Axxess
Axxess AXSUB-GM6 Add-A-Sub Interface for Buick, Chevrolet and GMC IOR 2021-2024
Axxess AXSUB-GM6 Add-A-Sub Interface for Buick, Chevrolet and GMC IOR 2021-2024
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Axxess AXSUB-GM6 is a vehicle-specific Add-A-Sub data interface designed to add aftermarket subwoofer signal to compatible factory-radio systems while keeping the factory radio in place. The interface provides a processed subwoofer signal, remote turn-on output, and included bass control for a cleaner factory-radio amplifier integration.
At a Glance
- Plug-and-play Add-A-Sub data interface for adding an aftermarket subwoofer while retaining the factory radio
- Designed for non-amplified systems
- 2-channel non-fading 5V RMS output
- Fixed low-pass frequency of 234Hz
- 250mA remote turn-on output
- Bass knob and vehicle-specific harness included
- Installation done at the radio location
- Micro-B USB updatable
Exact Vehicle Compatibility
Find your vehicle below, then match the model year and factory-equipment details in the same row. Factory radio, amplifier, navigation, trim, speaker location, and connector differences can change which installation parts are required. If anything differs, contact MCOR before ordering.
| Make | Model | Years | Factory Equipment / Qualifier |
|---|---|---|---|
| Buick | Envision | 2022-2023 | IOR; Factory amplifier location: N/A |
| Chevrolet | Silverado 1500 | 2022-2026 | IOR; Factory amplifier location: N/A |
| Chevrolet | Silverado 2500/3500 | 2024-2026 | IOR; Factory amplifier location: N/A |
| Chevrolet | Suburban | 2021-2024 | IOR; Factory amplifier location: N/A |
| Chevrolet | Tahoe | 2021-2024 | Non-amplified with IOR; Factory amplifier location: Left Rear of Trunk, Behind Trim Panel. |
| GMC | Sierra 1500 | 2022-2026 | IOR; Factory amplifier location: N/A |
| GMC | Sierra 2500/3500 | 2024-2026 | IOR; Factory amplifier location: N/A |
| GMC | Yukon | 2021-2024 | Non-amplified (with IOR RPO); Factory amplifier location: Rear Compartment, behind Left Rear Quarter Trim. |
Fitment note: Year and model alone are not always enough to confirm compatibility. Match every factory-equipment qualifier shown for your vehicle, and contact MCOR Automotive if the radio, amplifier, navigation, speaker, camera, trim, or connector details are uncertain.
Installation Notes
- Installs at the radio location using the included vehicle-specific harness
- Designed to provide subwoofer amplifier signal and remote turn-on output without replacing the factory radio
- Bass knob provides convenient subwoofer level control
- Professional installation is recommended for amplifier integration, gain setup, and subwoofer tuning
- Check the latest Metra / Axxess instructions before installation
What’s in the Box
- Axxess AXSUB-GM6 Add-A-Sub interface
- Vehicle T-harness
- Bass knob
Technical Specifications
- Brand: Axxess
- Model: AXSUB-GM6
- Product Type: Vehicle-specific Add-A-Sub data interface
- Application: select Buick, Chevrolet and GMC 2021-2024 vehicles with IOR non-amplified systems
- Vehicle System: non-amplified systems
- Audio Output: 2-channel non-fading 5V RMS output
- Low-Pass Frequency: Fixed 234Hz
- Remote Output: 250mA remote turn-on output
- Update Port: Micro-B USB
- Sold As: Each
Identifiers & Packaging
- MPN: AXSUB-GM6
- UPC: 086429435302
- Sold As: Each
- Included Components: Axxess AXSUB-GM6 Add-A-Sub interface, Vehicle T-harness, Bass knob
Why Buy From MCOR Automotive
- Authorized retailer for the brands we sell
- Specialists in vehicle audio integration, radio replacement parts, and installation accessories
- 22+ years of professional automotive electronics experience
- Expert support for compatibility verification and proper setup
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