{"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\/pt\/miniature-electret-microphone-for-bluetooth-earphones\/","title":{"rendered":"Microfone eletreto miniatura para fones de ouvido Bluetooth"},"content":{"rendered":"<h2 class=\"text-start\">Especifica\u00e7\u00f5es t\u00e9cnicas<\/h2>\n<p class=\"text-start\">O ECM-B3015AL-42 \u00e9 uma c\u00e1psula de microfone omnidirecional de 3 mm projetada para dispositivos compactos, como fones de ouvido Bluetooth. Constru\u00edda com um n\u00facleo de microfone coreano personalizado e resist\u00eancia \u00e0 interfer\u00eancia de capacitor duplo, ela oferece desempenho de \u00e1udio n\u00edtido e est\u00e1vel mesmo em ambientes desafiadores.<\/p>\n<p class=\"text-start\">O microfone apresenta uma resposta de frequ\u00eancia suave e equilibrada, o que o torna ideal para v\u00e1rias aplica\u00e7\u00f5es de \u00e1udio. Seu diafragma TOA japon\u00eas premium garante uma opera\u00e7\u00e3o confi\u00e1vel em temperaturas extremas (-40\u2103 a +85\u2103).<\/p>\n<p class=\"text-start\">Para maior comodidade, est\u00e1 dispon\u00edvel uma vers\u00e3o com cabos pr\u00e9-anexados (<a href=\"https:\/\/ecmicrophones.com\/pt\/3mm-electret-microphone-element-with-leads-for-bluetooth-headsets\/\">ECM-B3015AL-42-L25<\/a>). Se forem necess\u00e1rias personaliza\u00e7\u00f5es adicionais, como solda, tamb\u00e9m podemos atender \u00e0s necessidades espec\u00edficas do cliente.<\/p>\n<h3 class=\"pt-5 text-start\">Circuito de teste padr\u00e3o<\/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=\"Circuito de teste ECM-B3015AL-42: polariza\u00e7\u00e3o de 2,2k\u03a9, alimenta\u00e7\u00e3o de 2V, sa\u00edda de 1\u03bcF\" 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>Resistor de polariza\u00e7\u00e3o de 2,2k\u03a9, alimenta\u00e7\u00e3o de 2V CC, capacitor de sa\u00edda de 1\u03bcF. Otimizado para aplica\u00e7\u00f5es de voz compactas.<\/p>\n<h3 class=\"pt-5 text-start\">Resposta de frequ\u00eancia t\u00edpica<\/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=\"Resposta de frequ\u00eancia ECM-B3015AL-42: Resposta plana com queda de 5kHz e eleva\u00e7\u00e3o de 12kHz-20kHz\" 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>Resposta plana com atenua\u00e7\u00e3o moderada de 5kHz e eleva\u00e7\u00e3o estendida de alta frequ\u00eancia (12kHz-20kHz).<\/p>\n<h3 class=\"pt-5 text-start\">Dimens\u00f5es (unidade: mm)<\/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 Dimens\u00f5es: \u03a63\u00d71,5 mm ultra-miniatura com malha contra poeira\" 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\" \/><\/p>\n<p>Caixa ultraminiatura de \u03a63\u00d71,5 mm com malha frontal contra poeira (parte traseira vedada).<\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00e1psula de microfone omnidirecional de 3 mm com resist\u00eancia \u00e0 interfer\u00eancia de capacitor duplo e n\u00facleo de microfone coreano personalizado, ideal para fones de ouvido Bluetooth e dispositivos de \u00e1udio compactos. Tamb\u00e9m dispon\u00edvel com cabos pr\u00e9-instalados, mediante solicita\u00e7\u00e3o.<\/p>","protected":false},"featured_media":2473,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[721],"product_cat":[20,16],"product_tag":[285,229,288],"class_list":{"0":"post-487","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-ecmic","7":"product_cat-omnidirectional-microphones","8":"product_cat-electret-microphones","9":"product_tag-3mm","10":"product_tag-equipment","11":"product_tag-solder-pads","13":"first","14":"instock","15":"shipping-taxable","16":"purchasable","17":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product\/487","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/comments?post=487"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/media\/2473"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/media?parent=487"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product_brand?post=487"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product_cat?post=487"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product_tag?post=487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}