When you want your bass down low, you need a subwoofer as part of your home audio/theater system. Monoprice has the basses covered with this model!This 12" sub is capable of producing 150 watts RMS (200 watts peak) output. It has a frequency response range of 30 to 250 Hz with a low-pass crossover filter, which can be adjusted from 50 to 150 Hz. 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.The subwoofer has multiple input options, which allow it to be used with any existing stereo or 5.1 (or greater) amplifier system. For each input there is a corresponding output.