Metra Electronics AXDSPL-GM33 DSP Interface W/ Pre-Wired Harness for Select 2021-2025 GMC, Chevrolet, and Buick Vehicles
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What’s Inside?
- •AXDSPX-GM33 interface
- •LD-AX-DSP-OUT2 output harness
- •LD-DSP-GM33 vehicle T-harness
- •LD-DSP-RPAD2 resistor pad
- •Wired remote bass knob
- • Owner’s Manual
DSP Interface with Full Sound Control
Transform your driving experience with this DSP interface and pre-wired harness, built for select 2021–2025 GMC, Chevrolet, and Buick vehicles. Designed for non-amplified systems, it installs easily behind the stereo and works with both factory and aftermarket radios. Featuring a 15-band graphic or parametric EQ, flexible filters, multiple inputs/outputs, and independent tuning, it gives you complete control over your sound.
DSP Interface with Bluetooth Tuning
Experience precision sound tuning with independent channel delay, clipping protection, and a wired remote bass knob for on-the-fly control. This DSP interface retains essential factory features like chimes and OnStar® voice prompts with adjustable levels for a seamless integration. Easily fine-tune, save, and secure your settings through the free AX-DSP-XL app via Bluetooth, with future-ready USB updates.
