Ground Zero GZIA 1.700 1-channel high quality class A/B amplifierHigh Quality amplifier 1 channel full range amplifier with class A B circuit, integrated active crossover and black anodized heatsink Mono amplifier Class AB technology Variable active crossover and bass boost, phase shift Stable power supply Large terminals Black anodized heatsink with Ground Zero lettering Bass remote control included High level input with auto on function Model High Quality Class A B amplifier Channels 1 Output Power (@ 4) 230