Axxess AXM50-GM1 MOST50 Bose Amp Retention Interface for GM 2014-2020

Axxess AXM50-GM1 is a MOST50 add-on amplifier retention interface for select 2014-2020 GM vehicles with factory Bose audio. It is used when replacing the factory radio with an aftermarket unit while retaining the compatible factory Bose amplifier and balance control.

Key Features

• Add-on MOST50 amplifier retention interface for select GM vehicles
• Retains the factory Bose amplifier where supported
• Retains balance control
• Micro-B USB updatable
• Includes MOST50 interface, T-harness, and jumper harness
• Designed for use with compatible aftermarket radio installations

System / Wiring Notes

• This is an add-on amplifier retention interface, not a full standalone radio replacement kit
• Metra recommends an AXGM interface for plug-and-play ease where applicable
• Verify factory Bose/MOST50 equipment, RPO code, and radio replacement interface requirements before purchase
• Factory feature retention depends on the radio replacement interface and vehicle equipment used with this amplifier interface

Vehicle Compatibility

Installation Notes

• Confirm exact vehicle fitment, trim level, factory radio, and factory audio system before installation
• Verify the aftermarket radio model and required Axxess firmware or programming steps before final assembly
• Additional dash kit, antenna adapter, camera adapter, amplifier interface, or radio-specific harness may be required for a complete installation
• Professional installation is recommended for proper integration and retained-feature operation

What’s in the Box

• Axxess AXM50-GM1 MOST50 interface
• T-harness
• Jumper harness
• Step-by-step instructions as supplied by Axxess

Technical Specifications

• Brand: Axxess
• Model: AXM50-GM1
• Product Type: MOST50 amplifier retention interface
• Application: select GM vehicles with factory Bose amplifier
• Compatibility Type: Vehicle-specific
• Audio System Support: Factory Bose amplifier retention
• Update Method: Micro-B USB

Identifiers & Packaging

• MPN: AXM50-GM1
• UPC: 86429426317
• Sold As: Each
• Included Components: MOST50 interface, T-harness, jumper harness, and instructions

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