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为什么我的耳机有杂音

更新时间: 2020-07-03 00:00:00     

1、耳机的灵敏度太高,很小的音频电压即可推动;

2、耳机屏蔽线脱落,或根本没有屏蔽线,屏蔽线应将信号线包裹住;

3、换灵敏度低,阻抗高的耳机;

4、将耳机信号线换成带有屏蔽线为网状编织的信号线;

5、在左右声道信号线和地线之间并上一个瓷片电容683或104;

关键词: 为什么 耳机 杂音

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