🔊 PAC AP4-GM81 AmpPRO Amplifier Interface for 2023+ GM Vehicles
🚗 Upgrade Your GM Factory Sound System. Transform your factory audio experience with the PAC AP4-GM81 AmpPRO Amplifier Integration Interface.
Designed for select 2023 and newer General Motors vehicles, this interface simplifies aftermarket audio upgrades.
The GM amplifier interface integrates with compatible Bose A2B factory amplified systems.
Enjoy improved sound clarity, stronger bass, and greater control without replacing your original factory radio.
🔧 Advanced Bose A2B Audio Integration
The PAC AP4-GM81 provides a practical solution for installing aftermarket amplifiers in supported GM vehicles.
Its advanced integration technology delivers clean audio signals while maintaining essential factory features.
Key Features:
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🔊 Supports aftermarket amplifier installation.
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🚘 Designed for select 2023+ GM Bose A2B systems.
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🎵 Provides front, rear, and subwoofer preamp outputs.
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⚡ Delivers up to 5V RMS audio outputs.
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🎚️ Retains volume, fade, balance, bass, mid, and treble adjustments.
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📱 Preserves supported Bluetooth and navigation audio.
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🔔 Maintains factory warning chimes and telematics audio.
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🔌 Includes variable two-channel TOSLINK optical output.
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🎛️ Includes a remote subwoofer level controller.
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🛠️ Features vehicle-specific wiring connections.
🎶 Improve Your Factory Bose Audio
Upgrade your original sound system with powerful aftermarket amplifiers and high-quality speakers.
The interface supports customized sound configurations for better clarity, balanced audio, and deeper bass.
Explore our premium Car Speakers Collection for additional audio upgrade options.
Pair your installation with compatible subwoofers and amplifiers for a personalized listening experience.
🚙 Compatible Chevrolet Vehicles
The PAC AP4-GM81 supports select Bose-equipped Chevrolet models, including:
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Chevrolet Colorado: 2023–2025
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Chevrolet Blazer EV: 2024–2025
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Chevrolet Silverado EV: 2024–2025
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Chevrolet Traverse: 2024–2025
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Chevrolet Tahoe: 2025
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Chevrolet Suburban: 2025
Compatibility depends on the factory amplifier, audio system, and vehicle configuration.
Always confirm fitment before purchasing.
🛠️ Professional Car Audio Installation
Professional installation helps ensure proper wiring, amplifier setup, and system calibration.
Important: The factory Bose amplifier must be disconnected or removed during installation.
Audio Jam provides professional amplifier installation and custom sound system upgrades.
Complete your vehicle improvements with professional Car Window Tinting for added comfort and privacy.
❓ Frequently Asked Questions
1. What does the PAC AP4-GM81 do?
It integrates aftermarket amplifiers with select GM Bose A2B factory audio systems while retaining the original radio.
2. Will this interface retain factory audio features?
Yes. It preserves supported Bluetooth audio, navigation prompts, warning chimes, and factory audio adjustments.
3. Can I add an aftermarket subwoofer?
Yes. The interface provides dedicated subwoofer preamp outputs for compatible aftermarket amplifiers.
Additional wiring, amplifiers, and audio components may be required.
