LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Audi >> 2021 >> S6 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 337 (Communication) >> 91 Communication >> Sound System >> Overview - Sound System >> Overview - Sound System, Advanced Sound System, 8RF
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Overview - Sound System, Advanced Sound System, 8RF

WARNING: This page is about a different car, the 2022 Audi RS 6 Avant and 2021 Audi RS 6 Avant. However, it is still accessible from the selected car via links, so may be relevant.

The advanced sound system (8RF) consists of the following components:

GWWA91-12985Courtesy of AUDI OF AMERICA, LLC
  1. Left Front Midrange Speaker 2 -R276- in Upper A-Pillar
  2. Left Front Door Speaker -RX2- in Left Front Door
  3. Left Front Midrange Speaker -R103- in Left Front Door
  4. Left Front Bass Speaker -R21- in Left Front Door
  5. Left Rear Treble Speaker -R14- in Left Rear Door
  6. Left Rear Bass Speaker -R15- in Left Rear Door
  7. Left Effects Speaker -R209- in Left D-Pillar/Rear Shelf
  8. Left Rear Midrange Speaker 2 -R341- in Rear Roof
  9. Left Front Treble Speaker -R20- in the Instrument Panel on the Left Side
  10. Left Front Treble Speaker Motor -V344- in Left Front Treble Speaker -R20-
  11. Center Speaker -R208- in the Center Instrument Panel
  12. Center Speaker 2 -R219- in the Center of the Instrument Panel
  13. Right Front Treble Speaker -R22- in Instrument Panel on the Right Side
  14. Right Front Treble Speaker Motor -V345- in Right Front Treble Speaker -R22-
  15. Subwoofer -R211- in the Luggage Compartment Floor
  16. Right Rear Midrange Speaker 2 -R340- in Rear Roof
  17. Right Effects Speaker -R210- in Right D-Pillar/Rear Shelf
  18. Right Rear Treble Speaker -R16- in Right Rear Door
  19. Right Rear Bass Speaker -R17- in Right Rear Door
  20. Right Front Door Speaker -RX3- in Right Front Door
  21. Right Front Midrange Speaker -R104- in Right Front Door
  22. Right Front Bass Speaker -R23- in Right Front Door
  23. Right Front Midrange Speaker 2 -R277- in A-pillar
  24. Interior Microphone -R74- in Front Roof Module -WX3-
  25. Digital Sound System Control Module -J525- in Luggage Compartment on Left Rear Side
  26. MOST Bus

Fault Finding is performed using the "Guided Fault Finding"  on the Vehicle Diagnostic Tester.

Notes on MOST Bus

The optical data bus "MOST Bus" is used in addition to the CAN Bus.

A fiber-optic cable is used. Fiber optic cables are routed inside corrugated tubes for protection.

Replace the complete fiber-optic cable if possible.

The front surfaces of the connectors must not get dirty.

If disconnecting the connectors: Attach the Fiber-Optic Repair Set - Connector Protective Caps: VAS6223/9  .

Fig 1: Fiber-Optic Conductor Repair Set VAS 6223A
GWWW00-11495Courtesy of AUDI OF AMERICA, LLC

When routing fiber-optic cables, make sure not to go below the minimum bending radius of 25 mm. Do not crush or kink the fiber-optic cables.

Repairing fiber optic cables. Refer to FIBER-OPTIC CABLES, REPAIRING .