Make your time on the water even more enjoyable with this razor marine Series class d amp from Power Acoustik. This monoblock 2,300-watt Max, 900w RMS x 1 @ 4Ohm amp uses a Compact 4.75" chassis design for installation versatility. The amp has splash-resistant conformal-coated circuit boards and MOSFET power supply with audiophile-grade irtm transistors. Military-grade smt PCB maintains Dynamic performance. Direct short, thermal & overload circuits protect the amp as well. This unit also has 200mv-6v low-level RCA inputs, high-level Input with auto turn on when it senses a signal, variable 12Db high-pass & low-pass crossovers and a 10hz-50hz variable 12Db subsonic Crossover protects subwoofers. Dimensions are 1.63"H x 4.75"W x 11"d.