Home >> Audi >> 2021 >> S8 >> Repair and Diagnosis (Single Page) >> Body & Frame >> Mirrors >> Communication >> 91 Communication >> Sound System >> Left And Right Front Treble Speaker -R20- / -R22-, Removing And Installing >> Left And Right Front Treble Speaker -R20- / -R22-, Removing And Installing, 9VD/9VS >> Tightening Specifications