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Axxess AXSUB-GM4

Active 2-Channel Line Output Converter and Subwoofer Data Interface for select 2019-2023 vehicles from Chevrolet, GMC

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• Line Output Converter and Subwoofer Data Interface
• Integrates with amplified or non-amplified factory OEM systems
• Allows for the addition of an aftermarket subwoofer
• Compatible with select 2019-2023 vehicles from Chevrolet, GMC

See compatible vehicles Learn more about the axsubgm4
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List price $228.99
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Description


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Axxess AXSUB-GM4


Axxess offers a plug-n-play solution for adding an aftermarket subwoofer to select Chrysler, Ford and GM vehicles. Our patented Add-a-Sub interface, the AXSUB, takes the low sound frequencies, which are limited by your factory radio, and processes them for better output allowing your subwoofer to reach it’s full potential. The AXSUB, is designed for amplified and non-amplified systems and includes a vehicle-specific harness and bass knob.


Product Features:

  • Active 2-Channel Line Output Converter and Subwoofer Data Interface
  • Compatible with select 2019-2023 vehicles from Chevrolet, GMC
  • Designed to integrate with amplified or non-amplified factory OEM systems
  • Allows for the addition of an aftermarket subwoofer
  • Non-fading 5-volt RMS output
  • 250 mA remote turn-on output
  • Axxess LD-BASSKNOB included for level control of the amplifier
  • Installation should be done at the location of the stereo
  • Micro-B USB adaptable
  • Fixed Low-Pass Filter: 234 Hz
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

The vehicle you have selected 2009 Mazda B4000 is not compatible. Change vehicle or See list of compatible similar products


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Specifications & Details


Line-Out Converter Specifications
Number of Channels
2-Channel
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

AXSUB-GM4

Weight:

0.86lbs

Internal SKU:

axsubgm4

Internal Product ID:

202146

Customer Ratings & Reviews


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.