This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
这是我的原理图，尝试了很多种扬声器，某宝上买的手机扬声器，只有一种可以正常播放音频，其余全部破音，音质很差，请问是怎么回事
破音, 常见原因是输出太大, 超出了扬声器的承受能力, (注意: 很多劣质扬声器其实远远达不到标称的功率)
要不还有就是阻抗匹配问题,
