My dad got a 2018 Audi Q7 Prestige with the Bose 3D surround sound system a couple months ago. I've been driving it the past week and it's amazing. 19 speakers, 558
Audi A4 B7 Bose Soundsystem Speaker Subwoofer Control Unit 8E9035382E | eBay
Replacing the factory Audi Bose stereo with an AUX input » Blog – Dan Joannis
Is Bose Better Car Audio than Home Audio? | Audi Q7 Prestige 19 Speaker System - YouTube