Audio Adapter for Audi A3 S3 A4 S4 TT Ground Loop Isolator Bose Active Rear Sub (Iso adapter)

Experience crystal clear sound quality with our Audio Adapter for Audi A3 S3 A4 S4 TT. This ground loop isolator eliminates any annoying noise or humming, allowing you to fully immerse yourself in your music through the Bose Active Rear Sub. Elevate your driving experience with the perfect audio upgrade.

(This unit works with our Audi headunits)

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