Audi A4 Owners & Service Manuals

Audi A4: Component Location Overview - Sound System

Audi A4 (B9) 2016-2025 Service Manual / Electrical System / Communication / Sound System / Component Location Overview - Sound System

Component Location Overview - Sound System, Speaker, Sedan

Component Location Overview - Sound System, Speaker, Sedan

1 - Left Front Treble Speaker -R20-/Right Front Treble Speaker -R22-, 8RM, 9VD

   - Left Front Midrange Speaker 2 -R276-/Right Front Midrange Speaker 2 -R277-, 9VS

  • Removing and installing. Refer to → Chapter "Left and Right Front Treble Speaker -R20-/-R22-, Removing and Installing".

2 - Bolt

  • 2 Nm
  • Quantity: 2

3 - Left Front Treble Speaker -R20-/Right Front Treble Speaker -R22-, 9VS

  • Removing and installing. Refer to → Chapter "Left and Right Front Treble Speaker -R20-/-R22-, Removing and Installing, 9VS".

4 - Left Front Treble Speaker 2 -R220-/Right Front Treble Speaker 2 -R221-, 9VS

  • Removing and installing. Refer to → Chapter "Left and Right Front Treble Speaker 2 -R220-/-R221-, Removing and Installing".

5 - Pop Rivet

  • Refer to the Parts Catalog

6 - Left Effects Speaker -R209-/Right Effects Speaker -R210-, 9VS

  • Removing and installing. Refer to → Chapter "Left and Right Effects Speaker -R209-/-R210-, Removing and Installing, Sedan".

7 - Bolt

  • 2 Nm
  • Quantity: 2

8 - Subwoofer -R211-, 9VD, 9VS

  • Removing and installing. Refer to → Chapter "Subwoofer -R211-, Removing and Installing, Sedan".

9 - Bolt

  • 2 Nm
  • Quantity: 3

10 - Left Rear Treble Speaker -R14-/Right Rear Treble Speaker -R16-

  • Removing and installing. Refer to → Chapter "Left and Right Rear Treble Speaker -R14-/-R16-, Removing and Installing".

11 - Left Rear Bass Speaker -R15-/Right Rear Bass Speaker -R17-

  • Removing and installing. Refer to → Chapter "Left and Right Rear Bass Speaker -R15-/-R17-, Removing and Installing".

12 - Bolt

  • 3 Nm
  • Quantity: 3

13 - Left Front Bass Speaker -R21-/Right Front Bass Speaker -R23-

  • Removing and installing. Refer to → Chapter "Left and Right Front Bass Speaker -R21-/-R23-, Removing and Installing".

14 - Bolt

  • 3 Nm
  • Quantity: 4

15 - Left Front Midrange Speaker -R103-/Right Front Midrange Speaker -R104-, 9VS

  • Removing and installing. Refer to → Chapter "Front Midrange Speaker, Removing and Installing".

16 - Bolt

  • 2 Nm
  • Quantity: 2

17 - Center Speaker 2 -R219-, 9VS

  • Removing and installing. Refer to → Chapter "Center Speaker 2 -R219-, Removing and Installing, 9VS".

18 - Retainers

19 - Center Speaker -R208-, 9VD, 9VS

  • Removing and installing. Refer to → Chapter "Center Speaker -R208-, Removing and Installing, 9VD/9VS".

20 - Bolt

  • 2 Nm
  • Quantity: 2

Component Location Overview - Sound System, Speaker, Avant

Component Location Overview - Sound System, Speaker, Avant

1 - Left Front Treble Speaker -R20-/Right Front Treble Speaker -R22-, 8RM, 9VD

   - Left Front Midrange Speaker 2 -R276-/Right Front Midrange Speaker 2 -R277-, 9VS

  • Removing and installing. Refer to → Chapter "Left and Right Front Treble Speaker -R20-/-R22-, Removing and Installing".

2 - Bolt

  • 2 Nm
  • Quantity: 2

3 - Left Front Treble Speaker -R20-/Right Front Treble Speaker -R22-, 9VS

  • Removing and installing. Refer to → Chapter "Left and Right Front Treble Speaker -R20-/-R22-, Removing and Installing, 9VS".

4 - Left Front Treble Speaker 2 -R220-/Right Front Treble Speaker 2 -R221-, 9VS

  • Removing and installing. Refer to → Chapter "Left and Right Front Treble Speaker 2 -R220-/-R221-, Removing and Installing".

