Monoprice 12in 150-Watt Powered Subwoofer, Black

This 12" sub is capable of producing 150 watts RMS (200 watts peak) output. It has a frequency response range of 50 to 250 Hz with a low-pass crossover filter, which can be adjusted through the full range. Gain and frequency knobs on the control panel allow you to adjust the crossover filter and the power output for the optimum blend and balance of bass output with your stereo or surround speakers.