The SURGE 6004 is a high-performance four-channel power amplifier designed with a Class H circuit and a durable toroidal transformer. It’s efficient cooling system, powered by force-driven fans, helps maintain optimal internal temperature during extended use. The built-in LCD display allows for easy monitoring of essential functions, including temperature, fan speed, input EQ, operation mode, channel gain and output levels – ensuring smooth and intuitive control. Built for power and dependability, the SURGE 6004 delivers exceptional performance.