5-channel car amplifier 50 watts RMS x 4 + 320 watts RMS x 1 at 4 ohms 65 watts RMS x 4 + 500 watts RMS x 1 at 2 ohms 140 watts RMS x 2 bridged at 4 ohms + 500 watts RMS x 1 at 2 ohms 4-gauge power and ground leads recommended Fuse rating: 30A x 3 Dimensions: 14-3/16"W x 2-1/16"H x 7-1/8"D