5 - Pop Rivet

  • Refer to the Parts Catalog

6 - Left Effects Speaker -R209-/Right Effects Speaker -R210-, 9VS

  • Removing and installing. Refer to → Chapter "Left and Right Effects Speaker -R209-/-R210-, Removing and Installing, Avant".

7 - Bolt

  • 2 Nm
  • Quantity: 2

8 - Subwoofer -R211-, 9VD, 9VS

  • Removing and installing. Refer to → Chapter "Subwoofer -R211-, Removing and Installing, Avant".

9 - Nut

  • 3 Nm
  • Quantity: 3

10 - Bolt

  • 10 Nm

11 - Left Rear Treble Speaker -R14-/Right Rear Treble Speaker -R16-

  • Removing and installing. Refer to → Chapter "Left and Right Rear Treble Speaker -R14-/-R16-, Removing and Installing".

12 - Left Rear Bass Speaker -R15-/Right Rear Bass Speaker -R17-

  • Removing and installing. Refer to → Chapter "Left and Right Rear Bass Speaker -R15-/-R17-, Removing and Installing".

13 - Bolt

  • 3 Nm
  • Quantity: 3

14 - Left Front Midrange Speaker -R103-/Right Front Midrange Speaker -R104-, 9VS

  • Removing and installing. Refer to → Chapter "Front Midrange Speaker, Removing and Installing".

15 - Bolt

  • 2 Nm
  • Quantity: 2

16 - Left Front Bass Speaker -R21-/Right Front Bass Speaker -R23-

  • Removing and installing. Refer to → Chapter "Left and Right Front Bass Speaker -R21-/-R23-, Removing and Installing".

17 - Bolt

  • 3 Nm
  • Quantity: 4

18 - Retainers

19 - Center Speaker 2 -R219-, 9VS

  • Removing and installing. Refer to → Chapter "Center Speaker 2 -R219-, Removing and Installing, 9VS".

20 - Center Speaker -R208-, 9VD, 9VS

  • Removing and installing. Refer to → Chapter "Center Speaker -R208-, Removing and Installing, 9VD/9VS".

21 - Bolt

  • 2 Nm
  • Quantity: 2

Component Location Overview - Sound System, Microphone, Amplifier

Component Location Overview - Sound System, Microphone, Amplifier

1 - Interior Microphone -R74-, 9VS

  • Removing and installing. Refer to → Chapter "Microphone Unit in Front Roof Module -R164-, Removing and Installing".

2 - Front Interior Lamp -W1-

  • Removing and installing. Refer to → Electrical Equipment; Rep. Gr.96; Controls; Front Interior/Reading Lamp, Removing and Installing.
  • With Microphone Unit in Front Roof Module -R164-
  • Removing and installing. Refer to → Chapter "Microphone Unit in Front Roof Module -R164-, Removing and Installing".

3 - Digital Sound System Control Module -J525-, 9VS

  • Connector assignment. Refer to → Wiring diagrams, Troubleshooting & Component locations.
  • Removing and installing. Refer to → Chapter "Control Module/Digital Sound System Amplifier, Removing and Installing".

4 - Bracket

  • 3 Nm
  • Nut, quantity 3

5 - Bolt

  • 6 Nm
  • Quantity: 2

    READ NEXT:

     Control Module/Digital Sound System Amplifier, Removing and Installing

    Special tools and workshop equipment required Fiber-Optic Repair Set - Connector Protective Caps -VAS6223/9-. The Digital Sound System Control Module -J525--1- is located behind the left luggage

     Left and Right Rear Treble Speaker -R14-/-R16-, Removing and Installing

    The Left Rear Treble Speaker -R14-/Right Rear Treble Speaker -R16--1- are inside the rear doors at the top. Removing and installing is identical. Removing - Turn off the ignition and all electr

     Front Midrange Speaker, Removing and Installing

    The Left Front Midrange Speaker -R103-/Right Front Midrange Speaker -R104--1- are located in the center of the front doors. Removing and installing is identical. Removing - Turn off the ignitio

    SEE MORE:

     Rearview Camera System, Calibrating

    Calibration Unit -VAS6350A-, Installing and Aligning After performing repair work on the vehicle, it may be necessary to re-calibrate the rearview camera system. In detail, this is the case after: Rearview Camera -R189- removal and installation Collision repairs on rear lid Changes to the axle

     Connection for External Multimedia Devices

    Overview - Connection for External Multimedia Devices There are several External Audio Source Connection -R199- versions: USB Charging - AUX IN, UE4 AMI (Audi music interface) - USB connection (quantity 2) - AUX IN/ASI, UI2/UE7 "USB charge" and "USB connection" are in the USB Connection Basep

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