Mono subwoofer amplifier 300 watts RMS x 1 at 4 ohms (500 watts RMS x 1 at 2 ohms) 500 watts RMS x 1 at 1 ohm Dynamic Thermal Management cooling system Variable low-pass filter (35-250 Hz, 24 dB/octave) Selectable subsonic filter (28Hz, 24 dB/octave)...