Metra - AXXESS Amplifier Integration Interface for 2021-Up Select GM Models Vehicles - Multi
Model: AXAMP-GM33
SKU: 6678173
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Integrate aftermarket audio upgrades seamlessly with your vehicle using this Metra AXXESS amplifier integration interface. Designed for select GM vehicles from 2021 and up, this interface allows an aftermarket radio to connect smoothly with the factory audio system while maintaining proper signal flow for reliable, high‑quality sound performance.
Designed for non‑amplified GM models to ensure seamless aftermarket radio integration.
Provides 6 channels of 5‑volt RMS audio, including non‑fading full‑range output on channels 5 and 6.
Installs easily behind the radio with no programming or wire cutting required.
Features chime level adjustment and a dual‑colored LED feedback light for clear system status.
Includes a 250 mA DC amp turn‑on trigger, support for 50W per‑channel input, and a 2‑channel front S/PDIF output.
Includes amplifier integration interface, bass knob, extension harnesses, vehicle‑specific T‑harness, and resistor pad for a comprehensive installation.