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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-GM1

AXSUB-GM1

GM 2013-2020 Add-A-Sub Interface

USA MSRP: $196.99 USD

This add-a-sub interface is installed at the radio location and features a 2-channel non-fading 5V RMS output, a fixed low pass frequency of 234Hz, and 250mA remote turn-on output. It includes a bass knob & vehicle-specific harness for easy installation and customization.

Interface Features:

  • 2 Channel non-fading 5V RMS output
  • Fixed low pass frequency of 234Hz
  • 250mA remote turn-on output
  • Designed for amplified and non-amplified vehicles
  • Bass knob & vehicle-specific harness included
  • Install done at radio location
  • Micro USB updateable

Visit AxxessInterfaces.com for more detailed information about the product and up-to-date vehicle specific applications

Buick

  • Enclave 2018-2019 RPO IO5 IO6
  • Enclave 2018-2019 RPO IO5 IO6 & Bose

Cadillac

  • ATS 2013 -2019
  • Escalade 2015-2020 Bose
  • SRX 2013-2016 Bose

Chevrolet

  • Camaro 2016-2018 RPO IO5 or IO6
  • Colorado 2015-2019 RPO IO5 IO6
  • Corvette 2014-2019
  • Cruze 2016-2018 RPO IO5 or IO6
  • Equinox 2018-2018 RPO IO5 or IO6
  • Impala 2014-2018
  • Malibu 2016-2018 RPO IP1
  • Malibu 2016-2018 RPO IO5 or IO6 & Bose
  • Silverado (LD) 2019 -2019 RPOIO5 or IO6
  • Silverado 2014-2018 RPO IO3, IO5 or IO6
  • Silverado 2014-2018 Bose
  • Suburban 2015-2020
  • Suburban 2015-2020 Bose
  • Suburban 2015-2020
  • Tahoe 2015-2020
  • Tahoe 2015-2020 Bose

GMC

  • Acadia 2019-2019 RPO IO5/IO6 & Bose
  • Acadia 2017-2018 RPO UQA
  • Canyon 2015-2018 Bose
  • Canyon 2015-2018 RPO IO5 or IO6
  • Sierra Limited 2019 -2019 RPO IO5 or IO6
  • Sierra 2014-2018 RPO IO3, IO5 or IO6
  • Terrain 2018-2018 RPO IO5 or IO6
  • Yukon 2015-2020
  • Yukon 2015-2020 Bose

*Visit AxxessInterfaces.com for more detailed information about the product and up-to-date vehicle specific applications