Four-channel amplifier delivers 60W x 4 @ 4-Ohms, 100W x 4 @ 2-Ohms, 200W x 2 @ 4-Ohms bridged (RMS) * Class A/B amplifier with MOSFET output stage and power supply * Variable front/rear high-pass/low-pass filters with range of 50-500 Hz (24 dB/octave slope) * Variable front/rear bass (0dB to +18dB @ 45Hz) and treble (0dB to +12dB @ 12kHz) boost controls * Audiophile grade speaker connections