General Specifications50 watts RMS x 4 + 320 watts RMS x 1 at 4 ohms65 watts RMS x 4 + 500 watts RMS x 1 at 2 ohms140 watts RMS x 2 bridged at 4 ohms + 500 watts RMS x 1 at 2 ohmsvariable high- and low-pass filters (32-320 Hz, 12 dB/octave) on front and rear channelslow-pass filter (32-320 Hz, 12 dB..