AV receivers or audio-video receivers are one of the many consumer electronics components typically found within a home theatre system._____
Their primary purpose is to amplify sound from a multitude of possible audio sources as well as route video signals to your TV from various sources.____
The user may program and configure a unit to take inputs from devices such as DVD players, VCRs etc. and easily select which source he wants to route to his TV and have sound output for.
Yamaha Receiver, Pioneer Receiver, Onkyo Receiver, Denon AVR