{"id":487,"date":"2024-04-30T01:32:26","date_gmt":"2024-04-30T01:32:26","guid":{"rendered":"https:\/\/ecmicrophones.com\/?post_type=product&#038;p=487"},"modified":"2026-03-19T15:49:17","modified_gmt":"2026-03-19T07:49:17","slug":"miniature-electret-microphone-for-bluetooth-earphones","status":"publish","type":"product","link":"https:\/\/ecmicrophones.com\/ja\/miniature-electret-microphone-for-bluetooth-earphones\/","title":{"rendered":"Bluetooth\u30a4\u30e4\u30db\u30f3\u7528\u5c0f\u578b\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30de\u30a4\u30af"},"content":{"rendered":"<h2 class=\"text-start\">\u6280\u8853\u4ed5\u69d8<\/h2>\n<p class=\"text-start\">ECM-B3015AL-42\u306f\u3001Bluetooth\u30a4\u30e4\u30db\u30f3\u306e\u3088\u3046\u306a\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u30c7\u30d0\u30a4\u30b9\u7528\u306b\u8a2d\u8a08\u3055\u308c\u305f3mm\u306e\u7121\u6307\u5411\u6027\u30de\u30a4\u30af\u30ab\u30d7\u30bb\u30eb\u3067\u3059\u3002\u97d3\u56fd\u88fd\u306e\u30ab\u30b9\u30bf\u30e0\u30de\u30a4\u30af\u30b3\u30a2\u3068\u30c7\u30e5\u30a2\u30eb\u30b3\u30f3\u30c7\u30f3\u30b5\u306b\u3088\u308b\u8010\u5e72\u6e09\u6027\u3092\u5099\u3048\u3001\u53b3\u3057\u3044\u74b0\u5883\u4e0b\u3067\u3082\u30af\u30ea\u30a2\u3067\u5b89\u5b9a\u3057\u305f\u30aa\u30fc\u30c7\u30a3\u30aa\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n<p 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href=\"https:\/\/ecmicrophones.com\/ja\/3mm-electret-microphone-element-with-leads-for-bluetooth-headsets\/\">ECM-B3015AL-42-L25<\/a>).\u306f\u3093\u3060\u4ed8\u3051\u306a\u3069\u306e\u8ffd\u52a0\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u7279\u5b9a\u306e\u304a\u5ba2\u69d8\u306e\u30cb\u30fc\u30ba\u306b\u3082\u5bfe\u5fdc\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n<h3 class=\"pt-5 text-start\">\u6a19\u6e96\u30c6\u30b9\u30c8\u56de\u8def<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-488\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/standard-test-circuit_ecm-b3015al-42.png\" alt=\"ECM-B3015AL-42 \u30c6\u30b9\u30c8\u56de\u8def\uff1a2.2k\u03a9\u30d0\u30a4\u30a2\u30b9\u30012V\u96fb\u6e90\u30011\u03bcF\u51fa\u529b\" width=\"461\" height=\"206\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/standard-test-circuit_ecm-b3015al-42.png 461w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/standard-test-circuit_ecm-b3015al-42-300x134.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/standard-test-circuit_ecm-b3015al-42-18x8.png 18w\" sizes=\"auto, (max-width: 461px) 100vw, 461px\" \/><\/p>\n<p>2.2k\u03a9\u30d0\u30a4\u30a2\u30b9\u62b5\u6297\u30012V DC\u96fb\u6e90\u30011\u03bcF\u51fa\u529b\u30b3\u30f3\u30c7\u30f3\u30b5\u3002\u5c0f\u578b\u97f3\u58f0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u7528\u306b\u6700\u9069\u5316\u3002<\/p>\n<h3 class=\"pt-5 text-start\">\u5178\u578b\u7684\u306a\u5468\u6ce2\u6570\u5fdc\u7b54<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-490\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/typical-frequency-response_ecm-b3015al-42.png\" alt=\"ECM-B3015AL-42 \u5468\u6ce2\u6570\u7279\u6027\uff1a\u30d5\u30e9\u30c3\u30c8\u30fb\u30ec\u30b9\u30dd\u30f3\u30b9\u30015kHz\u30c7\u30a3\u30c3\u30d7\u300112kHz-20kHz\u30ea\u30d5\u30c8\" width=\"397\" height=\"284\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/typical-frequency-response_ecm-b3015al-42.png 397w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/typical-frequency-response_ecm-b3015al-42-300x215.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/typical-frequency-response_ecm-b3015al-42-18x12.png 18w\" sizes=\"auto, (max-width: 397px) 100vw, 397px\" \/><\/p>\n<p>\u30d5\u30e9\u30c3\u30c8\u306a\u30ec\u30b9\u30dd\u30f3\u30b9\u3068\u9069\u5ea6\u306a5kHz\u306e\u6e1b\u8870\u3001\u4f38\u3073\u306e\u3042\u308b\u9ad8\u57df\u30ea\u30d5\u30c8\uff0812kHz-20kHz\uff09\u3002<\/p>\n<h3 class=\"pt-5 text-start\">\u5bf8\u6cd5\uff08\u5358\u4f4d\uff1amm\uff09<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3052\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/appearance-dimension_ecm-b3015al-42-1.png\" alt=\"ECM-B3015AL-42 \u5bf8\u6cd5\u56f3\u03a63\u00d71.5mm\u8d85\u5c0f\u578b\u30c0\u30b9\u30c8\u30e1\u30c3\u30b7\u30e5\u4ed8\" width=\"480\" height=\"320\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/appearance-dimension_ecm-b3015al-42-1.png 480w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/appearance-dimension_ecm-b3015al-42-1-300x200.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/appearance-dimension_ecm-b3015al-42-1-18x12.png 18w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" 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