Boss Audio MR1000 4 Channel  AB Class 1000 Watt Power Amplifier w/ Remote Subwoofer Level Control
The Boss MR1000 is a MOSFET Class A/B fully marinized stereo amplifier that is 2 ohm stable and bridgeable. It features a fixed high pass filter, high and low level inputs, full circuit protection, subwoofer level control, switchable input sensitivity, variable bass boost, variable gain control, and variable low pass filter.Marine Power Amplifier; 4 Channel Full Range; bridgeable, Class A/B Amplifier; Weather Proof; High and Low level controls