9VS - Premium Sound System, Bang & Olufsen

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Two speakers in the left and right A-pillars
Two speakers in the left and right front doors
One speaker on the left and right side of the instrument panel
Two speakers in the center of the instrument panel
Two speakers in the left and right rear doors
Two speakers in the left and right D-pillar
Subwoofer -R211-
Digital Sound System Control Module -J525- in luggage compartment on left rear side

Fig 1: 9VS - Bang & Olufsen Circuit Diagram

Courtesy of AUDI OF AMERICA, LLC

Left Front Treble Speaker 2 -R220- in the Upper Left A-Pillar
Left Front Midrange Speaker 2 -R276- in the Instrument Panel on the Left Side
Left Front Bass Speaker -R21- in the Left Lower Front Door
Left Front Midrange Speaker -R103- in the Left Front Door in the Center
Left Front Treble Speaker -R20- in the Left Upper A-pillar Trim Panel
Left Rear Treble Speaker -R14- in the Left Upper Rear Trim Panel
Left Rear Bass Speaker -R15- in the Left Rear Door at the Bottom
Left Effects Speaker -R209- in the Left D-Pillar Trim Panel
Center Speaker -R208- in the Instrument Panel Center
Center Speaker 2 -R219- in the Center of the Instrument Panel
Subwoofer -R211- in the Spare Tire Well
Right Effects Speaker -R210- in the Right D-Pillar Trim Panel
Right Rear Bass Speaker -R17- in the Right Rear Door at the Top
Right Rear Treble Speaker -R16- in the Right Upper Rear Trim Panel
Right Front Treble Speaker -R22- in A-Pillar Right Upper Trim Panel
Right Front Midrange Speaker -R104- in the Right Front Door Trim Panel in the Center
Right Front Bass Speaker -R23- in the Right Front Door at the Bottom
Right Front Midrange Speaker 2 -R277- in the Right Instrument Panel
Right Front Treble Speaker 2 -R221- in Right Upper A-Pillar
Interior Microphone -R74- in the Front Interior Lamp -W1-
Digital Sound System Control Module -J525- in Luggage Compartment on Left Rear Side
MOST Bus

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 surface of the connectors must not be contaminated.

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

Fig 2: Fiber-Optic Conductor Repair Set VAS 6223A

Courtesy 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 CABLE .