KA S 180 stereo (dual mono) power amplifier True differential (balanced) circuit Frequency response DC - 300kHz +0, -3 dB S/N ratio better than -112dB RMS Power 180/300W into 8/4 Ohms (balanced circuit, RCA + XLR inputs, WBT connectors, Cardas internal wiring, etc.) Dimensions 500 x 90 x 340 mm (19.7 x 3.6 x 13.4 inch) W x H x D Net weight 26kg (57.7lbs)