Overview - Sound System, Premium Sound System (9VS), From My 2021

WARNING: This page is about a different car, the 2024 Audi SQ7, 2024 Audi Q7, 2023 Audi SQ7, and 2023 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

The Premium Sound System consists of the following components:

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 A-pillars
Two speakers in the left and right front doors, RX2/RX3
One speaker in the left and right B-pillars
One loud speaker in the left and right rear doors
One speaker in the right and left rear of the roof
Subwoofer -R211- (with integrated Dual Subwoofer Speaker 1 -R298- /Dual Subwoofer Speaker 2 -R299-) in the luggage compartment
Digital Sound System Control Module -J525- in the luggage compartment or behind the left rear bench seat on the crossmember
Information Electronics Control Module 1 -J794- behind the glove compartment

Courtesy of AUDI OF AMERICA, LLC

Information Electronics Control Module 1 -J794- behind the glove compartment
Interior Microphone -R74- in Front Roof Module -WX3-
Left Front Treble Speaker -R20- in the Instrument Panel on the Left Side
Left Front Midrange Speaker 2 -R276- in the top left of the A-pillar (at the height of the exterior rearview mirror)
Left Effects Speaker -R209- in left D-pillar
Center Speaker 2 -R219- in the Center of the Instrument Panel
Center Speaker -R208- in the Center Instrument Panel
Right Effects Speaker -R210- in right D-pillar
Right Front Midrange Speaker 2 -R277- in the top right of the A-pillar (at the height of the exterior rearview mirror)
Right Front Treble Speaker -R22- in Instrument Panel on the Right Side
Left Front Treble Speaker 2 -R220- in the left A-pillar at the top
Left Front Door Speaker -RX2- in Left Front Door
Left Front Midrange Speaker -R103- in left front door
Left Front Bass Speaker -R21- in the Bottom of the Left Front Door
Left Rear Treble Speaker -R14- in the left B-pillar
Left Rear Bass Speaker -R15- in the Bottom of the Left Rear Door
Subwoofer -R211- in the rear luggage compartment floor
- With integrated Dual Subwoofer Speaker 1 -R298- / Dual Subwoofer Speaker 2 -R299-
Right Rear Bass Speaker -R17- in the Bottom of the Right Rear Door
Right Rear Treble Speaker -R16- in the right B-pillar
Right Front Bass Speaker -R23- in the Bottom of the Right Front Door
Right Front Midrange Speaker -R104- in Right Front Door
Right Front Door Speaker -RX3- in Right Front Door
Right Front Treble Speaker 2 -R221- at the top of the right A-pillar
Digital Sound System Control Module -J525- in luggage compartment on left rear side
Data Bus Wires for Audio Bus
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 surface of the connectors must not be contaminated.

If the connectors are disconnected: connect the Fiber-Optic Repair Set - Connector Protective Caps:VAS 6223/9 from the Fiber-Optic Repair Set:VAS 6223A .

Fig 1: 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 fiber optic cables.

Fiber-optic cable repair. Refer to FIBER-OPTIC CABLES, REPAIRING .