PAC GM1A-R, RadioPRO Advanced Radio Installation Adapter For GM Class-2 Vehicles. Retains Factory Amplified Systems and Provides Internal

RadioPRO Advanced has been engineered to save you time and seamlessly integrate into a vehicle’s databus system to retain features such as factory amplifiers and safety notifications. Features improved sound quality of warning chimes through a provided speaker and direct USB connectionfor quick and easy product setting adjustments and firmware updates. It also saves you time installing a streamlined harness design, smaller housing, and easier adjustment of chimes and factory amplifier gain. Key Features Warning chimes through the internal speaker Bose amplifier retention (Standard & Premium) SWI-DIRECT add-on steering wheel control interface connection Time-saving, streamlined harness design and small housing USB updatable