Kicker KMA360.4 KMA Series 4-channel marine amplifierThe extra boost you need Boats can be noisy places. Kicker's KMA360. 4 4 channel amplifier has the firepower you need for successful naval maneuvers, supplying 65 watts of clean power each to a broadside of four speakers. If you want to drop a serious depth charge, you can use this amp in bridged 2 channel mode to pump up a pair of subs with 180 watts RMS each. High and low pass filters help you get maximum performance from the speakers, while a