2009 Audi A4 Stereo Upgrade. One could argue that having a. 4 to 98848 change zip 1-877-289-7664 for FREE Delivery by Thu Feb.
For A3 A4 A5 A6 A7 A8. So before choosing a stereo with a built-in amp Im looking for suggestions on whether one of these devices might be the right way to go. Also this was in an RS4 where the battery is in the trunk.
This video will tell you How to upgrade remove 2008 2009 2010 2011 2012 2013 Audi A4 A5 OEM stereo head unityou can learn by this videoEasy on installation.
Stereo Upgrades and Modifications. This article applies to the Audi A4 B8 2009-2016. This is a brief how-to from my install of a sub woofer in place of the stock one under the parcel shelf in an RS4 although it is equally good for the B6B7 A4S4. Used to install a universal single or double DIN stereo which is approximately 2 or 4 high.