Each channel has a channel signal switch, high-performance microphone input amplifier circuit.

各通道设有通道信号切换开关，话筒输入设置高性能放大电路。

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Each channel has a channel signal switch, high-performance microphone input amplifier circuit.

各通道设有通道信号切换开关，话筒输入设置高性能放大电路。

youdao