8RF - Advanced sound system, Bang & Olufsen, from MY 2015

WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Two speakers in the left and right front doors
One loud 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
One speaker in the left and right D-pillars
Subwoofer - R211- in the luggage compartment recess
Digital Sound System Control Module - J525-

There is a sound system with ANC EP1 and without ANC EP0.

Fig 1: Identifying Sound System With ANC EP1 And Without ANC EP0

Courtesy of AUDI OF AMERICA, LLC

Left Front Midrange Speaker - R103- in center of left front door
Right Front Midrange Speaker - R104- in center of right front door
Left Rear Treble Speaker - R14- in the left rear door at top
Right Rear Treble Speaker - R16- in the right rear door at top
Left Effects Speaker - R209- in the left D-pillar
Right Effects Speaker - R210- in the right D-pillar
Left Front Treble Speaker - R20- inside the instrument panel on the left side
Left Front Treble Speaker Motor - V344-
Center Speaker - R208- in center of instrument panel
Center Speaker 2 - R219- in the center of the instrument panel
Right Front Treble Speaker - R22- in right instrument panel
Right Front Treble Speaker Motor - V345-
Left Rear Bass Speaker - R15- in the bottom of the left rear door
Right Rear Bass Speaker - R17- in the bottom of the right rear door
Left Front Bass Speaker - R21- in the bottom of the left front door
Right Front Bass Speaker - R23- in the bottom of the right front door
Subwoofer - R211- in the luggage compartment recess
Microphone Unit In Front Roof Module - R164- (Interior Microphone - R74-) in the Front Interior Lamp - W1-
- ANC microphones inside the headliner
Digital Sound System Control Module - J525- behind the left luggage compartment trim panel
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 as a " connecting cable". Fiber optic cables are routed inside corrugated tubes for protection.

Replace complete fiber optic cable if possible.

The front surface of the connectors must not be dirty.

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

Fig 2: Fiber Optic Plier Repair Set VAS 6223

Courtesy of AUDI OF AMERICA, LLC

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

Repairing fiber optic cables. Refer to FIBER OPTIC CABLE .