{"id":1554801,"date":"2026-10-09T11:00:34","date_gmt":"2026-10-09T02:00:34","guid":{"rendered":"https:\/\/e-earphone.blog\/?p=1554801"},"modified":"2026-10-05T13:41:22","modified_gmt":"2026-10-05T04:41:22","slug":"%e3%80%9010-17%e7%99%ba%e5%a3%b2%e3%80%91astellkern%e3%81%8b%e3%82%89%e5%be%93%e6%9d%a5%e3%81%aesp4000t%e3%81%ae%e3%83%8f%e3%82%a6%e3%82%b8%e3%83%b3%e3%82%b0%e3%81%ab%e9%8a%85%e3%82%92%e6%8e%a1","status":"publish","type":"post","link":"https:\/\/e-earphone.blog\/?p=1554801","title":{"rendered":"\u301010\/17\u767a\u58f2\u3011Astell&#038;Kern\u304b\u3089\u5f93\u6765\u306eSP4000T\u306e\u30cf\u30a6\u30b8\u30f3\u30b0\u306b\u9285\u3092\u63a1\u7528\u3057\u305f SP4000T Copper \u304c\u767b\u5834\uff01"},"content":{"rendered":"<p style=\"text-align: center;\">SP4000T\u306e\u30cf\u30a6\u30b8\u30f3\u30b0\u7d20\u6750\u306b\u7d14\u5ea699.98%\u306e\u9285\u3092\u63a1\u7528\u3057\u305f\u30ea\u30df\u30c6\u30c3\u30c9\u30e2\u30c7\u30eb\u00a0<\/p>\n<hr \/>\n<p>\u3053\u3093\u306b\u3061\u306f\uff01e\u2606\u30a4\u30e4\u30db\u30f3\u306ePR\u30b9\u30bf\u30c3\u30d5\u3067\u3059\uff01<\/p>\n<p>\u4eca\u56de\u306fAstell&amp;Kern\u304b\u3089\u306e\u65b0\u88fd\u54c1\u306e\u3054\u7d39\u4ecb\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>Astell&amp;Kern A&amp;ultima SP4000T Copper<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1554803\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2026\/10\/8800309901358-01-e1791173003863.jpg\" alt=\"\" width=\"640\" height=\"640\" \/><\/p>\n<p><a href=\"https:\/\/www.e-earphone.jp\/products\/784578\" target=\"_blank\" rel=\"noopener\"><span style=\"font-size: 14px;\"><strong><span style=\"color: #ff00ff;\">\u25bcAstell&amp;Kern A&amp;ultima SP4000T Copper\u3000 e\u2606\u30a4\u30e4\u30db\u30f3 \u30aa\u30f3\u30e9\u30a4\u30f3\u30b9\u30c8\u30a2\u4fa1\u683c\uffe5623,700- (\u7a0e\u8fbc)<\/span><\/strong><\/span><\/a><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><span style=\"color: #339966; font-size: 24px;\"><strong><span style=\"color: #ff0000;\">2026\u5e7410\u670817\u65e5\u767a\u58f2\uff01<\/span><\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u3010\u771f\u7a7a\u7ba1\u7279\u6709\u306e\u60c5\u611f\u3092\u3088\u308a\u6df1\u304f\u3011\u30cf\u30a6\u30b8\u30f3\u30b0\u7d20\u6750\u306b\u300c\u9285\u300d\u3092\u63a1\u7528\u3057\u305f\u30ea\u30df\u30c6\u30c3\u30c9\u30e2\u30c7\u30eb<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1554805\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2026\/10\/detail_astell-and-kern_sp4000t-copper_1-e1791173177810.jpg\" alt=\"\" width=\"640\" height=\"640\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u300eA&amp;ultima SP4000T