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Sound Booster FAQ
frequently asked questions

FAQ - Sound Booster - General

On which cars can a Sound Booster get retrofitted? Is this possible on my car?

In general you can install the KUFATEC Sound Booster Pro on every car, which has a motor CAN-Bus. You either need enough space at the underbody of the car or in the spare wheel recess.
The right Sound Booster for you

How much does a Sound Booster cost?

The price depends on the set you need to install. If you want to boost your already built-in Sound generator ex works, it will be cheaper as a complete retrofit.

If we already offer a specific set for your car model, we sell it in our shop with the respective price. Please send us an E-Mail or use our contact form, if you want an offer or ask for a test installation.
Determine the right set for your car

How or where is the Sound Booster installed?

The sound generator is installed at the underbody of the car. If there isn't enough space, it can be installed inside the spare wheel recess. The Modules are assembled in the inside and get connected.

What size is the sound generator?

The spheric sound generator has a perimeter about 64 cm, a diameter of around 20 cm and a height of ca. 16 cm.

Will the sound generator get installed into the exhaust?

No, the Sound Booster is not integrated into the exhaust. This makes the Active Sound System easy to remove again.

Am I able to install the Sound Booster by myself or do I need to visit a specialist workshop?

This depends on the kit you want to install. The vehicle specific kit can be installed by you. The universal kit needs to be welded, so it might be secure to let it be installed by a specialist workshop.
Have a look in our ist of kits

Is the system visibly?

No, the system is installed at the underbody of the car and doesn’t change the original look at all.

Do I hear the sound also inside my car?

Yes, depending on the respective sound profile.

Do I automatically need two sound generators if I have a duplex system?

No, this has nothing to do with it.

Can I control the system with my navigation system / MMI / CIC etc.?

Yes, we provide already some specific control opportunities. For example with cruise control or Drive Select from A3 8V, A8 4H and Q7 4M.
Have a look at our list of control possibilities:
Control opportunities

Does the push button necessarily needs to be installed in the front area?

If you want to turn the Active Sound System on and off while driving, then you should put it in the front area of course. If you don’t want this option, you can lay it somewhere else.

Can I control the Sound Booster with another button in the car?

Yes on certain car makes and models. You can find our current prospects below:
All handling possibilities

How many sound levels are available?

You can save up to 6 individual sound profiles with the KUFATEC Sound Booster Pro Software for every speed. You are also able to deactivate the profiles.
Have a look on our software

How the sound levels differ?

The standard profiles get more intense and louder with every profile. The software enables you to set your own profiles and its sound.

Can I deactivate tone profiles?

Yes, you can deactivate profile 1–5, which enables only profile 0 and 6 (ON and OFF).

Can I turn off the system?

Yes, the system can be turned off with the button.

Can I install two sound generators?

Yes, if there is enough space at your cars underbody or in the spare wheel recess you can install a second sound generator with the KUFATEC Extension Set.

Where can I let install the Sound Booster System?

You can let the Sound Booster be installed at any specialist workshop. We also have installation partners, who already know the system very well.
Find an installation partner nearby

The Sound Booster is not working after installation. Where is the error? Defective module?

There are some little errors which can happen on pinning after the installation of the Active Sound System. With the help of the LED status display you can solve some problems by yourself.

Have a look at our helping site with frequently error sources and how you can solve them:

I retrofitted the universal kit on my Audi and do not have any sound now. Why?

If you installed the system on a Audi A8 4H, A6 4G, A7 4G you have to encode this:
Address 09 Byte 11: Set Bit 6 to 1.

After successful encoding the Sound Boost while motor starting in dynamic mode is activated or can be activated in the individual mode, if the settings for Motor/Gear and motor sound are set to dynamic.

The retrofit kit by Audi for the A4/A5 is not getting louder with the KUFATEC module. Why?

The retrofit kit by Audi for the A4 8K and A5 8T has a setting, which keep the volume at a certain level.

We can cancel the reduction. Get the following update (complete update) in our shop and send in the control unit to us.

How can I control the system? (Via App, Cruise Control lever etc.?)

Sound settings can be made with our free Sound Booster Pro software or with the mobile app. If you want to change profiles on the way or switch the system on and off, either with the standard button, on the Sound Booster remote control, if possible, on the cruise control or other existing buttons of your vehicle and of course with the smartphone app.

Do I have to encode my vehicle after installation?

No, you do not need to encode anything.

Is there a TÜV (Technical Supervisory Association) assessment for the registration?

No, in Germany the system is not allowed in traffic (Road Traffic Licensing Regulations). For other countries, please observe the applicable laws for vehicle registration.

