Waterproof amplifier design with IP66 and IP67 certifications 5-channel amplifier, 4 x 100 W full range with 600 W sub channel High-efficiency Class-D technology Huge full-range power from a small footprint รป rated at 1400 watts Dynamic Power Includes inline power and ground couplers that need no soldering or crimping Dual turn-on modes (choice of DC offset or 12 V trigger) Stainless-steel mounting hardware included. AMP 4X100 WATT+ 600W SUB