Product highlights:

• digital signal processor and T-harness
• ETH1 harness fits select 2019-up GM vehicles with a Bose factory amplifier
• allows you to add aftermarket amplifiers and then tune your system
• 6 inputs, 10 individually assignable output channels
• settings adjusted through a tablet or smartphone running the AXDSP-X app
• each channel Features:
  • 31-band graphic EQ
  • high-pass, low-pass, and bandpass filters
  • time delay (up to 10ms)
• bass knob included
• retains chime control, plus Sync® and OnStar® features
• module dimensions: 3-13/16″W x 1″H x 3-13/16″D (incl. wiring)