Best New MGH20 Dual Marine Boat Yacht Bike Car In Dash Digital AUX USB AM/FM Radio Stereo Receiver, with Wierless Remote Control, with 4 X 6.5 Inch Marine Waterproof Speakers, and 400 Watt 4 Channel Marine Audio Amplifier Package (Silver) Dual Dynamics
Rockford Fosgate Prime R250-1 250 Watt Mono Amplifier. Mono amplifier delivers 250 watts at 2 ohms, 150 watts at 4 ohms. Variable low pass crossover with 12dB/octave slope and 40Hz to 130Hz crossover point. Punch Bass adjustable bass level control of 0 to +12 dB centered at 45Hz. RCA inputs for signal level input and pass-through jacks for system building. The input gain control is preset to match the output of most source units.
BOSS Audio MR1950 1950-watts Full Range Class A/B 5 Channel 2-8 Ohm Stable Amplifier with Remote Subwoofer Level Control http://www.productsforautomotive.com/boss-audio-mr1950-1950-watts-full-range-class-ab-5-channel-2-8-ohm-stable-amplifier-with-remote-subwoofer-level-control/