Copper\u300f\u306f\u3001\u5358\u306a\u308b\u30cf\u30a4\u30a8\u30f3\u30c9\u30fb\u30dd\u30fc\u30bf\u30d6\u30eb\u30aa\u30fc\u30c7\u30a3\u30aa\u30d7\u30ec\u30a4\u30e4\u30fc\u306e\u67a0\u306b\u3068\u3069\u307e\u308a\u307e\u305b\u3093\u3002Astell&amp;Kern\u304c\u2fa7\u5e74\u306b\u308f\u305f\u308a\u57f9\u3063\u3066\u304d\u305f\u3001\u30cf\u30a6\u30b8\u30f3\u30b0\u7d20\u6750\u3068\u3057\u3066\u306e\u591a\u69d8\u306a\u91d1\u5c5e\u306b\u5bfe\u3059\u308b\u6df1\u3044\u7406\u89e3\u3001\u7cbe\u5bc6\u306a\u52a0\u5de5\u6280\u8853\u3001\u305d\u3057\u3066\u771f\u7a7a\u7ba1\u3092\u7528\u3044\u305f\u30a2\u30ca\u30ed\u30b0\u30b5\u30a6\u30f3\u30c9\u306e\u54f2\u5b66\u306e\u771f\u306e\u7d50\u6676\u3067\u3059\u3002\u5358\u306a\u308b\u7d20\u6750\u306e\u5909\u66f4\u3067\u306f\u306a\u304f\u3001\u7d20\u6750\u306e\u9078\u5b9a\u304b\u3089\u30b5\u30a6\u30f3\u30c9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306b\u81f3\u308b\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u6709\u6a5f\u7684\u306b\u7d50\u3073\u3064\u304d\u3001SP4000T\u304c\u76ee\u6307\u3059\u30b5\u30a6\u30f3\u30c9\u3092\u7406\u60f3\u7684\u306b\u5177\u73fe\u5316\u3057\u305f\u30ea\u30df\u30c6\u30c3\u30c9\u30e2\u30c7\u30eb\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>SP4000T \u306b\u65b0\u305f\u306a\u4fa1\u5024\u3092\u52a0\u3048\u308b\u3079\u304f\u3001\u512a\u308c\u305f\u5c0e\u96fb\u6027\u3068\u30b7\u30fc\u30eb\u30c9\u6027\u80fd\u3092\u6301\u3064\u300c\u9285\u300d\u3092\u30cf\u30a6\u30b8\u30f3\u30b0\u306b\u63a1\u7528\u3057\u3001\u30aa\u30ea\u30b8\u30ca\u30eb\u3068\u306f\u7570\u306a\u308b\u771f\u7a7a\u7ba1\u7279\u6709\u306e\u60c5\u611f\u3092\u3088\u308a\u6df1\u304f\u6349\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\n\u9285\u306f\u512a\u308c\u305f\u5c0e\u96fb\u6027\u306b\u3088\u308a\u5fae\u7d30\u306a\u4fe1\u53f7\u640d\u5931\u3092\u6291\u3048\u3001\u5353\u8d8a\u3057\u305f\u96fb\u78c1\u30b7\u30fc\u30eb\u30c9\u7279\u6027\u306b\u3088\u3063\u3066\u5916\u90e8\u30ce\u30a4\u30ba\u304b\u3089\u30b5\u30a6\u30f3\u30c9\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u9285\u306a\u3089\u3067\u306f\u306e\u8c4a\u304b\u306a\u5171\u9cf4\u304c\u52a0\u308f\u308b\u3053\u3068\u3067\u30014\u57fa\u306e\u771f\u7a7a\u7ba1\u304c\u751f\u307f\u51fa\u3059\u6e29\u304b\u307f\u306e\u3042\u308b\u30a2\u30ca\u30ed\u30b0\u30cf\u30fc\u30e2\u30cb\u30fc\u306b\u81ea\u7136\u306a\u5965\u884c\u304d\u304c\u3082\u305f\u3089\u3055\u308c\u307e\u3059\u3002\u771f\u7a7a\u7ba1\u306e\u30a2\u30ca\u30ed\u30b0\u306a\u60c5\u611f\u3068\u9285\u304c\u878d\u5408\u3057\u4e92\u3044\u306e\u5f37\u307f\u3092\u6700\u5927\u9650\u306b\u5f15\u304d\u51fa\u3059\u3053\u3068\u3067\u3001SP4000T Copper\u3060\u3051\u306e\u552f\u4e00\u7121\u4e8c\u306e\u30b5\u30a6\u30f3\u30c9\u304c\u5b8c\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u7406\u8ad6\u4e0a\u3001\u9285\u306f\u30aa\u30fc\u30c7\u30a3\u30aa\u7528\u9014\u306b\u304a\u3044\u3066\u6700\u3082\u7406\u60f3\u7684\u306a\u7d20\u6750\u306e\u4e00\u3064\u3067\u3059\u304c\u3001\u5b9f\u969b\u306e\u88fd\u54c1\u306b\u5fdc\u7528\u3059\u308b\u306b\u306f\u975e\u5e38\u306b\u6271\u3044\u306e\u96e3\u3057\u3044\u91d1\u5c5e\u3067\u3059\u3002\u7a7a\u6