This Hifonics ZEUS Gamma ZG Series 4 Channel Class AB Amp delivers a maximum of 1,200 watts for serious power for your car's stereo system. It uses Simpatico coil design (SPC) that features dual coil PWM MOSFET power supply for minimum heat and maximum current levels through the Ultra-Fi output devices. The aluminum heatsink provides superior heat dissipation plus this 4 channel car amp has both RCA inputs and high level input to maximize installation flexibility. The full range car amp can be run in 4 channel or bridged mono mode. Connection types are angled for ease of access while creating a clean wire management profile. For "Power from the Gods," choose Hifonics!