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Axxess AXDSPX-GM30 DSP Package with AXDSP-X and T-Harness for GM 2019-Up

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Axxess AXDSPX-GM30 DSP Package with AXDSP-X and T-Harness for GM 2019-Up

The AXDSP-X comes with a wired remote bass knob, so you can control the bass from the front, when one of the assignable output channels goes to a sub amp. Other connectors in the harness allow you to add even more amplifiers and create your own large custom sound system.


  • 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
  • Designed for 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

Vehicle Fitment:

Chevrolet (Non-amplified vehicles only)

  • Blazer (IOT, IOU) 2019-Up
  • Camaro (IOS, IOT) 2019-Up
  • Cheyenne (IOS, IOT) 2019-Up
  • Colorado (IOS, IOT) 2019-Up
  • Equinox (IOS, IOT) 2019-Up
  • Malibu (IOU, IOS) 2019-Up
  • Silverado (IOS, IOT) 2019-Up

GMC (Non-amplified vehicles only)

  • Acadia (IOU) 2019-Up
  • Canyon (IOS, IOT) 2019-Up
  • Sierra 1500 (IOS, IOT) 2019-Up
  • Terrain (IOS, IOT, IOU) 2019-Up