MetraOnline.com may be used to assist with dash
assembly instructions. Simply enter your Year,
Make, Model vehicle into the vehicle fit guide and
look for the Dash Kit Installation Instructions.
For Dash Disassembly Instructions, refer to
AxxessInterfaces.com
GENERAL MOTORS
ETHERNET DSPX PACKAGE
INTERFACE COMPONENTS
• AXDSPX-GMM50 interface
• AXBT-1 Bass knob
TOOLS REQUIRED
• Crimping tool and connectors, or solder gun, solder, and heat shrink
• Tape • Wire cutter
Recommended: • Tone generator • Polarity tester
www.MetraOnline.com
metraonline.com.
Enter the year, make, and model of the vehicle in the Vehicle Fit Guide for Radio Install kits.
© COPYRIGHT 2024 METRA ELECTRONICS CORPORATION
2014-2021
axxessinterfaces.com
Visit
for current application list.
• AXDSPX-GMM50 interface harness
• Zip-ties • Multimeter
Google Play Store
AXDSPX-GMM50
I N S TA L L AT I O N I N S T R U C T I O N S
TABLE OF CONTENTS
Interface Features ..................................................2
Connections: Adding A Full-Range Amp
& Sub To A Factory System ...............................3
Installation .............................................................4
Quick Setup Steps: AX-DSP-XL App .......................5
Specifications ........................................................ 6
Troubleshooting......................................................7
LED Feedback ..........................................................7
Speaker Assignment QR Code .............................. 8
Visit
AxxessInterfaces.com
information about the product and
up-to-date vehicle specific applications
Apple App Store
iOS 12.1 or higher
ATTENTION: With the key out of the ignition,
disconnect the negative battery terminal before
installing this product. Ensure that all installation
connections, especially the air bag indicator lights, are
plugged in before reconnecting the battery or cycling
the ignition to test this product.
NOTE: Refer also to the instructions included with the
aftermarket accessory before installing this device.
for more detailed
REV. 5/3/24 INSTAXDSPX-GMM50