Class D Power AmplifierPart Number: ME-400D The ME-400D Class D Power Amplifier provides 500 watts (125W x 4 CH) of crisp, clean audio power. This amplifier can be easily configured to enhance your listening pleasure. Gold plated connections resist corrosion. Efficient heat sink design ensures uninterrupted operation. The ME-400D will be an outstanding addition to your vessel's audio system.Features4 Channel Class D Power Amp2 ohm stable stereo outputsBridgeable outputsVariable input level controls for each pair of channelsVariable High-pass, Low-pass and All-pass crossoverVariable Bass Boost circuitThermal and overload protection circuitryGold-plated RCA jacks and terminalsSpecificationsPower Supply Voltage: 11-16 VDCIdling Current: 0.8AIdling Current when off: