Memphis Audio MM500.4V

The Memphis Audio MM500.4V is a four-channel marine amplifier for a compatible boat or powersports speaker system. Rated RMS output is 80 watts per channel at 4 ohms or 125 watts per channel at 2 ohms. Supported bridged operation provides 250 watts into each of two 4-ohm loads, offering flexibility when planning the connected speakers.

IPX5 protection, sealed removable signal connectors and sealed top-mounted controls support outdoor installation. An extruded aluminum heatsink, signal-sensing turn-on and adjustable crossovers provide installation and tuning features. The amplifier measures 10.5 by 7.3 by 2 inches. Confirm speaker loads and source compatibility, provide suitable fused power wiring and allow ventilation around the chassis. Follow the amplifier instructions when setting gain and crossover controls.