Subwoofers are often integrated with home theater sound systems to allow them to reproduce a wider range of frequencies. This lets the audio systems account for the entire variety of notes that your ...

Setting up a stereo system. Yamaha RX-V367 receiver, and a Jamo Sub200 subwoofer. The receiver has a single RCA jack labled "Subwoofer". The subwoofer came with a (ridiculously long) single RCA cable.