c17\u306b\u89e6\u308c\u308b\u3068\u6025\u901f\u306b\u9178\u5316\u3057\u8868\u9762\u306e\u5b89\u5b9a\u6027\u304c\u4f4e\u3044\u305f\u3081\u3001\u3055\u307e\u3056\u307e\u306a\u74b0\u5883\u306b\u3055\u3089\u3055\u308c\u308b\u30dd\u30fc\u30bf\u30d6\u30eb\u6a5f\u5668\u306b\u304a\u3044\u3066\u306f\u306a\u304a\u3055\u3089\u5927\u304d\u306a\u6311\u6226\u3068\u306a\u308a\u307e\u3059\u3002\u2fa7\u5e74\u306b\u308f\u305f\u308a\u57f9\u3063\u305f\u7d20\u6750\u52a0\u5de5\u3078\u306e\u6df1\u3044\u7406\u89e3\u306b\u57fa\u3065\u304d\u3001Astell&amp;Kern \u306f\u9ad8\u7d14\u5ea6\uff0899.98%\u4ee5\u4e0a\uff09\u306e\u7d20\u5730\u306e\u9285\u7d20\u6750\u306b\u7279\u6b8a\u306a\u591a\u5c64\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30bb\u30b9\u3092\u65bd\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u308a\u9178\u5316\u3084\u5909\u8272\u304c\u6291\u3048\u3089\u308c\u3001\u7279\u5225\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306a\u3057\u3067\u6df1\u307f\u306e\u3042\u308b\u8272\u5408\u3044\u3068\u7e4a\u7d30\u306a\u5149\u6ca2\u304c\u2fa7\u304f\u7dad\u6301\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u5916\u89b3\u306f\u3001\u5358\u306b\u7d20\u6750\u3092\u9069\u7528\u3057\u305f\u3060\u3051\u306b\u3068\u3069\u307e\u308a\u307e\u305b\u3093\u3002\u9ad8\u7d14\u5ea6\u306a\u9285\u306f\u3001\u5fae\u7d30\u306a\u5909\u5f62\u3092\u8d77\u3053\u3055\u305a\u306b\u52a0\u5de5\u3059\u308b\u3053\u3068\u304c\u6975\u3081\u3066\u56f0\u96e3\u3067\u3059\u3002\u2fa7\u5e74\u306e\u7cbe\u5bc6\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u5c02\u9580\u77e5\u8b58\u3092\u6d3b\u304b\u3057\u3001\u53b3\u683c\u306a\u516c\u5dee\u3092\u6975\u3081\u308b\u3053\u3068\u3067SP4000T Copper\u3092\u5b8c\u6210\u3055\u305b\u307e\u3057\u305f\u3002\u6642\u3092\u7d4c\u308b\u3054\u3068\u306b\u7f8e\u3057\u3055\u304c\u6df1\u307e\u308a\u3001\u6027\u80fd\u3092\u9065\u304b\u306b\u8d85\u3048\u305f\u8272\u892a\u305b\u306a\u3044\u4fa1\u5024\u3092\u6301\u3064\u88fd\u54c1\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n[Reimagine Analog Sound] SP4000T Copper \u306f\u3001\u7d14\u7c8b\u306a\u539f\u97f3\u306e\u672c\u8cea\u3068\u30a2\u30ca\u30ed\u30b0\u306e\u6e29\u3082\u308a\u3092\u7406\u89e3\u3059\u308b\u65b9\u3005\u306e\u305f\u3081\u306b\u751f\u307e\u308c\u307e\u3057\u305f\u3002SP4000T Copper\u304c\u3082\u305f\u3089\u3059\u3001\u97f3\u697d\u306e\u67a0\u3092\u8d85\u3048\u305f\u6df1\u3044\u611f\u52d5\u3092\u305c\u3072\u3054\u4f53\u611f\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u00a0Astell&amp;Kern A&amp;ultima SP4000T Copper \u4e3b\u306a\u30b9\u30da\u30c3\u30af<\/h3>\n<table width=\"471\">\n<tbody>\n<tr>\n<td width=\"113\">\u30ab\u30e9\u30fc<\/td>\n<td width=\"358\">Copper<\/td>\n<\/tr>\n<tr>\n<td>\u672c\u4f53\u7d20\u6750<\/td>\n<td width=\"358\">\u9285\uff08\u7d14\u5ea699.98%\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4<\/td>\n<td