AmpPRO AP4 GM81 Amplifier Integration Interface For 2023 Silverado EV Blazer EV Colorado Suburban Tahoe Traverse With Bose A2B Factory Amplified Systems Keeps Factory Radio Fit While Upgrading Sound With Adjustable Bass Mids Treble Fade Balance
✔️ Plug-and-play GM interface with OEM radio retention & EQ
The AP4-GM81 amplifier integration interface enables easy upgrade of the sound system in GM vehicles with Bose A2B factory amps. It keeps the factory radio fit and features while delivering improved amp performance for models such as 2023-2025 Colorado, 2024-2025 Silverado EV, 2024-2025 Traverse, plus 2025 Suburban and Tahoe. A sublevel controller is included, and the factory amp must be removed during installation. The interface preserves warning chimes, navigation prompts, Bluetooth and telematic audio if equipped.
✅ Plug-and-play installation for Chevy Bose A2B factory systems
✅ Variable volume, fade, balance, bass, mids and treble controls
✅ Front, rear, sub preamp outputs (5 volt RMS)
✅ Customized OE bass, mid and treble center frequency selection
✅ Retains warning chimes, navigation prompts, Bluetooth and telematic audio
✅ Sublevel controller included
✅ TOSLINK optical output provides a variable 2-channel digital audio output
✅ Factory amp removal required during installation
💡 What is a handy way to upgrade a GM Bose A2B audio system in a Chevy EV?
This handy interface makes upgrading while keeping OEM features easy.
- Improves sound with aftermarket amp while preserving radio prompts - Keeps chimes, navigation prompts, Bluetooth, and telematics intact - Includes sublevel controller and digital audio output✝️