Axxess Integrate by Metra Subwoofer Interface for GM 2021-Up, AXSUB-GM5, 8.2 x 6 x 3 Inches, 0.88 Pounds

["VEHICLE COMPATIBILITY: Designed specifically for GM vehicles from 2021 and up, this subwoofer interface seamlessly integrates with factory audio systems.","COMPLETE INSTALLATION KIT: Includes all necessary wiring harnesses, connectors, and mounting hardware for straightforward installation without cutting factory wires.","ENHANCED AUDIO OUTPUT: Enables the addition of an aftermarket amplifier and subwoofer to factory radio systems while maintaining full functionality of existing controls.","COMPACT DESIGN: Measures 8.2 x 6 x 3 inches and weighs only 0.88 pounds, allowing for discreet installation behind the dashboard or in tight spaces.","PLUG-AND-PLAY SETUP: Features vehicle-specific connectors that interface directly with factory wiring for quick and reliable connection without specialized tools."]