Pac Ap4-GM81 AmpPro4 Amplifier Integration Interface for Select 2023 and Up Chevrolet Vehicles with Bose A2B Factory Amplified Systems

The Pac Ap4-GM81 AmpPro4 is a sophisticated integration interface designed specifically for select Chevrolet models equipped with Bose A2B factory amplified sound systems from 2023 onward. This device enables seamless upgrading or customization of your vehicle's audio system while preserving key factory features. It maintains the original amplifier, allowing you to enhance sound performance without losing Bluetooth audio, navigation prompts, warning chimes, or telematic audio if equipped. The plug-and-play design simplifies installation, making it accessible for both professional installers and DIY enthusiasts. Included with the interface are a sublevel controller and a comprehensive user manual, ensuring straightforward setup and operation. The device offers adjustable audio settings such as volume, fade, balance, bass, mid, and treble, along with customized center frequency selections for bass, midrange, and treble. It features front, rear, and sub preamp outputs (5 volts RMS) for versatile audio system integration and includes a TOSLINK optical output that provides a variable 2-channel digital audio output for high-quality sound delivery. Compatible with a range of Chevrolet vehicles, including the 2024-2025 Blazer EV, 2023-2025 Colorado, 2024-2025 Silverado EV, as well as the 2025-2026 Suburban, Tahoe, and Traverse, this interface is tailored to meet the demands of modern vehicle audio upgrades. Its compact design ensures minimal space usage, and its robust construction guarantees reliable performance over time.

Features:

• Maintains factory Bose amplifier for seamless sound system upgrades

• Compatible with multiple Chevrolet models including Blazer EV, Colorado, Silverado EV, Suburban, Tahoe, and Traverse

• Variable volume, fade, balance, bass, mid, and treble controls for customized sound tuning

• Front, rear, and subwoofer preamp outputs (5 volts RMS) for flexible system connections

• Supports customized center frequency selection for bass, midrange, and treble

• Preserves Bluetooth audio, navigation prompts, warning chimes, and telematic audio

• Plug-and-play installation with included sublevel controller and user manual

• TOSLINK optical output offers a variable 2-channel digital audio signal