for export high-power elderly wired digital auxiliary hearing device sound amplifier_浙江百灵电子

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for export high-power elderly wired digital auxiliary hearing device sound amplifier

for export high-power elderly wired digital auxiliary hearing device sound amplifier

专供出口大功率老人有线数字辅听器声音放大器

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声音辅听器的主要作用是把声音放大。

声音辅听器内部有三大件，麦克风-机芯-喇叭
它的工作原理就是将将声音转变为电信号经过放大处理再变为声音传入人耳。声-电-声

Update time：20240418110233