Home >> Audi >> 2021 >> S6 Prestige >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Communication (1 Of 3) >> 91 Communication >> Sound System >> Left/Right Front Treble Speaker -R20- / -R22-, Removing And Installing >> Left/Right Front Treble Speaker -R20- / -R22-, Removing And Installing, 8RM/9VD/9VS >> Tightening Specifications