Axxess AXM50-GM1 – GM MOST50 Amplifier Retention Interface (2014–2020)
Upgrade your factory radio without sacrificing your premium sound system using the Axxess AXM50-GM1 MOST50 Amplifier Retention Interface. Designed specifically for select 2014–2020 GM vehicles equipped with a factory BOSE® MOST50 audio system, this interface allows seamless integration of an aftermarket radio while retaining the factory amplifier and balance controls.
Built for reliable performance, the AXM50-GM1 ensures your vehicle's original premium audio quality is preserved during installation. Its Micro-B USB updatable design allows for future firmware updates, helping maintain compatibility with evolving vehicle applications and installation requirements.
Key Features
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Retains the factory BOSE® MOST50 amplifier when installing an aftermarket radio
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Preserves factory balance control for a complete audio experience
- Designed specifically for select amplified GM vehicles (2014–2020)
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Micro-B USB updatable for easy firmware updates
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Vehicle-specific design for dependable integration
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Includes MOST50 interface, T-harness, and jumper harness
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Backed by a 1-year limited warranty
Ideal Use For
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Replacing the factory radio while keeping the original BOSE® MOST50 amplifier
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Maintaining premium factory audio performance with an aftermarket head unit
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Professional and DIY radio installations requiring amplifier retention
- GM vehicles equipped with a factory amplified MOST50 audio system
- Installers seeking a reliable, vehicle-specific integration solution