Yamaha audio-video receivers are equipped with different connection jacks for hooking up a variety of home theater equipment, including a powered subwoofer. The sub connects to the Yamaha receiver with a dedicated cable to deliver deep, low-frequency bass that adds to the home theater experience. A powered subwoofer contains its own built-in amplifier, so the component will not make demands on the Yamaha receiver. Warnings Writer Bio

How to Connect a Subwoofer to a Yamaha Receiver - 79