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.
嗯,型号就是PCM2912A
之所以要在后端加放大器是因为感觉现在的音量不够大。 另外就是后期可能会换阻抗较大的耳机,所以目前也要先做预留。