Pac Ap4-GM71 AmpPro4 Integration Interface for Select 2019 and Up Cadillac, Chevrolet, GMC, and Hummer Vehicles with AVB Ethernet and Bose Sound System

The Pac Ap4-GM71 AmpPro4 is a sophisticated audio integration interface designed for select Cadillac, Chevrolet, GMC, and Hummer vehicles manufactured from 2019 onwards that are equipped with Bose sound systems. This device allows you to upgrade your vehicle's entire sound system or enhance specific sections while retaining the original amplifier, ensuring seamless sound quality and system compatibility. The plug-and-play design simplifies installation, making it accessible for both professional installers and DIY enthusiasts. It also preserves key vehicle features such as Bluetooth audio, navigation prompts, warning chimes, and telematic audio if equipped, providing an integrated upgrade experience without sacrificing original functionalities. The unit features variable volume, fade, balance, bass, midrange, and treble controls, giving you comprehensive customization options to tailor the audio to your preferences. Additionally, the device offers front, rear, and subwoofer preamp outputs at 5 volts RMS, facilitating high-quality signal distribution throughout your vehicle's sound system. It supports customized center frequency selection for bass, mid, and treble, ensuring optimal sound clarity and depth. The package includes a sublevel controller and user manual for straightforward setup and operation. Optional accessories, such as TOSLINK optical output (sold separately as APA-TOS1) and a speaker harness extension (LPHEXT17), are available to further customize and expand your audio system. Designed specifically for vehicles with AVB Ethernet and Bose systems, the Pac Ap4-GM71 ensures a reliable, high-fidelity audio upgrade that maintains all factory features while enhancing sound performance. This interface is a versatile solution for vehicle owners seeking a premium audio experience with minimal hassle and maximum compatibility.

Features:

• Retains original amplifier for versatile sound system upgrades

• Compatible with select Cadillac, Chevrolet, GMC, and Hummer models with Bose audio from 2019 onward

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

• Front, rear, and subwoofer preamp outputs (5 volts RMS) for high-quality signal distribution

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

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

• Plug-and-play installation for ease of setup

• Includes sublevel controller and comprehensive user manual

• Optional TOSLINK optical output (sold separately) for enhanced connectivity

• Optional speaker harness extension available for expanded system integration