PAC AP4-GM81 AmpPRO Amplifier Integration Interface for Select 2023+ Silverado EV/Blazer EV/Colorado/Suburban/Tahoe/Traverse with Bose A2B Factory Amplified Systems
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Features
- AmpPRO simplifies the installation of upgraded amplifiers in select amplified sound systems. With AmpPRO, you can improve the audio performance while keeping the original radios fit, finish and features.
- Variable volume, fade, balance, bass, mid and treble audio settings
- 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 (if equipped)
- Plug-and-Play installation
- Sublevel controller included
- TOSLINK optical output provides a variable 2-channel digital audio output
- Vehicle Compatiblity: 2024-2025 BLAZER EV 2023-2025 COLORADO 2024-2025 SILVERADO EV 2025 SUBURBAN 2025 TAHOE 2024-2025 TRAVERSE
- Factory amplifier must be removed from vehicle when installing this interface
Description
The AP4-GM81 provides a 6-channel pre-amp output for use with aftermarket audio equipment. The AP4-GM81 delivers a variable 5v RMS pre-amp output with fading, balance, equalization, and level control capabilities. The module retains all audio from other vehicle features such as factory navigation prompts, Bluetooth, OnStar, and parking sensor chimes. A data controlled remote amplifier turn on wire is provided by the AP4-GM81. The module provides a variable 2-channel fiber optic digital audio output (TOSLINK).
Manufacturer: PAC
Brand: PAC
UPC:
Package Dimensions : 8.5 x 6 x 2 inches; 1.1 Pounds
Item model number : AP4-GM81
Date First Available : July 23, 2025
Manufacturer : PAC
Best Sellers Rank: #2,257,078 in Automotive (See Top 100 in Automotive) #2,300 in Automotive Replacement Radio Electrical Accessories
#2,300 in Automotive Replacement Radio Electrical Accessories:
Frequently asked questions
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