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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 AXM50-GM1

AXM50-GM1

MOST50 Amp Retention Interface - GM 2014-2021

This vehicle-specific add-on amplifier interface is designed for use when replacing the factory radio with an aftermarket unit. It allows you to retain the factory BOSE® amplifier in select GM vehicles, ensuring your upgraded radio integrates seamlessly with the existing audio system. The interface also preserves the factory balance control and features a Micro “B” USB port for easy updates.

Features:

  • Add-on amplifier retention interface
  • Retains the factory BOSE® amplifier in select GM vehicles
  • Retains balance
  • Micro “B” USB updatable
  • 1-year limited warranty

Note: Metra recommends an AXGM interface for plug-n-play ease.

Includes:

  • MOST50 interface
  • T-harness
  • Jumper harness

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

Cadillac

  • Escalade 2015-2020

Chevrolet

  • Camaro 2016-2018 , IO5/IO6
  • Cheyenne   2014-2019
  • Colorado 2015-2018 , IO5/IO6
  • Corvette 2014-2019
  • Equinox 2018-2018 , IO5/IO6
  • Impala 2014-2018
  • Silverado 2014-2018
  • Spark   2016-2017
  • Suburban 2015-2021
  • Tahoe 2015-2020
  • Traverse 2018-2018 , IO5/IO6

GMC

  • Acadia 2017-2019 , IO5/IO6
  • Canyon 2015-2018 , IO5/IO6
  • Sierra 2016-2018
  • Sierra 1500 2014-2015
  • Sierra 2500/3500 2015-2015
  • Terrain 2018-2018 , IO5/IO6
  • Yukon 2015-2020

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