FAST-9999 Fast Universal Harness


Availability: In stock


  • Universal harness for a fast, secure connection to your OEM wire harness 

  • Allows for easy installation that typically takes less than 30 minutes 

  • No splicing required



Can’t find a vehicle-specific FAST harness, but want a quick and easy way to install your Bass Tubes? Our FAST-9999 is a universal harness that uses a universal connector to make FAST secure connections to your OEM wire harness.
It allows you to install Bass Tubes in most cars in less than thirty minutes. Its innovative T-harness system makes it easy to integrate the majority of OEM systems. Simply choose the adapter plug to fit your application, pick up a BTAH extension cable and a Bazooka and get to it! No splicing required.

Note: The BTAH is required to complete the installation on our amplified Bass Tubes. The FAST-9999 is not compatible with Bass Tubes models: BTAx200, BTAx250D, RSA, RSA-hp or CS8A5.

Support Materials

Installation Instructions


  • MPN FAST-9999


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