Designed for adapting the Audi loom to RCA low input for use with BOSE. This 40 Pin Quad-lock harness adapter comes with High to Low Impedance Converters. It's for Audi A3/A4/TT models with rear speakers have no sound or have static noise after installing aftermarket car stereos.
The harness is mainly used to eliminate white noise you get when you change the Audi stock radio to an after-market model. It can also be regarded as an extension harness cable. The working principal is: It can isolate input and output circuits to prevent ground loop noise, enhance bass sound.
FEATURES:
- High to Low impendence converter.
- Solves the problem that Audi A3/A4/TT rear speakers have no sound or have static noise after installing aftermarket car stereos.
- 4-Channel Line Out Converter, 45 watts maximum input per channel.
- Adjustable Gain output level.
