Audi A4,6 and TT models with RNS-D or TT (97-November01) ISO radio adapter harness, rear amplified 20-282

ISO adapter harness for fitting a new stereo in an Audi A4, A4 Cabriolet or A6 with an original RND-D (Navigation Plus) radio the basic rear amplified audio system.

Also suitable for Audi TT built before November 2001.

Compatibility Chart

This harness adapts from the original ISO and Mini ISO connectors at the back of the head unit to standard aftermarket ISO connectors. The harness has a built-in high to low-level audio adapter to drop the speaker outputs from the new head unit to a low-line level signal to work with the original amplifier in the car. The high-to-low level adapter has 2 dials to individually set the levels of each rear audio channel to give perfect sound quality.

Loose wires for connecting the cars ignition and illumination supply are provided

Fitting instructions are included for the amplifier adjustment.