pac apsub-gm61 amppro sub advanced amplifier interface for select 2014 to 2019 gm,multicolored

Must have Infotainment system RPO code IO5 or IO6 to be compatible Upgrade solution for factory, fixed-level,databus-controlled sound systems Allows for addition and control of an aftermarket subwoofer amplifier Timesaving design prevents the need for audio correction devices Preset and equalized to integrate with and optimize factory EQ settings