LCD\u30aa\u30d5, \u30a2\u30f3\u30d0\u30e9\u30f3\u30b9\u51fa\u529b)<\/td>\n<\/tr>\n<tr>\n<td>\u4ed8\u5c5e\u54c1<\/td>\n<td>SP4000\u5c02\u7528\u30ec\u30b6\u30fc\u30b1\u30fc\u30b9, \u30a4\u30e4\u30db\u30f3\u643a\u5e2f\u7528\u30ec\u30b6\u30fc\u30dd\u30fc\u30c1<br \/>\nUSB Type-C to Type-C\u30b1\u30fc\u30d6\u30eb,<br \/>\n\u753b\u9762\u4fdd\u8b77\u30b7\u30fc\u30c8, microSD\u30ab\u30fc\u30c9\u30b9\u30ed\u30c3\u30c8\u30ab\u30d0\u30fc<\/td>\n<\/tr>\n<tr>\n<td>\u751f\u7523\u56fd<\/td>\n<td>\u97d3\u56fd<\/td>\n<\/tr>\n<tr>\n<td>\u30e1\u30fc\u30ab\u30fc\u4fdd\u8a3c<\/td>\n<td>\u672c\u4f531\u5e74 \/ \u4ed8\u5c5e\u54c190\u65e5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-size: 12px; color: #808080;\">\uff0a\u672c\u88fd\u54c1\u306e\u88fd\u54c1\u4fdd\u8a3c\u306b\u3042\u305f\u3063\u3066\u306f\u9818\u53ce\u66f8\u30fb\u7d0d\u54c1\u66f8\u30fb\u30ec\u30b7\u30fc\u30c8\uff08\u65e5\u4ed8\u8a18\u8f09\uff09\u7b49\u306e\u8cfc\u5165\u8a3c\u660e\u66f8\u3092\u5fc5\u305a\u4e00\u7dd2\u306b\u4fdd\u7ba1\u3057\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n<p><span style=\"font-size: 12px; color: #808080;\">\uff0amicroSD\u30ab\u30fc\u30c9\u306f\u5225\u58f2\u308a\u3067\u3059\u3002\u5168\u3066\u306emicroSD\u30ab\u30fc\u30c9\u306e\u52d5\u4f5c\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/span><\/p>\n<p><span style=\"font-size: 12px; color: #808080;\">\uff0a\u5168\u3066\u306eBluetooth\u6a5f\u5668\u306e\u52d5\u4f5c\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/span><\/p>\n<p><span style=\"font-size: 12px; color: #808080;\">\uff0aUSB-DAC\u6a5f\u80fd\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u5225\u9014\u97f3\u697d\u518d\u751f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u5fc5\u8981\u3067\u3059\u3002\u5168\u3066\u306e\u63a5\u7d9a\u6a5f\u5668\u3068\u306e\u52d5\u4f5c\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/span><\/p>\n<p><span style=\"font-size: 12px; color: #808080;\">\uff0aUSB\u30aa\u30fc\u30c7\u30a3\u30aa\u51fa\u529b\u3092\u4f7f\u7528\u6642\u3001\u5168\u3066\u306e\u63a5\u7d9a\u6a5f\u5668\u3068\u306e\u52d5\u4f5c\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/span><\/p>\n<p><span style=\"font-size: 12px; color: #808080;\">\uff0a\u672c\u88fd\u54c1\u306fMTP\u63a5\u7d9a\u3067\u3059\u3002Mac PC\u3092\u3054\u4f7f\u7528\u306e\u5834\u5408\u306f\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u30bd\u30d5\u30c8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-size: 12px; color: #808080;\">\uff0a\u30aa\u30fc\u30c7\u30a3\u30aa\u6e2c\u5b9a\u306fNomal Mode\u6642\u306b\u57fa\u3065\u304d\u307e\u3059\u3002\u30aa\u30fc\u30c8\u30df\u30e5\u30fc\u30c8\u306f\u4f7f\u7528\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/span><\/p>\n<p><span style=\"font-size: 12px; color: #808080;\">\uff0a\u4e0a\u8a18\u4ed5\u69d8\u306f2025\u5e748\u6708\u73fe\u5728\u306e\u60c5\u5831\u306b\u57fa\u3065\u304d\u307e\u3059\u3002\u54c1\u8cea\u306e\u5411\u4e0a\u306e\u305f\u3081\u4e88\u544a\u7121\u304f\u5909\u66f4\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3054\u4e86\u627f\u9858\u3044\u307e\u3059\u3002<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2>\u3010A&amp;ultima SP4000 Case Black\u3011\u4e3b\u306a\u7279\u5fb4<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1528510 size-medium\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/8800309909132-03-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/8800309909132-03-300x300.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/8800309909132-03-150x150.