PAC APSUB-GM61 AmpPRO SUB Advanced Amplifier Interface for Select 2014 to 2019 GM
- 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




