AV功放是家庭影院系统的控制中心。它要做许多的事情,从选择你要欣赏的影音源,一直到放大声音信号去驱动音箱。它的作用同我们十分熟悉的立体声十分相似,但也有好些不同之处。立体声和AV功放都可以在不同节目源之间进行选择,可以控制重放音量,还可以放大声音信号去驱动音箱,但是,AV功放有三项独特的功能,是立体声功 AV amplifier is the control center of home theater system. It has many things to do, from choosing the source you want to enjoy, to amplifying the sound signal to drive the speakers. Its function is very similar to the stereo we are familiar with, but there are some differences. Both stereo and AV amps can be selected from different sources to control playback volume and to amplify the audio signal to drive the speakers. However, the AV amplifier has three unique features that are stereo