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/8800309909132-03-180x180.jpg 180w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/8800309909132-03.jpg 700w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1528509 size-medium\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/8800309909132-04-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/8800309909132-04-300x300.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/8800309909132-04-150x150.jpg 150w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/8800309909132-04-180x180.jpg 180w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/8800309909132-04.jpg 700w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>A&amp;ultima SP4000 Case\u306f\u3001\u30d7\u30ec\u30fc\u30e4\u30fc\u5168\u4f53\u3092\u5305\u307f\u8fbc\u3080\u30d5\u30eb\u30ac\u30fc\u30c9\u30bf\u30a4\u30d7\u3092\u63a1\u7528\u3057\u3001\u672c\u4f53\u3092\u3057\u3063\u304b\u308a\u3068\u4fdd\u8b77\u3059\u308b\u3068\u540c\u6642\u306b\u30c7\u30b6\u30a4\u30f3\u6027\u3068\u7f8e\u3057\u3055\u3092\u517c\u306d\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306bSP4000\u30d0\u30f3\u30c9\u30eb\u306e\u30b1\u30fc\u30b9\u3068\u306f\u7570\u306a\u308a\u3001\u30b9\u30bf\u30f3\u30c9\u6a5f\u80fd\u3092\u6709\u3057\u3001\u4f7f\u3044\u52dd\u624b\u3092\u5411\u4e0a\u3055\u305b\u307e\u3057\u305f\u3002<\/p>\n<p>\u30b1\u30fc\u30b9\u306f\u30d7\u30ec\u30fc\u30e4\u30fc\u5168\u4f53\u3092\u5305\u307f\u8fbc\u307f\u3001\u512a\u308c\u305f\u4fdd\u8b77\u6027\u3068\u512a\u308c\u305f\u30b0\u30ea\u30c3\u30d7\u611f\u3068\u30d5\u30a3\u30c3\u30c8\u611f\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>\u7d20\u6750\u306b\u306f\u3001\u30d5\u30e9\u30c3\u30b0\u30b7\u30c3\u30d7\u3067\u3042\u308bA&amp;ultima SP4000\u306e\u30b9\u30bf\u30a4\u30eb\u306b\u30de\u30c3\u30c1\u3059\u308b\u3001\u512a\u308c\u305f\u30af\u30e9\u30d5\u30c8\u30de\u30f3\u30b7\u30c3\u30d7\u3092\u8a87\u308bGRUPPO MASTROTTO\uff08\u30b0\u30eb\u30c3\u30dd\u30fb\u30de\u30b9\u30c8\u30ed\u30c3\u30c8\uff09\u793e\u306e\u4e0a\u8cea\u306a\u725b\u9769\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30bd\u30d5\u30c8\u306a\u624b\u89e6\u308a\u304c\u7279\u5fb4\u306e\u3053\u306e\u30ec\u30b6\u30fc\u30b1\u30fc\u30b9\u306f\u3001\u9769\u672c\u6765\u306e\u30b7\u30ef\u3084\u30b7\u30dc\u3092\u6d3b\u304b\u3057\u306a\u304c\u3089\u3001\u5fc3\u5730\u3088\u3044\u624b\u89e6\u308a\u3068\u512a\u308c\u305f\u30b0\u30ea\u30c3\u30d7\u611f\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5185\u90e8\u306f\u30bd\u30d5\u30c8\u306a\u30de\u30a4\u30af\u30ed\u30d5\u30a1\u30a4\u30d0\u30fc\u7d20\u6750\u3067\u4ed5\u4e0a\u3052\u3089\u308c\u3001\u88fd\u54c1\u3092\u6ed1\u3089\u304b\u306b\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/p>\n<p>\u30b1\u30fc\u30b9\u306e\u5074\u9762\u306f\u88fd\u54c1\u306e\u5f62\u72b6\u3092\u6b63\u78ba\u306b\u8868\u73fe\u3057\u3001\u300c\u5149\u306e\u6ef2\u307f\u51fa\u3057\u300d\u3068\u3044\u3046\u30c7\u30b6\u30a4\u30f3\u30b3\u30f3\u30bb\u30d7\u30c8\u3092\u8868\u73fe\u3057\u3066\u304a\u308a\u3001\u30d7\u30ec\u30fc\u30e4\u30fc\u3068\u30b1\u30fc\u30b9\u306e\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u7d71\u5408\u3068\u4e00\u4f53\u611f\u3092\u8868\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>GRUPPO