PAC PAC - Audio Interface Adapter for Select Chevrolet, GMC and Cadillac Vehicles - Black

Upgrade your GM vehicle's factory sound system with this PAC AmpPRO amplifier integration interface. Plug-and-play installation prevents the need for summing and audio correction devices, while variable volume, bass and balance audio settings provide options to choose audio quality. Four preamp channels on this PAC AmpPRO amplifier integration interface help improve your radio's audio performance.