Memphis MM500.4V 4-Channel 4 x 125(w) @ 2ohm Marine Amplifier

IPX5 rated
Removable power terminal
Sealed removable signal connectors
Sealed top mount controls
Extruded aluminum heat sink
Signal sensing auto turn on
12dB/octave butterworth crossovers
Input select switch
LED light strip
Remote bass knob (MM900.6V & MM600.2V)
Protection circuitry against: Overload, short circuit, thermal & reverse polarity
Variable bass boost (0-12dB) centered at 45Hz
24dB Infrasonic Filter
High level speaker inputs
Fully Variable crossover