The Axxess DSP Package is a comprehensive audio integration solution designed for select GM vehicles with Bose systems from 2019 and up. This professional-grade installation kit includes a digital signal processor module and a complete T-harness system that simplifies the integration of aftermarket audio equipment while maintaining factory system functionality. The package features multiple vehicle-specific connectors, including various harness adapters and RCA outputs, ensuring seamless compatibility with your vehicle's existing wiring. The black control module measures 8.1 inches in height and 6.1 inches in width, providing powerful audio processing capabilities in a compact form factor. Each component is precision-engineered to deliver optimal signal quality and reliable performance. The included T-harness design allows for a non-destructive installation, preserving your vehicle's original wiring integrity. This complete package weighs 1.15 pounds and comes with all necessary connectors and adapters to streamline your installation process, making it an ideal choice for professional installers and audio enthusiasts seeking to upgrade their vehicle's sound system while retaining factory features.