width=\"358\">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>85.7mm \u00d7 150mm \u00d7 19.5mm<\/td>\n<\/tr>\n<tr>\n<td>\u91cd\u91cf<\/td>\n<td width=\"358\">\u7d04592g<\/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 width=\"358\">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 width=\"358\">256GB [NAND] <br \/>\n\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 width=\"358\">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\/ax (2.4\/5GHz)<\/td>\n<\/tr>\n<tr>\n<td>Bluetooth<\/td>\n<td width=\"358\">V5.2 (A2DP, AVRCP \/ SBC, AAC, Qualcomm aptX 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\u00d72 + AK4499EX\u00d72 (Dual DAC)<\/td>\n<\/tr>\n<tr>\n<td>\u5bfe\u5fdc\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30ec\u30fc\u30c8<\/td>\n<td width=\"358\">PCM\u6700\u5927\uff1a768KHz (16\/24\/32bit) <br \/>\nDSD\u6700\u5927\uff1aDSD512 (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 width=\"358\">3.5mm 3\u6975\u30a2\u30f3\u30d0\u30e9\u30f3\u30b9 \u51fa\u529b(\u5149\u30c7\u30b8\u30bf\u30eb\u51fa\u529b\u517c\u7528)<br \/>\n4.4mm 5\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 4.2Vrms \/ \u30d0\u30e9\u30f3\u30b9 8Vrms (\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 3.5mm (0.7\u03a9) \/ \u30d0\u30e9\u30f3\u30b9 4.4mm (1.7\u03a9)<\/td>\n<\/tr>\n<tr>\n<td>\u5468\u6ce2\u6570\u7279\u6027<\/td>\n<td width=\"358\">\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>124dB @ 1kHz, \u30a2\u30f3\u30d0\u30e9\u30f3\u30b9 \/ 125dB @ 1kHz, \u30d0\u30e9\u30f3\u30b9<\/td>\n<\/tr>\n<tr>\n<td>\u30af\u30ed\u30b9\u30c8\u30fc\u30af<\/td>\n<td>\u30fc136dB @ 1kHz,\u30a2\u30f3\u30d0\u30e9\u30f3\u30b9 \/ \u30fc145dB @ 1kHz,\u30d0\u30e9\u30f3\u30b9<\/td>\n<\/tr>\n<tr>\n<td>THD+N<\/td>\n<td>0.0006% @ 1kHz, \u30a2\u30f3\u30d0\u30e9\u30f3\u30b9 \/ 0.0004% @ 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>200 fs<\/td>\n<\/tr>\n<tr>\n<td>\u30d0\u30c3\u30c6\u30ea\u30fc<\/td>\n<td>7,450mAh 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 (PD 3.0\u5145\u96fb\u6642)<\/td>\n<\/tr>\n<tr>\n<td>\u518d\u751f\u6642\u9593<\/td>\n<td width=\"358\">\u7d0410\u6642\u9593<br \/>\n(Nomal Mode, FLAC, 44.1KHz\/16bit, Vol.50, LCD\u30aa\u30d5, \u30a2\u30f3\u30d0\u30e9\u30f3\u30b9\u51fa\u529b, LED\u30aa\u30f3, OP\u30a2\u30f3\u30d7)<\/td>\n<\/tr>\n<tr>\n<td>\u4ed8\u5c5e\u54c1<\/td>\n<td width=\"358\">\u25a1SP4000T\u5c02\u7528\u30ec\u30b6\u30fc\u30b1\u30fc\u30b9<br \/>\n\u25a1\u30a4\u30e4\u30db\u30f3\u643a\u5e2f\u7528\u30ec\u30b6\u30fc\u30dd\u30fc\u30c1 <br \/>\n\u25a1USB Type-C to Type-C\u30b1\u30fc\u30d6\u30eb <br \/>\n\u25a1\u753b\u9762\u4fdd\u8b77\u30b7\u30fc\u30c8<br \/>\n\u25a1microSD\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>\u203b\u30e1\u30fc\u30ab\u30fc\u8cc7\u6599\u3088\u308a\u5f15\u7528<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1554803\" src=\"https:\/\/e-earphone.blog\/wp-content\/uploads\/2026\/10\/8800309901358-01-e1791173003863.jpg\" alt=\"\" width=\"640\" height=\"640\" \/><\/p>\n<p><a