Axxess AX-BASSKNOB User manual

•
Axxess bassknob for AX-DSP
subwoofer control
AX-BASSKNOB
This is an add-on accessory for the AX-DSP. If you are using
the AX-DSP to install an aftermarket subwoofer and would
like quick independent control of the subwoofer gain.
Installation is extremely easy.
• Connect the Orange wire Oil the AX-BASSKNOB to the
Orange wire on the AX-DSP 20 - pin harness or the
vehicles specific harness that was purchased .
• Connect the Black wire on the AX-BASSKNOB to a
chassis ground in the vehicle .
We provide two mounting options for the AX-BASSKNOB ,
there is a detac.h~ble mount so the gain control knob can be
mounted under a dash or in a pocket, also provided ,a washer
and locking nut so the gain control can be flush mounted .

AXDSPX-ETH1
INSTALLATION INSTRUCTIONS
AxxessInterfaces.com © COPYRIGHT 2022 METRA ELECTRONICS CORPORATION REV. 11/14/22 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

2
CONNECTIONS
Assignable outputs labeled
CH 7-10 to be used
for optional amps.
An SPDT relay, Metra part number
E-123, must be used if the amp turn-on
current of all amps exceed 1-amp.
AXBK-1
SUB
Factory Amp
(must be removed)
Factory Amp Harness RCA Jacks
(sold separately) Gray - Front Right +
Gray/Black - Front Right -
White - Front Left +
White/Black - Front Left -
Brown/White * - Center +
Purple - Rear Right +
Purple/Black - Rear Right -
Green - Rear Left +
Green/Black - Rear Left -
Dark Blue/Pink * - Center -
Brown/Yellow - Subwoofer Right +
Brown/Blue - Subwoofer Right -
Green/White - Subwoofer Left +
White/Red - Subwoofer Left -
AXBK-1
CH6
Blue/White - Amp Turn-On Wire
Red/White - Do Not Use
AXDSPX-ETH1
Interface
Applications
LD-DSP-ETH1 2019-2021
LD-DSP-ETH2 2022-UP

3
REV. 11/14/22 INSTAXDSPX-ETH1
INSTALL ATION
1. Locate the factory amp (†), unplug all connectors, then remove the amp.
2. Install the AXDSPX-ETH1 harness and make all necessary connections, but leave the amp
turn-on wire disconnected.
3. Plug the 8-pin and 16-pin connectors from the AXDSPX-ETH1 harness into the
AXDSPX-ETH1 interface.
4. Download and install the AXDSP-X app from the Google Play Store or Apple App Store.
5. Open the app and follow the instructions on the Bluetooth Connection tab to pair the
mobile device to the AXDSPX-ETH1. (Figure A)
6. Scroll to the Configuration tab then select the vehicle type. Press the Lock Down button to
save the configuration. (Figure B)
7. Connect the amp turn-on wire from the AXDSPX-ETH1 harness.
8. Click the Identify button to confirm that the AXDSPX-ETH1 is connected properly. If so, a
chime will be heard from the front left speaker or gauge cluster. Test all functions of the
installation for proper operation.
9. Adjust the DSP settings in the app as desired. Refer to the instructions under the Setup
Instructions tab, or online at Axxessinterfaces.com for an explanation of each tab in the app.
(Figure A)
(Figure B)

AxxessInterfaces.com © COPYRIGHT 2022 METRA ELECTRONICS CORPORATION REV. 11/14/22 INSTAXDSPX-ETH1
INSTALLATION INSTRUCTIONS
AXDSPX-ETH1
KNOWLEDGE IS POWER
Enhance your installation and fabrication skills by
enrolling in the most recognized and respected
mobile electronics school in our industry.
Log onto www.installerinstitute.edu or call
386-672-5771 for more information and take steps
toward a better tomorrow.
®
Metra recommends MECP
certified technicians
Having difficulties? We’re here to help.
Contact our Tech Support line at:
386-257-1187
Or via email at:
[e-mail]
Tech Support Hours (Eastern Standard Time)
Monday - Friday: 9:00 AM - 7:00 PM
Saturday: 10:00 AM - 7:00 PM
Sunday: 10:00 AM - 4:00 PM
• If the Red light in the AXDSPX-ETH1 interface is blinking, it is not communicating with the vehicle. Remove the key from the
ignition, unplug the connectors from the interface, then inspect all connections made. If everything is proper, connect the
harnesses back into the interface, cycle the key to ignition, then re-inspect. The Red light should be solid.
TROUBLESHOOTING

I N T ER FAC E
AXDSPX-ETH1
AxxessInterfaces.com © COPYRIGHT 2022 METRA ELECTRONICS CORPORATION
What Fits My Vehicle? See the Vehicle Fit Guide at
SALES 386-257-2956 REV. 8/19/22
GENERAL MOTORS 2019-Up
ETHERNET DSPX PACKAGE
INTERFACE COMPONENTS
• 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 )
INTERFACE FEATURES
• 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
• 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
Visit AxxessInterfaces.com for more detailed information about
the product and up-to-date vehicle specific applications.
Visit axxessinterfaces.com for current application list.