Descripción del producto
The Active Sound Unit boost the original Sound of your Audi S4 TDI (Type B9 since 2019) with realistic V8 sound.
You'll find details about our Active Sound products here: Info!

Depending on your car, you'll be able to change the profile via the following options:

You'll find details about our Active Sound products here: Info!
Functions
The engine sound of your Audi S4 TDI B9 can be adjusted easily via app or original buttons after retrofitting. You'll find the following functions if you use the app:

There appear up to 6 profiles with 100 Engine-Launch stages, 100 Sound Characteristic stages, 150 volume stages and 3 profile change mechanisms.
Change profile
Depending on your car, you'll be able to change the profile via the following options:

Compatibility
The Active Sound Unit is compatible with the following Audi S4 TDI 8W/B9 models:
- Audi S4 TDI with factory Active Sound Exhaust: 255 kW (347 PS)
- Audi S4 TDI with factory Active Sound Exhaust: 251 kW (341 PS)
Items included in delivery
- Active Sound Unit
- Harness
Notice
- Not approved in the area of the road traffic act
- A detailed guide for the Application can be found in the download part of this homepage after placing the order.
- The images are just example pictures. Products may differ from delivery.
Video
Herstellerkennzeichnung
Nombre: Cete Automotive GmbH
dirección: Heidekoppel 16
Código postal / Ciudad: 24558 Henstedt-Ulzburg
Pais: DE
Teléfono: 040 22869798
Dirección de E-Mail: info@active-sound.eu
dirección: Heidekoppel 16
Código postal / Ciudad: 24558 Henstedt-Ulzburg
Pais: DE
Teléfono: 040 22869798
Dirección de E-Mail: info@active-sound.eu