POLK AUDIO Class D Bridgeable Multichannel MOSFET Amplifier: MOSFET switching; toroidal transformers; front and rear gain level controls; channel mode switch; nickel-plated wire terminals and RCA connectors

The Micro 4-Channel 700W Marine/Powersports Amplifier by Stinger is the perfect marine single amp solution. The SPX700X4 is compact to fit limited spaces but features a full-range class D amplifier that delivers massive power. This weather-resistant and durable amp is built to withstand harsh marine environments to ensure season after season of listening enjoyment. The SPX700X4 features a RCA output with a full-range signal for addition of another amplifier without loss of signal or excessive wiring. Also, stay in control with the included subwoofer level controller with mute function for the rear channels. Ideal for boaters or powersport users who have limited space available yet demand powerful sound.