href=\"https:\/\/www.e-earphone.jp\/products\/784578\" target=\"_blank\" rel=\"noopener\"><span style=\"font-size: 14px;\"><strong><span style=\"color: #ff00ff;\">\u25bcAstell&amp;Kern A&amp;ultima SP4000T Copper\u3000 e\u2606\u30a4\u30e4\u30db\u30f3 \u30aa\u30f3\u30e9\u30a4\u30f3\u30b9\u30c8\u30a2\u4fa1\u683c\uffe5623,700- (\u7a0e\u8fbc)<\/span><\/strong><\/span><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u3053\u3061\u3089\u306e\u88fd\u54c1\u306f\u3001e\u2606\u30a4\u30e4\u30db\u30f3\u306e\u4ee5\u4e0b\u306e\u5e97\u8217\u306b\u3066\u3054\u8a66\u8074\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\n\u30fb\u5927\u962a\u65e5\u672c\u6a4b\u672c\u5e97<\/p>\n<p>\u30fb\u79cb\u8449\u539f\u5e97<\/p>\n<p>\u30fb\u540d\u53e4\u5c4b\u5927\u9808\u5e97<\/p>\n<p>\u30fb\u4ed9\u53f0\u99c5\u524d\u5e97<\/p>\n<p>&nbsp;<\/p>\n<p>\n\u5c55\u793a\u6a5f\u306f10\u67089\u65e5\u3088\u308a\u5148\u884c\u5c55\u793a\u958b\u59cb\u4e88\u5b9a\u3067\u3059\u3002\u307e\u305f\u3001\u5404\u5e97\u304a\u3088\u3073\u30aa\u30f3\u30e9\u30a4\u30f3\u30b9\u30c8\u30a2\u306b\u3066\u5728\u5eab\u3092\u3054\u7528\u610f\u3057\u3066\u304a\u308a\u307e\u3059\u3002<\/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 \u4ee5\u4e0aPR\u30b9\u30bf\u30c3\u30d5\u304c\u304a\u9001\u308a\u3057\u307e\u3057\u305f\uff01<\/p>\n<p>&nbsp;<\/p>\n<p>\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","protected":false},"excerpt":{"rendered":"<p>SP4000T\u306e\u30cf\u30a6\u30b8\u30f3\u30b0\u7d20\u6750\u306b\u7d14\u5ea699.98%\u306e\u9285\u3092\u63a1\u7528\u3057\u305f\u30ea\u30df\u30c6\u30c3\u30c9\u30e2\u30c7\u30eb\u00a0<\/p>\n","protected":false},"author":341,"featured_media":1554807,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,12],"tags":[35,753,5257,50,2662],"_links":{"self":[{"href":"https:\/\/e-earphone.blog\/index.php?rest_route=\/wp\/v2\/posts\/1554801"}],"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\/341"}],"replies":[{"embeddable":true,"href":"https:\/\/e-earphone.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1554801"}],"version-history":[{"count":1,"href":"https:\/\/e-earphone.blog\/index.php?rest_route=\/wp\/v2\/posts\/1554801\/revisions"}],"predecessor-version":[{"id":1554808,"href":"https:\/\/e-earphone.blog\/index.php?rest_route=\/wp\/v2\/posts\/1554801\/revisions\/1554808"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/e-earphone.blog\/index.php?rest_route=\/wp\/v2\/media\/1554807"}],"wp:attachment":[{"href":"https:\/\/e-earphone.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1554801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/e-earphone.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1554801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/e-earphone.blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1554801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}