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Subwoofer Amplifier Integration Interface for Select GM 2014 to 2018
Subwoofer Amplifier Integration Interface for Select GM 2014 to 2018

AmpPRO SUB Advanced Amplifier Interface for Select GM 2014 to 2019

$199.00 APSUB-GM61

Add a subwoofer. Upgrade your sound and keep your GM factory radio

  • Must have Infotainment system RPO code IO5 or IO6 to be compatible.
  • To verify the "IO" RPO code on your vehicle, check the glove compartment or spare tire well for a silver sticker with these codes. If this sticker is not present, you must scan the QR code on the GM label found in the driver's door jamb. The RPO codes will be listed in alphabetical order in either scenario.

GM QR Code

GM RPO Codes

APSUB-GM61

AmpPRO SUB Advanced Amplifier Interface for Select GM 2014 to 2019

  • Firmware Download, Version 1.1.2.1 (Released on January 20th, 2021)
    Release Notes

    ***No download available, hardware update only***

    • Minor hardware change. Does not affect user functionality
    Download
  • Firmware Download, Version 1.1.1.1 (Released on October 15th, 2020)
    Release Notes
    Initial Release
    Download
  • Utility/Other, Version V17 (Released on July 31st, 2023)
    Release Notes
    AmpPRO PC Application
    Download
  • Utility/Other, Version 1 (Released on February 18th, 2021)
    Release Notes
    • Can be used for APSUB troubleshooting or for aftermarket amplifier gain setup
    • Contains the following test tones, all at 0dB
      • 20 Hz
      • 40 Hz
      • 100 Hz
      • 250 Hz
      • 350 Hz
      • 500 Hz
      • 1 kHz
      • 8 kHz
    Download



Quickly and seamlessly add an aftermarket amplifier, improve audio performance, and retain radio fit, finish, and features

ADD AFTERMARKET SUBWOOFER

Allows for addition and control of an aftermarket subwoofer amplifier


CONTROL FROM FACTORY RADIO

Like it came from the factory, but incredibly BETTER!


PRESET AND EQUALIZED

Designed for the best possible sound by integrating with and optimizing factory EQ settings 


PLUG AND PLAY HARNESSES

Allows for easy installation without permanent modification to the vehicle

About AmpPRO SUB for GM

Integration with today’s advanced vehicle systems like databus-controlled amplifiers can be difficult, if not impossible. AmpPRO SUB products seamlessly integrate with the databus allowing for full control and optimum sound from a factory radio when adding aftermarket amplifiers.

FEATURES

  • Upgrade solution for factory, fixed level, data-bus controlled sound systems 
  • Time-saving design prevents the need for audio correction devices
  • Retains OnStar, Bluetooth, navigation, safety systems, and all warning chimes
  • Subwoofer preamp output (5 volt RMS)
  • Provides flat-low frequency audio output
  • Customized OE bass center frequency selection
  • Plug-n-play installation
  • Remote sub level controller included

INCLUDES

  • Amplifier Installation Adapter
  • Vehicle Specific Harness
  • ANC Bypass Harness
  • Flush Mount Sub Level Controller



APSUB-GM61 manual
 Download (861.72k)