Specifications: powered subwoofer with die-cast aluminum enclosure 6"x8" shallow-profile woofer built-in amplifier: 100 watts RMS (200 watts peak) controls: low-pass crossover variable from 50-150 Hz at 12 dB per octave variable bass boost (0 to +12 dB at 50 Hz) phase switch (selectable 0 or 180 degrees) wired remote volume control speaker and line-level inputs frequency response: 35-150 Hz dimensions: 7-11/16"W x 2-15/16"H x 10-1/4"D warranty: 1 year