Metra - Axxess ANC Bypass Harness for Select 2020 GM Vehicles - Multi
Model: ANC-GMH4
SKU: 6578201
Sold by
Reviews coming soon
This AXXESS bypass harness is designed to solve common problems for installers adding subwoofers or aftermarket speakers to vehicles with active noise cancellation (ANC). It maintains proper communication between audio equipment and the ANC system, giving listeners full control over their music without sound distortion, interference, or conflict between devices.
Solves common problems for installers adding subwoofers or aftermarket speakers to vehicles with active noise cancellation (ANC).
When you add a subwoofer, the ANC microphones malfunction and cause noise issues in the vehicle. This bypass harness is designed to prevent these issues while giving you more flexibility in your audio system design.
Maintain proper communication between audio equipment and the ANC system.