Description
PAC AP4-GM81 AmpPRO 4 is an amplifier integration interface for select 2023+ General Motors vehicles with Bose A2B factory amplified audio systems.
Provides front, rear and subwoofer preamp outputs plus digital integration for aftermarket amplifiers and DSP processors while retaining compatible factory navigation, warning chimes, Bluetooth, voice and telematics audio.
Common applications include newer Chevrolet Colorado, Traverse, Blazer EV, Silverado EV, Tahoe, Suburban and related GM platforms.
The factory amplifier must be removed or disconnected in compatible applications. Verify exact year, model and Bose A2B system before installation.