FAQ - Sound Booster - Software / App

Do I need to purchase the program? If yes, what’s the price?

No, the software is completely free and everyone with a KUFATEC Sound Booster can download the APP.

Where do I get the software to change the sound profiles?

You can download the software on this website. Just visit our download site. The smartphone app is available in the Google Play Store or Apple App Store.

Download at Google Play Store
Download at App Store

Which operating systems are supported?

The software is supported by these operating systems:

  • Windows XP SP3
  • Windows Vista
  • Windows 7
  • Windows 8
  • Windows 8.1
  • Windows 10

The system is now usable on MAC as well!

The App:

  • from Android 7.0
  • from iOS 10.1

How do I connect the software to my car?

With a mini USB cable and a computer.

Can I hear changes instantly?

Yes. If you change one or more points you can click on “test” and accelerate using the virtual gas pedal with ignition on or with the gas pedal of your car.

Which settings can I do with the software / APP?

You can change all available profiles with the software.

Current functions are:

  • Profiles activate / deactivate
  • Power-Start-settings
  • Settings for non round at idle
  • Illustration of the tone characteristics of the module via speed and volume diagram

On the one hand you can set the volume in the respective speed section (0–100%), on the other hand you can additional map the real speed to a virtual speed.

Which advantages do I have in contrast to already existing system on the market?

You can make very detailed settings and save up to 6 sound profiles. Therefore you can generate a special tone for every speed. For example you create a “motorway profile” in which the volume is set down at a speed of 130 km/h. Other apps only allow an increase or decrease in volume for the whole sound.

Additional you can download certain profiles for and from others on this website.

Can I set additional tone profiles or will the existing be deleted?

You can save up to 6 profiles. You can edit the profiles as much you want and can reset them to factory settings to get the standard sounds back.

Can I use the software also on my already built-in ex works sound system (Audi)?

As soon you have installed our KUFATEC Module, you can use the software on that too.

Does the software works with older models (software and car model)?

The software works for every car model which have a KUFATEC Sound Booster Module with the hardware 29/15. At the same time a minimum software status of 2.15 is required. If this isn’t the case, you can update the system via the USB port.

If you have an older hardware level as 29/15, you can purchase and download a hardware update in our shop.
Get the hardware update here

The smartphone app only works with the Blue Sound Booster Module that has Bluetooth.
You can also have a hardware update done here:

Hardware update for Bluetooth

Where do I get notifications about new updates?

You’ll find new updates on this website (Download area) or with a click on the update button in the software.

Is there an advice for a good sound profile?

A good sound profile is, of course, subjective. In principle the profile has to be adjusted with the volume and the possible speed translation to the respective vehicle.

Find some examples in the download section.

Can I deactivate the Sound Booster at a certain speed? For example on the motorway?

Yes, you can individually adjust the system to your speed.

Can I also download ready-made profiles?

Yes, you can download ready-made profiles on this website in the download section.
Visit the download area

Can I accidentally ruin my sound with wrong settings?

No, you can always reset the settings to the factory ones. Even unsuccessful updates can’t delete or damage the software.

On which devices can I use the Software / App?

The software is best usable at laptops and desktop computers. We support Windows and Mac.
The App can be used on smartphones and tablets with Android or Mac.

Can I use the software with the smartphone?

Yes, you can use our KUFATEC Link app to control your Sound Booster.

Download at Google Play Store
Download at App Store


Android: device can not be found

For Android devices, location sharing is required and must be allowed to be accessed by the app.
For some devices, the location localization must be additionally activated if no devices are found in the list.

We do not use location data - this is a problem by Google for providing users with greater data protection since Android 6.0.

The location sharing needs to be

  1. activated in the Bluetooth settings of the phone (picture 1)
  2. allowed in the app (picture 2)
Bluetooth-Einstellungen Standortzugriff zulassen
Picture 2

Android 9: Find Low Energy Devices

The localization and the GPS location must be activated in the phone so that Android 9 can find Bluetooth Low Energy devices.

FAQ - Sound Booster - Downloads

What is the firmware?

The firmware is the operating system of the software.

Why is the installation of the driver necessary?

Unfortunately there only are drivers from Windows 10 for the Hardware. That’s why an installation is necessary if you use one of following operating system:

Drivers are needed for:

  • Windows XP SP3
  • Windows Vista
  • Windows 7
  • Windows 8
  • Windows 8.1

If you couldn't find an answer in the frequently asked questions, you can ask us directly instead.
Use our contact form or our Sound Booster Pro Hotline: +49 (0) 4551 80 810 888