Non-Automotive / Other

Metra Electronics

19-C GM DSP INTERFACE WITH PRE-WIRED HARNESS

$457.40

SKU: M01F AXDSPL-GM31

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Axxess AXDSPL-GM31 is a digital signal processor (DSP) interface that provides a clean signal for aftermarket audio gear by overcoming factory radio sound processing. It includes a pre-wired harness and is designed for select 2019-up Chevrolet and GMC vehicles, retaining many factory features while allowing for improved sound quality with aftermarket speakers.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMetra Electronics
Part NumberM01F AXDSPL-GM31

Videos

Axxess AXDSP-X Digital Signal Processor with Full Tuning Control

Axxess AXDSP-X Digital Signal Processor with Full Tuning Control
Part 1: Axxess AXDSP-X and AXDSP-L Digital Signal Processor Overview from Metra

Part 1: Axxess AXDSP-X and AXDSP-L Digital Signal Processor Overview from Metra
Axxess Digital Signal Processor (AX-DSP) Overview by Metra Electronics

Axxess Digital Signal Processor (AX-DSP) Overview by Metra Electronics
Axxess Interface AX-DSP Installation & Review BEST BANG FOR BUCK!

Axxess Interface AX-DSP Installation & Review BEST BANG FOR BUCK!
AX-DSP - Metra Axxess DSP, Digital Signal Processor Overview

AX-DSP - Metra Axxess DSP, Digital Signal Processor Overview
Improved AX-Series Interfaces from Axxess

Improved AX-Series Interfaces from Axxess
Part 2: Programming the Axxess AXDSP-X and AXDSP-L Digital Signal Processors

Part 2: Programming the Axxess AXDSP-X and AXDSP-L Digital Signal Processors

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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