{"id":417,"date":"2024-04-19T07:11:35","date_gmt":"2024-04-19T07:11:35","guid":{"rendered":"https:\/\/ecmicrophones.com\/?post_type=product&#038;p=417"},"modified":"2026-03-19T15:48:22","modified_gmt":"2026-03-19T07:48:22","slug":"4mm-omnidirectional-electret-microphone-insert-for-hearing-aid","status":"publish","type":"product","link":"https:\/\/ecmicrophones.com\/ja\/4mm-omnidirectional-electret-microphone-insert-for-hearing-aid\/","title":{"rendered":"\u88dc\u8074\u5668\u75284mm\u5168\u65b9\u5411\u6027\u30a8\u30ec\u30af\u30c8\u30ec\u30c3\u30c8\u30de\u30a4\u30af\u30a4\u30f3\u30b5\u30fc\u30c8"},"content":{"rendered":"<h2 class=\"text-start\">\u6280\u8853\u4ed5\u69d8<\/h2>\n<p class=\"text-start\">\u88dc\u8074\u5668\u3084\u30e9\u30da\u30eb\u30de\u30a4\u30af\u7528\u306b\u8a2d\u8a08\u3055\u308c\u305f\u5f53\u793e\u306e 4015 \u5168\u65b9\u5411\u6027\u30de\u30a4\u30af \u30d8\u30c3\u30c9\u306f\u3001\u30cf\u30a4\u30a8\u30f3\u30c9 JFET 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https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/standard-test-circuit_ecm-b4015aml39-733-18x8.png 18w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/p>\n<p>15k\u03a9\u8ca0\u8377\u62b5\u6297\u30012V DC\u96fb\u6e90\u30011\u03bcF\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0\u30fb\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u3067\u30c6\u30b9\u30c8\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\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/typical-frequency-response_ecm-b4015aml39-733.png\" alt=\"ECM-B4015AML39-733 \u5468\u6ce2\u6570\u5fdc\u7b54\u66f2\u7dda\" width=\"397\" height=\"284\" class=\"alignnone size-full wp-image-419\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/typical-frequency-response_ecm-b4015aml39-733.png 397w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/typical-frequency-response_ecm-b4015aml39-733-300x215.png 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srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/appearance-dimension_ecm-b4015aml39-733.png 450w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/appearance-dimension_ecm-b4015aml39-733-300x227.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/04\/appearance-dimension_ecm-b4015aml39-733-16x12.png 16w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/p>\n<p>\u03a64\u00d71.5mm\u306e\u8d85\u5c0f\u578b\u30ab\u30d7\u30bb\u30eb\u3067\u3001\u524d\u9762\u306f\u9632\u5875\u30e1\u30c3\u30b7\u30e5\u3001\u80cc\u9762\u306f\u5bc6\u9589\u69cb\u9020\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>ECM-B4015AML39-733 \u306f\u3001\u9ad8\u54c1\u8cea\u306e\u88dc\u8074\u5668\u3084\u30e9\u30da\u30eb\u30de\u30a4\u30af\u306b\u9069\u3057\u305f 4 \u00d7 1.5 mm \u306e\u5168\u65b9\u5411\u6027\u30de\u30a4\u30af \u30ab\u30d7\u30bb\u30eb\u3067\u3059\u3002\u611f\u5ea6\u306f -39dB\u00b12\u3001\u4fe1\u53f7\u5bfe\u96d1\u97f3\u6bd4\u306f 74dB 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