This is an upgradeable AUX input. You can connect a 3.5 mm wire to play audio from your device. It also has a 9 pin port for upgrades.
Since most manufacturers are deleting the aux port on phones this unit is not recommended to play music from your phone.
BTA-AUX – This is our most popular upgrade. It receives wireless music including navigation prompts from your phone and plays it through your radio.
IPDU-AUX – This is an iPhone only upgrade. It plays music from your iPhone through a USB connection.. Next and previous song and charging are also done through the USB connection.
We also have other options for your car. Please select your car from the drop down below for all the options available.
Posi-Tap EX150B – This product simplifies connecting the ground cable that is required for installation. See product for instructional video.
Enfig RRK4 – keys required to remove the factory radio.
This unit connects behind the radio on all cars.
A3/S3/RS3 2006-2007 Cars with RNS-E Navigation only
A4/S4 2004-2006 Cars with RNS-E Navigation only
A4/S4/RS4 2009 Convertible only
A6/S6/RS6 2003-2004 Cars with RNS-E Navigation only
Allroad 2003-2005 Cars with RNS-E Navigation only
TT/TTS/TTRS 2010-2015 Audi changed the connector on the back of the radio. AC1 units are compatible but AI2 may not be.