soft switch of voltage 电压软切换
contact of high-voltage-switch 高压开关触点
voltage switch of
电压开关
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In order to fully exploit the sound potential of the HDVD 800 with any audio source, a rotary gain switch at the rear of the unit provides simple adaptation of the amplifier output to the audio input voltage.
ENGADGET: Sennheiser unveils HDVA 600 analog headphone amp, asks for $1,600
应用推荐
模块上移
模块下移
不移动