JVC KDR320 / KD-R320 / KD-R320 CD Receiver with Dual AUX by JVC (2)Buy new: $149.00 $59.40 42 used & new from $48.30(Visit the Bestsellers in Amplifiers list for authoritative information on this product's current rank.)Review & Description Maximum Power Output: 50W x 4 Continuous Power Output (RMS) (CEA-2006 Compliant): 20W RMS x 4 CH at 4 ohms and no more than 1.0% THD + N MOS-FET Amplifier