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[讨论] 手机的MIC 喇叭 听筒的内阻一般是多少啊? |
发表于 2015-8-18 13:48:37
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楼主问的是手机行业的,手机行业有用4欧姆的喇叭吗
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发表于 2015-8-15 11:47:06
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