Subwoofer size: 12″ Frequency response: 20-150 Hz(-10dB) Variable low-pass filter: 50-150 Hz@18dB/octave Variable phasr control: / Amplifier power output:200 watts@THD<0.5% Inputs Stereo line lever and Hi-level Dimensions:500 x 760 x 178mm(HxWxD)