What is a Pre-Out on an A/V Receiver?
A pre-out is a part of your receiver. It is where you connect an external power amplifier in place of the built-in power amplifier. It helps the signal pass through and later be amplified by another power source. Optimize Sound: Understanding A/V Receiver Pre-Outs Some receivers are a little complicated to use. When buying a receiver, it is easy to lose track of what specs and ports you need. Some receivers come with a Pre-Out …