
AXDSPX-ETH1
INSTALLATION  INSTRUCTIONS
AxxessInterfaces.com  © COPYRIGHT 2022 METRA ELECTRONICS CORPORATION  REV. 8/19/22 INSTAXDSPX-ETH1
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 radio.
INTERFACE FEATURES
INTERFACE COMPONENTS
TOOLS REQUIRED
• Crimping tool and connectors, or solder gun, 
  solder, and heat shrink • Tape • Wire cutter
• Zip ties
TABLE OF CONTENTS
Connections ............................................................2
Installation .............................................................3
Troubleshooting .....................................................4
GENERAL MOTORS 2019-UP  
ETHERNET DSPX PACKAGE
•  Designed for GM Ethernet  amplifiers
•  Ethernet data interface w/AXDSP-X (digital signal processor) built-in
•  Includes an amplifier bypass harness
•  Retains factory chimes including parking sensor chimes
•  Retains vehicle’s voice  prompts
•  Chimes and voice prompts go through the aftermarket amplifier and/
or cluster
•  Selectable 31 Band graphic EQ or 5 Band Parametric EQ
•  10 individually assignable outputs
• AXDSPX-ETH1 interface
• AXDSPX-ETH1 harness
• LD-DSP-ETH1
• LD-DSP-ETH2
• AXBK-1 
• AXDSPX-ETH1 interface harness 
   (male connectors: 8-pin, 16-pin)
• Amplifier bypass harness 
   (female connectors: 8-pin black     
   and 20-pin green ) 
For Dash Disassembly Instructions, refer to metraonline.com. Enter the year, make, and model of the vehicle in the Vehicle Fit Guide for Radio Install kits.
Visit 
axxessinterfaces.com 
for current application list. 
•  Independent equalization on each of the 10 outputs
•  Independent high pass, low pass, and bandpass filters
•  Each channel can be delayed independently up to 10ms
•  Clipping detection and limiting circuits
• 
Settings adjusted via Bluetooth® in a smart device application (tablet
 
or mobile phone), compatible with both Android and Apple devices
•  Read, write, and store configurations for future recall
•  Password protect feature available in the mobile app
•  Micro-B USB updatable