Upgrade Adapter Cable Wiring Harness Cable Use Fit For Audi A6 C7 A7 Facelift Bose Audio Speakers Media System - Cables, Adapters & Sockets - AliExpress
Upgrade Base Audio sustem to better than Bose for about $750 - AudiWorld Forums
Used 2017 Audi A7 PREMIUM PLUS / NAV / ADAPT CUISE / DRVR ASST / BOSE / REARVIEW For Sale ($34,895) | Formula Imports Stock #F10365
Bose - BOSE AUDI A7 S7 RS7 2010-2018 FRONT DRIVER SPEAKER SUBWOOFER BASS BOX 4G8035298A 4G8035298A