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Axxess Subwoofer Interface w/ Bass Knob & Vehicle T-Harness For GM 16-19

Sold out
Original price $227.99
Original price $227.99 - Original price $227.99
Original price $227.99
Current price $181.99
$181.99 - $181.99
Current price $181.99

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  • Enhanced Audio Output: Enjoy powerful bass with 2 channel non-fading 5V RMS output, specifically designed for non-amplified vehicles.
  • Precision Bass Control: Includes a bass knob for easy adjustment of bass levels, providing a tailored listening experience.
  • Seamless Installation: Engineered for GM models from 2016 to 2019, this interface offers a vehicle-specific T-harness for effortless installation at the radio location.
  • Versatile Compatibility: Compatible with various GM models including Buick Enclave, Chevrolet Colorado, Cruze, Equinox, Malibu, Silverado, GMC Acadia, Canyon, Sierra, and Terrain, ensuring seamless integration with your car audio system.
  • Easy Updates: Stay current with micro USB updateable functionality, ensuring compatibility with future vehicle models and software enhancements.

Axxess Subwoofer Interface w/ Bass Knob & Vehicle T-Harness For GM 16-19

This Listing Includes:

  • (1) AXSUB Interface

  • (1) AXDSPX-Gm2 Vehicle T Harness

  • (1) Bass Knob

levate your car audio experience with the Axxess Subwoofer Interface. Featuring a 2 channel non-fading 5V RMS output and a fixed low pass frequency of 234Hz, this interface delivers deep, rich bass for an immersive experience. The included bass knob allows for precise control over bass levels, while the vehicle-specific T-harness ensures a seamless installation. Compatible with a wide range of GM models from 2016-19, this interface is designed to enhance your audio system with ease, specifically tailored for non-amplified vehicles.


  • 2 Channel non-fading 5V RMS output

  • Fixed low pass frequency of 234Hz

  • 250mA remote turn-on output

  • Designed for non-amplified vehicles

  • Bass knob & vehicle-specific harness included

  • Install done at radio location

Technical Specifications:

  • Output Channels: 2

  • Output Voltage: 5V RMS

  • Low Pass Frequency: 234Hz

  • Remote Turn-On Output: 250mA

Vehicle Applications:


  • Enclave 2018-2019 RPO IOA


  • Colorado 2017-2019 RPOIOB

  • Cruze 2016-2019 RPO IOA

  • Cruze Hatch 2016-2019 RPO IOA

  • Equinox 2018-2018 RPO IOB

  • Malibu 2016-2019 RPO IOA

  • Silverado (LD) 2019 -2019 RPO IOB

  • Silverado 2016-2018 RPO IOB


  • Acadia 2019-2019

  • Acadia 2017-2018

  • Canyon 2017-2018 RPO IOB

  • Sierra Limite 2019-2019 RPO IOB

  • Sierra 2016-2018 RPO IOB

  • Terrain 2018-2018 RPO IOB

Payment Information


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All orders over $500 will require a signature for delivery.

All pre-selected shipping rates and methods are for customers with a
valid residential or commercial address within the Contiguous 48 United
States (PO Boxes address may require additional charges).

P.O. Boxes, APO/FPO addresses, Alaska, Hawaii, Puerto Rico, Guam,
U.S. Virgin Islands, Northern Mariana Islands, American Samoa, Canada,
and other countries may require additional shipping fees. Please contact
a member of our team for detailed shipping charges.

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to ship every package with-in 1 business day of receiving a cleared
payment. In some circumstances additional time may be need, in which
case we will contact buyer.

Shipped orders that are returned by the shipping company due to an
insufficient address or an undeliverable address will be refunded less a
20% restocking fee.

If package is refused or marked undeliverable and returned
back to us by the carrier, you will need to pay the shipping cost in
full to have the package sent back to you or we can refund the money
minus the cost of shipping


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please do the following within 36 hours of expected, stated delivery:


Verify the shipping address on the order is the address where you are looking for the package

Look for a notice of attempted delivery

Look around the delivery location for the package, or see if a neighbor has accepted the delivery

Be sure to double check your mailbox and other usual spots for package delivery


If you think that your package has been stolen, we will require a police report since this is now theft.
Once we have a police report on file for the stolen package, we will reship your order.

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