Cadence QR Series 2Channel Amplifier Class D Specifications RMS Power @2 Ohm-14.4V: 120W x 2 RMS Power @4 Ohm-14.4V: 80W x 2 Bridged RMS Power @4 Ohm-14.4V: 240W Fuse Rating: 10A x 2 Dimensions : 19 x 16 x 5,2 cm Unit Weight: 1.3 kg