720 Watts of Maximum Music Power 165 Watts X 4 Continuous @ 2-Ohms 90 Watts X 4 Continuous @ 4-Ohms 330 Watts X 2 Continuous @ 4-Ohms Bridged Humi Seal Coated PCB Class AB Power Supply and Output Stages MOS-FET Power Supply Precise Frequency Control Electronic High or Low-Pass Crossover Variable Bass Boost Control Soft Turn-On and Turn-Off Circuitry Ground Loop Isolation Circuit Corrosion Resistant Nickle Plated RCA, Power, and Speaker Connections Speaker (High-Level) Input