Metra AXM50-GM1 GM MOST50 Amplifier Retention Interface 2014-2021

The Metra AXM50-GM1 is a specialized MOST50 amplifier retention interface designed for General Motors vehicles equipped with factory premium audio systems. This interface enables aftermarket radio installation while retaining the vehicle's original amplifier and premium sound quality.

Key Features:

• Retains factory MOST50 amplifier system in select 2014-2021 GM vehicles
• Maintains full functionality of premium OEM audio system
• Provides pre-amp outputs for aftermarket radio integration
• Plug-and-play harness connections for simplified installation
• Preserves steering wheel audio controls when used with appropriate adapter
• Compatible with vehicles featuring Bose and other premium factory audio systems

This interface is essential for installers who want to upgrade the radio while maintaining the superior sound quality of the factory amplification system. The AXM50-GM1 translates signals between the aftermarket head unit and the OEM MOST50 fiber optic network, ensuring seamless audio performance without the need for expensive amplifier replacement.