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

Audi Bose Ground Loop Isolator | Audio Adapter for A3, S3, A4, S4, TT

Eliminate the hum. If you’ve fitted an aftermarket head unit to an Audi with a Bose active rear subwoofer and you’re getting an annoying electrical hum or noise through the speakers, this ground loop isolator is the fix.

Designed specifically to work with our Audi head units, this adapter sits between the head unit and the Bose system to break the ground loop and restore clean audio output.

Compatible With

• Audi A3, S3 — with Bose active rear sub
• Audi A4, S4 — with Bose active rear sub
• Audi TT — with Bose active rear sub

Works with Midnight Performance Audi head units. If unsure whether you need this adapter, message us with your vehicle details before ordering.

Professional Installation Available

Our Birmingham workshop can fit this for you. Contact us for a free quote.