An AV receiver, also known as an audio-video receiver, is the central hub of your home theater system. It acts as a control center, connecting various audio and video sources and processing the signals to deliver high-quality audio and video outputs. AV receivers come equipped with multiple inputs and outputs, allowing you to connect your TV, speakers, gaming consoles, Blu-ray players, and other devices. They also support various audio formats and decoding technologies for a truly immersive audio experience.