Pyle PLMRA400 Elite Series Waterproof 400-Watt 4-Channel Marine Class AB Amp

• 400W max;• 100W max x 4 max;• Waterproof;• Variable-input gain control ;• High/low level input ;• Remote turn on/off ;• Speaker output connector ;• Gold-plated RCA inputs ;• Thermal, overload & speaker-short protection;• Heavy-duty aluminum-alloy heat sink;• Includes mounting screws & hardware;• Weight: 3.3lbs;• Dim: 2"H x 8"W x 7.87"D;