MASTROTTO\u306f\u30011958\u5e74\u306b\u30de\u30b9\u30c8\u30ed\u30c3\u30c8\u5bb6\u304c\u30a4\u30bf\u30ea\u30a2\u306e\u30a2\u30eb\u30c4\u30a3\u30cb\u30e3\u30fc\u30ce\u306b\u300c\u30b3\u30f3\u30c4\u30a7\u30ea\u30a2\u30fb\u30de\u30b9\u30c8\u30ed\u30c3\u30c8\u300d\u3092\u8a2d\u7acb\u3057\u3066\u4ee5\u6765\u300160\u5e74\u4ee5\u4e0a\u306e\u4f1d\u7d71\u3092\u53d7\u3051\u7d99\u3050\u76ae\u9769\u5c02\u9580\u30e1\u30fc\u30ab\u30fc\u3067\u3059\u3002<\/p>\n<p>\u4e16\u754c\u4e2d\u306b2,200\u4eba\u4ee5\u4e0a\u306e\u5f93\u696d\u54e1\u3092\u64c1\u3057\u300115\u306e\u5de5\u5834\u306718\u306e\u53b3\u683c\u306a\u5de5\u7a0b\u3092\u7d4c\u3066\u9ad8\u54c1\u8cea\u306e\u30ec\u30b6\u30fc\u3092\u751f\u7523\u3057\u3066\u3044\u307e\u3059\u3002\u76ae\u9769\u7523\u696d\u306b\u304a\u3044\u3066\u30a4\u30bf\u30ea\u30a2\u3067\u6700\u3082\u6a29\u5a01\u3042\u308b\u30b0\u30eb\u30fc\u30d7\u306e\u3072\u3068\u3064\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h4>\u4e3b\u306a\u4ed5\u69d8<\/h4>\n<p>\u30ab\u30e9\u30fc\uff1aBlack<\/p>\n<p>\u751f\u7523\u56fd\uff1a\u97d3\u56fd<\/p>\n<p>\u30e1\u30fc\u30ab\u30fc\u4fdd\u8a3c\uff1a90\u65e5<\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<p>\u3068\u306e\u3053\u3068\uff01\uff01<\/p>\n<p>&nbsp;<\/p>\n<p>\u3064\u3044\u306b\u51fa\u307e\u3057\u305f\u3001Astell&amp;Kern\u306e\u30cf\u30a4\u30a8\u30f3\u30c9DAP\uff01\u5fc3\u5f85\u3061\u306b\u3057\u3066\u3044\u305f\u65b9\u3082\u591a\u3044\u3093\u3058\u3083\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u3060\u3051\u3069\u300c\u3067\u3082\u306a\u3041\uff5e\u2026\u2026\u4fa1\u683c\u304c\u306a\u3041\uff5e\uff5e\u2026\u2026\u300d\u3068\u5fa1\u601d\u3044\u306e\u65b9\u3082\u3044\u3089\u3063\u3057\u3083\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f\uff1f<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1528438 size-full\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/10ca7e71a72eaf079f4ef6c2f154265d.jpg\" alt=\"\" width=\"640\" height=\"453\" srcset=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/10ca7e71a72eaf079f4ef6c2f154265d.jpg 640w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/10ca7e71a72eaf079f4ef6c2f154265d-300x212.jpg 300w, https:\/\/e-earphone.blog\/wp-content\/uploads\/2025\/08\/10ca7e71a72eaf079f4ef6c2f154265d-150x106.jpg 150w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u3042\u308c\uff01\uff1f\u3053\u308c\u306f\u306a\u3093\u3060\uff01\uff1f\u308f\u3042\u30a1\u30a1\u30a1\u30a2\u30c3\u30c3\uff01\uff01\uff1f\uff1f<strong><span style=\"font-size: 20px;\">\u8cb7\u3044\u66ff\u3048\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3060\u3042\u30a1\u30a1\u30a2\uff01\uff01<\/span><\/strong><\/p>\n<p>\u3068\u3044\u3046\u308f\u3051\u3067\u3084\u308a\u307e\u3059\uff01<\/p>\n<p>\u8a73\u3057\u304f\u306f\u5546\u54c1\u30da\u30fc\u30b8\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\uff01\u307f\u3093\u306a\u3067\u304a\u5f97\u306b\u30cf\u30a4\u30a8\u30f3\u30c9\u266a<\/p>\n<p>&nbsp;<\/p>\n<p>\u3068\u3001\u3044\u3046\u308f\u3051\u3067\uff01\u3053\u3053\u307e\u3067\u8aad\u3093\u3067\u3044\u305f\u3060\u304d\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\uff01\u3086\uff5e\u3061\u3083\u3093\u3067\u3057\u305f\uff01<\/p>\n<p>\u6700\u5f8c\u306b\u6539\u3081\u3066\u4fa1\u683c\u3068\u767a\u58f2\u6642\u671f\u306e\u304a\u77e5\u3089\u305b\u3067\u3059\uff01<\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"text-decoration: underline;\"><span style=\"color: #ff00ff; text-decoration: underline;\"><a style=\"color: #ff00ff; text-decoration: underline;\" href=\"https:\/\/www.e-earphone.jp\/products\/614385\">\u25bcAstell&amp;Kern\u3010A&amp;ultima SP4000\u3011\u3000e\u2606\u30a4\u30e4\u30db\u30f3 \u30aa\u30f3\u30e9\u30a4\u30f3\u30b9\u30c8\u30a2\u4fa1\u683c \u00a5623,700-(\u7a0e\u8fbc)\u00a0<\/a><\/span><\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"text-decoration: underline;\"><strong><span style=\"color: #ff00ff;\"><a