Class A/B Analog 2-Channel Amplifier Specifications:2 x 70/125 Watts RMS @ 4/2 Ohms 2 x 140/250 Watts max. @ 4 / 2 Ohm 1 x 250/500 Watts RMS/max. bridged @ 4 Ohms HP 50-250 Hz LP 50-250 Hz Bass Boost & Treble Boost 0/6/12 dB RCA Inputs Dimensions: 254 x 46 x 225 mm