JL Audio XD700/5v2 5-channel car amplifier - 75 watts RMS x 4 at 4 ohms + 300 watts RMS x 1 at 2 ohms 5-channel car amplifer 75 watts RMS x 4 + 180 watts RMS x 1 (at 4 ohms) 100 watts RMS x 4 + 300 watts RMS x 1 (at 2 ohms) 200 watts RMS x 2 bridged at 4 ohms + 300 watts RMS x 1 at 2 ohms 10-1/4"W x 2-1/16"H x 7-1/8"D