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To get a detailed description of each category and it's available options, to help you make the correct selection.
Retain Steering Wheel Controls
Keep your factory steering wheel controls with Metra's ASWC-1. Easy to install with an aftermarket radio, easy to program with our auto detect feature.
Replace Factory Radio
Remove that featureless factory radio and install an aftermarket radio with Axxess's radio replacement interfaces and harnesses.
Add Remote Start
Cut down in installation time with Axxess's remote start vehicle specific harnesses.
Add Cameras to Factory Radio
Stay aware of your surroundings and improve safety by adding cameras to your existing factory screen.
Add Amp to Factory Radio
Get the sound quality you're looking for by adding aftermarket amplifiers to your factory radio with Axxess's Add-n-amp option.
Device Connection
Stay safe and connected while driving by installing an Axxess connectivity interface and mobility products.
Digital Signal Processor
Upgrade your sound, keep your factory radio and retain your functions with our versatile digital signal processor.
Override Engine's STOP/START
Override Interface for Ford, Chrysler, Dodge, & Jeep®. Simple install to override or re-engage the stop engine feature!

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< Back AXSUB-GM4

AXSUB-GM4

General Motors 2019-Up

Axxess provides a simple plug-and-play solution for adding an aftermarket subwoofer to select Chrysler, Ford, and GM vehicles. The patented Add-A-Sub™ interface (AXSUB) restores and extends the low-frequency response that is often limited by factory radios, delivering stronger, more accurate bass so your subwoofer can perform at its full potential. Installed directly at the radio location, the AXSUB kit includes vehicle-specific harnesses and a dash-mountable bass control knob for convenient adjustment.

Features:

  • 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 & vehicle-specific harness included
  • Installation done at the radio location
  • Micro “B” USB updatable
  • 1-year warranty

Includes:

  • Interface
  • Vehicle T-harness
  • Bass knob

Refer to our Vehicle Fit Guide for up-to-date vehicle-specific applications

CHEVROLET

  • Camaro 2019-2023 , IOR
  • Cheyenne 1500 2019-2021 , IOR
  • Colorado (New Style) 2019-2022 , IOR
  • Cruze 2019-2022
  • Equinox 2019-2023 , IOR
  • Malibu 2019-2022 , IOR
  • Silverado 2500/3500 2024-2024 , IOR
  • Silverado (classic) 2022-2022 , IOR
  • Silverado 2019-2021 , IOR
  • Sonic 2019-2022
  • Spark 2019-2022 , IOR
  • Traverse 2020-2023 , IOR

GMC

  • Canyon 2019-2022 , IOR
  • Sierra 2023-2024 , IOR
  • Sierra 2019-2021 , IOR
  • Terrain 2019-2022 , IOR

Refer to our Vehicle Fit Guide for up-to-date vehicle-specific applications