Axxess AXDSPH-GM33 – DSP T-Harness for Select GM Vehicles (2021-Up)
Upgrade your factory audio system with the Axxess AXDSPH-GM33 DSP T-Harness, designed specifically for select 2021-up GM vehicles. This vehicle-specific plug-and-play harness provides a fast and reliable connection for the Axxess AXDSP-X or AXDSP-L DSP Interface (sold separately), allowing installation without cutting or splicing factory wiring.
Engineered for clean, professional installations, the AXDSPH-GM33 helps preserve your vehicle's factory wiring while simplifying DSP integration. It also supports a variety of audio upgrade configurations, including adding a subwoofer or full-range amplifiers.
Key Features
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Vehicle-specific plug-and-play DSP T-harness for select 2021-up GM vehicles
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Compatible with Axxess AXDSP-X and AXDSP-L DSP Interfaces (sold separately)
- No cutting or splicing of factory wiring required
- Supports subwoofer and full-range amplifier installations
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Maintains OEM wiring integrity for a clean, reversible installation
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Reduces installation time with direct factory connections
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Professional-grade fit and finish for reliable performance
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Backed by a 1-year limited warranty
Ideal Use For
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Installing an Axxess AXDSP-X or AXDSP-L DSP Interface in compatible GM vehicles
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Adding aftermarket amplifiers or a subwoofer while retaining factory wiring
- Professional and DIY audio system upgrades
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Maintaining factory wiring integrity during DSP installations
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Creating a clean, reversible installation with a vehicle-specific harness