低音音量可以用装在后面板上的控制旋钮来调整。

The bass level is adjustable with a rear panel mounted control.

youdao

一个是平衡输入信号，在后面板，二是前面板上的平衡输出。

One is for the balanced input signal, on the rear panel, the second is on the front panel, for the balanced output.

youdao

一个是平衡输入信号，在后面板，二是前面板上的平衡输出。

One is for the balanced input signal, on the rear panel, the second is on the front panel, for the balanced output.

youdao