4 x 7200 Watts 4-Ohms Per Channel Pro High Power Audio Class-D Power Amp w/Dual Digital Signal LE

Output max into 8-Ohms: Four 4200 Watts,Output max into 4-Ohms: Four 7200 Watts,Output max into 2-Ohms: Four 7400 Watts, Admark AD442, the biggest 4ch ever. Use new material Gallium nitride for power supply. Heat only 60% of AD42. Less heat, more stable. Gallium nitride material makes much higher power density, also requires much less on capacitor, which makes it possible to use 400V capacitors 60pcs for AD442 ,so that bigger power output.K series amplfier is Class-D power amplifier. Sexy and novel appearance. Intelligent soft boot,sophisticated short-circuit,over-load,over-heat protection. Compact steel frame,shockproof,compressive resistance. With built-in low frenquency exciter. Be able to work in stereo,paraleel and bridge mode. Can work under voltage 60V to 400V