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HI，
我才用LM4871作为功放输出，本来应该接8欧的喇叭，但是用于应用需要接耳机，所以就设计成耳机接口输出，结果耳机用了30分钟之后就会发烫，请问这是什么原因？
耳机的阻抗应该是32欧的。
谢谢。
