Left And Right Front Bass Speaker -R21- / -R23-, Removing And Installing, Bang & OLUFSEN: Notes
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2015 Audi S8, 2015 Audi A8 Quattro, 2014 Audi S8, 2014 Audi A8 Quattro, and 2013 Audi S8. However, it is still accessible from the selected car via links, so may be relevant.
The Left Front Bass Speaker -R21- /Right Front Bass Speaker -R23- -2- are located at the bottom of the front doors.
Removing and installing is identical.
-- Turn off the ignition and all electrical consumers and remove the ignition key.