style=\"color: #ff00ff; text-decoration: underline;\" href=\"https:\/\/www.e-earphone.jp\/products\/614681\">\u25bcAstell&amp;Kern\u3010SP4000 Case Black\u3011\u3000e\u2606\u30a4\u30e4\u30db\u30f3 \u30aa\u30f3\u30e9\u30a4\u30f3\u30b9\u30c8\u30a2\u4fa1\u683c \u00a522,770-(\u7a0e\u8fbc)\u00a0<\/a><\/span><\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #ff9900;\"><span style=\"font-size: 20px;\">e\u2606\u30a4\u30e4\u30db\u30f3\u5168\u5e97\u306b\u3066<\/span><span style=\"font-size: 24px;\">\u53d6\u308a\u6271\u3044<\/span><span style=\"font-size: 24px;\">\u4e88\u5b9a\uff01<\/span><\/span><\/strong><span style=\"color: #808080;\"><span style=\"font-size: 24px;\"><span style=\"font-size: 14px;\">\u203b\u30b2\u30fc\u30df\u30f3\u30b0AKIBA\u306f\u9664\u304f<\/span><\/span><\/span><strong><span style=\"color: #ff0000;\"><br \/>\n<span style=\"font-size: 20px;\">\u8a66\u8074\u6a5f\u5c55\u793a\u306f\u672c\u65e58\u67081\u65e5\u304b\u3089\u958b\u59cb<\/span><span style=\"font-size: 16px;\">\u3057\u3066\u307e\u3059\u306e\u3067\u3001<\/span>\u305c\u3072\u3054\u6765\u5e97\u306e\u4e0a\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\uff01\uff01<\/span><\/strong><strong><span style=\"color: #ff0000;\"><br \/>\n<\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #ff0000;\"><span style=\"font-size: 20px;\">\uff3c2025\u5e748\u670816\u65e5<span style=\"font-size: 16px;\">\u306b<\/span>\u767a\u58f2\uff0f<br \/>\n<\/span><\/span>\u3067\u3059\u304b\u3089\u306d\u3047\uff5e\uff5e\uff5e\uff5e\uff5e\uff01\uff01\uff01\uff01\uff01\uff01\uff01<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>\u6700\u5f8c\u307e\u3067\u3054\u89a7\u3044\u305f\u3060\u304d\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\uff01<br \/>\n\u4ee5\u4e0aPR\u30b9\u30bf\u30c3\u30d5\u304c\u304a\u9001\u308a\u3057\u307e\u3057\u305f\uff01<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: right;\">\u203b\u8a18\u4e8b\u4e2d\u306e\u5546\u54c1\u4fa1\u683c\u30fb\u60c5\u5831\u306f\u63b2\u8f09\u5f53\u6642\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Astell&amp;Kern\u3088\u308a\u30d5\u30e9\u30c3\u30b0\u30b7\u30c3\u30d7\u6a5f\u300eA&amp;ultima S<\/p>\n","protected":false},"author":337,"featured_media":1528441,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,12],"tags":[],"_links":{"self":[{"href":"https:\/\/e-earphone.blog\/index.php?rest_route=\/wp\/v2\/posts\/1528329"}],"collection":[{"href":"https:\/\/e-earphone.blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/e-earphone.blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/e-earphone.blog\/index.php?rest_route=\/wp\/v2\/users\/337"}],"replies":[{"embeddable":true,"href":"https:\/\/e-earphone.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1528329"}],"version-history":[{"count":41,"href":"https:\/\/e-earphone.blog\/index.php?rest_route=\/wp\/v2\/posts\/1528329\/revisions"}],"predecessor-version":[{"id":1530382,"href":"https:\/\/e-earphone.blog\/index.php?rest_route=\/wp\/v2\/posts\/1528329\/revisions\/1530382"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/e-earphone.blog\/index.php?rest_route=\/wp\/v2\/media\/1528441"}],"wp:attachment":[{"href":"https:\/\/e-earphone.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1528329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/e-earphone.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1528329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/e-earphone.blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1528329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}