Waterproof amplifier design with IP66 and IP67 certifications 4 x 100 watts per channel, full range amplfier High-efficiency Class-D technology Huge power from a small footprint รป rated at 800 watts Dynamic Power Dual turn-on modes (choice of DC offset or 12 V trigger) Includes inline power and ground couplers that need no soldering or crimping Stainless-steel mounting hardware included. AMP 4X100 WATT FULL RANGE