Axxess ANC-GMH2 GM Active Noise Cancellation Bypass Harness

The Axxess ANC-GMH2 bypass harness disables the factory active-noise-cancellation circuit in compatible GM vehicles when adding aftermarket audio equipment.

Vehicle Fitment

Each compatible vehicle is listed separately by year, make and model for search visibility and ordering accuracy.

• 2020 Chevrolet Corvette
• 2021 Chevrolet Corvette
• 2022 Chevrolet Corvette
• 2021 Chevrolet Suburban
• 2022 Chevrolet Suburban
• 2021 Chevrolet Tahoe
• 2022 Chevrolet Tahoe

Product Details

• Manufacturer: Axxess
• Part number: ANC-GMH2
• Function: Bypasses the factory active noise cancellation system
• Use: Helps prevent unwanted ANC feedback after a subwoofer or amplifier upgrade
• Installation: Vehicle-specific plug-in harness

Important: Compatibility depends on the exact vehicle, trim, RPO codes and factory audio system. Confirm the manufacturer application and factory configuration before ordering.