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To get a detailed description of each category and it's available options, to help you make the correct selection.
Retain Steering Wheel Controls
Keep your factory steering wheel controls with Metra's ASWC-1. Easy to install with an aftermarket radio, easy to program with our auto detect feature.
Replace Factory Radio
Remove that featureless factory radio and install an aftermarket radio with Axxess's radio replacement interfaces and harnesses.
Add Remote Start
Cut down in installation time with Axxess's remote start vehicle specific harnesses.
Add Cameras to Factory Radio
Stay aware of your surroundings and improve safety by adding cameras to your existing factory screen.
Add Amp to Factory Radio
Get the sound quality you're looking for by adding aftermarket amplifiers to your factory radio with Axxess's Add-n-amp option.
Device Connection
Stay safe and connected while driving by installing an Axxess connectivity interface and mobility products.
Digital Signal Processor
Upgrade your sound, keep your factory radio and retain your functions with our versatile digital signal processor.
Add Navigation to Factory Radio
Add iGO Primo Navigation to your OEM radio! You can also add on a reverse camera, an HDMI input for smart device mirroring, and more.
< Back AX-DSP


NLA - No Longer Available Use replacement part AXDSP-X

MSRP: $315.00 USD

Part is no longer available. Use replacement part AX-DSPX.

Digital Signal Processor – AX-DSP

AX-DSP Digital Signal Processor with Chime Control and Digital Amp Turn-On Capability

  • 31 band graphic EQ
  • 6 inputs and 6 outputs including front – rear and subwoofer
  • Selectable high and low level inputs
  • Front – rear and subwoofer outputs have an independent two-way crossover in-line with the EQ
  • Front and rear outputs can be delayed independently up to 10ms
  • Easy behind the radio installation
  • Can be used with OE and aftermarket radios
  • Chime control for vehicles with amp-generated chimes (When retaining OEM radio)
  • Retains Sonar sensors in vehicles where the tone is provided by the amplifier (When retaining OEM radio)
  • Clipping detection and limiting circuits
  • Retains OE voice prompts (SYNC and OnStar)
  • Settings adjusted via Bluetooth application compatible with both Android and Apple devices
  • Read – Write and Store your configuration for future recall.

AX-DSP Patent Number 9,875,078

Requires Android 4.1 (Jelly Bean) or Higher

Requires iOS 10.2 or Higher

  • See the individual harnesses for specific applications.


Input Specs
Input Channels 6 High/Low level Selectable
Input Options High Level or Low Level
Input Type Differential-Balanced
Input Voltage
High Level Range
0 - 15.5 volts Peak to Peak
Input Voltage
Low Level Range
0 - 4.9 volts Peak to Peak
Output Specs
Output Channels 6 Outputs
Analog Output Unbalanced RCA Jacks
Output Voltage 5V RMS
Output Impedance 47 Ohms
EQ Specs
Equilizer Type 31 Band Graphic EQ,
+/- 10dB
THD 0.02%
Frequency Response 20Hz - 20kHz
Crossover 2-Way LPF / HPF per channel
Crossover Type Linkwitz-Riley
24BdB Slope, Fixed
Sampling 48Khz
S/N Ratio 92dB @ 5V RMS
Operating Voltage 10 - 16VDC
Current Draw
Current Draw
Adjustments/Controls Application via Bluetooth
Remote Output 12 volt DC, Signal Sense
or with Ignition