Active sound system for Audi A4 8K including app control

Complete Active Sound retrofit kit for Audi A4 8K 2.0l TDI including Bluetooth control.

The complete Active Sound retrofit system for the Audi A4 8K 2.0l TDI, including Bluetooth control, gives your vehicle a distinctive exhaust sound. Your car will have a unique sound profile, individually tailored to your driving style and taste. You can clearly hear the difference in sound even when stationary!

After installing the Active Sound retrofit system, you can adjust the sound in the interior yourself using the installed controls and fine-tune it with a convenient app on your smartphone.

Scope of delivery:

1x sound actuator
1x Active Sound Unit BLE (Bluetooth)
1x wiring harness

Note: Please observe the regulations of the German Road Traffic Act (StVO)!

We receive a large number of custom orders and inquiries daily, so it's not always possible for us to have every item in stock at all times. If you need the item urgently, please contact us. here to our sales team, to check stock levels before making your purchase.

We completely understand if you are unsure whether a part is compatible with your car. Therefore, we strongly recommend that you contact your vehicle manufacturer here. Inquiry to us Please contact us. Our friendly sales team will then get in touch with you to confirm if this part is the correct one you are looking for.

All our products come with a standard 2-year warranty. However, this depends on the type of product. See details below. here.

At Upgrade my Car (R-Trade GmbH), we place great importance on fully informing our customers about the intended use of our products. Please note that, unless otherwise specified, all our products are specifically designed for professional racing use. They are intended exclusively for use in competitions on racetracks sanctioned by an officially recognized racing organization. We would like to point out that any use of our products outside of these conditions, including recreational off-road driving, may potentially violate local, state, or federal laws. It is important to understand that Upgrade my Car (R-Trade GmbH) assumes no liability for the legality of using our products on public roads. The responsibility for complying with applicable laws lies solely with the purchaser. We strongly recommend that our customers familiarize themselves with and comply with the relevant legal regulations before using our products.