background image

AXDSPX-GL44

I N S T A L L A T I O N   I N S T R U C T I O N S

AxxessInterfaces.com 

© COPYRIGHT 2020 METRA ELECTRONICS CORPORATION 

REV. 7/30/20 INSTAXDSPX-GL44

Google Play Store

Apple App Store

iOS 12.1 or higher

INTERFACE FEATURES

INTERFACE COMPONENTS

TOOLS & INSTALLATION ACCESSORIES REQUIRED

• Crimping tool and connectors, or solder gun, 
  solder, and heat shrink • Tape • Wire cutter
• Zip ties • Multimeter

TABLE OF CONTENTS

Installation Options ...............................................2
Installation .............................................................2
Connections ........................................................ 3-4
Mobile App ........................................................ 5-13
Specifications ....................................................... 14

GM

 DSP Interface With Pre-Wired Harness 

2012-2017

•  Includes a DSP (Digital Signal Processor)
•  31 Band graphic EQ
•  10 individually assignable outputs
•  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
•  Retains factory parking sensor chimes
•  Retains OnStar® voice prompts
•  Adjustable chime level
•  Can be used in amplified and non-amplified models
•  Easy behind the radio installation with pre-wired harness
•  Bass knob included for level control of subwoofer amp
•  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

• AXDSPX-GL44 interface
• AXDSPX-GL44 interface harness
• AXDSPX-GL44 vehicle T-harness • Bass knob

APPLICATIONS

Visit axxessinterfaces.com for current application list

Summary of Contents for AXDSPX-GL44

Page 1: ...lization 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 Retains factory par...

Page 2: ...icle T harness to the vehicle and make all necessary connections but leave the amp turn on wire disconnected 3 Plug the AX DSPX GL44 vehicle T harness to the AX DSPX GL44 interface 4 Plug the AX DSPX...

Page 3: ...Ground Orange Control Bass Knob Factory Radio Harness Interface Any remaining wires tape off and disregard Vehicle T Harness Blue White Amp Turn On Wire These outputs can be used for additional sub a...

Page 4: ...eft Green Black Rear Left Purple Rear Right Purple Black Rear Right Any remaining wires tape off and disregard Vehicle T Harness Bass Knob Blue White Amp Turn On Wire Unplug connector Any remaining wi...

Page 5: ...5 REV 7 30 2020 INSTAXDSPX GL44 MOBILE APP Setup Instructions General information tab for installing the interface Continued on the next page...

Page 6: ...he Bluetooth pairing process then select the interface once it is found Connected will appear in the top left corner of the app once paired Note The ignition must be cycled on during this process Disc...

Page 7: ...he selected settings Attention This must be done before closing the app or cycling the key otherwise all new changes will be lost Save Configuration Saves the current configuration to the mobile devic...

Page 8: ...in channels together for simple equalization Example left front woofer midrange and left front tweeter will be considered simply left front The letter M indicates the speaker assigned as the master sp...

Page 9: ...ut If a subwoofer is not being installed change the front and rear crossover points down to 20Hz for a full range signal or to the lowest frequency the speakers will play down to Selecting High Pass a...

Page 10: ...channels can be adjusted independently within this tab with 31 bands of available equalization It is best to tune this by using an RTA Real Time Analyzer The Gain slider on the far left is for the cha...

Page 11: ...Allows a delay of each channel If a delay is desired first measure the distance in inches from each speaker to the listening position then enter those values to the corresponding speaker Add in inches...

Page 12: ...ced by 20dB Turning down the stereo will allow the audio to come back at a normal level The sensitivity of this feature can be adjusted to the listening preference of the user Amp Turn On SignalSense...

Page 13: ...13 REV 7 30 2020 INSTAXDSPX GL44 Locking Down Data Last and the most important You must lock down your configuration and cycle the key MOBILE APP CONT...

Page 14: ...0 Output Voltage Up to 5 volts RMS Output Impedance 50 Ohms Equalizer Type 31 Band Graphic EQ 10dB THD 0 03 Frequency Response 20Hz 20kHz Crossover 3 Way LPF BPF HPF THP per channel Crossover Type Lin...

Page 15: ...15 REV 7 30 2020 INSTAXDSPX GL44...

Page 16: ...tter tomorrow Metra recommends MECP certified technicians AxxessInterfaces com COPYRIGHT 2020 METRA ELECTRONICS CORPORATION REV 7 30 20 INSTAXDSPX GL44 I N S TA L L AT I O N I N S T R U C T I O N S AX...

Reviews: