Audi A5 S5 8T A4 S4 B8 Low Tone Horn Alarm Singal Sound 8K0951221

Audi A5 S5 8T A4 S4 B8 Low Tone Horn Alarm Singal Sound is an original component from the Switches, control elements and ignition switches group, designed for acoustic warning systems in Audi vehicles. It provides a clear, low-tone sound signal, consistent with the factory acoustic characteristics of the A4 B8, A5 8T, S4, and S5 models.

Specifications and technical data

• SKU: 8T0951230C
• Mark: Audi
• Condition: Used
• OEM Part Number: 8T0951230C
• Substitutable numbers: 8T0951230C, 8T0 951 230 C, 8K0951221, 8K0 951 221
• Part type: Switch Assembly
• Category: Switches & Controls

Purpose and function of the low-tone horn

The presented sound signal is responsible for generating a low acoustic band, which, when combined with a potential high-tone horn, creates a full, clearly audible warning on the road. The component is designed to work with the factory Audi electrical installation, ensuring it maintains the correct volume and sound quality parameters. Choosing an original sound signal is important not only for user comfort but also for compliance with homologation requirements and the stable operation of the vehicle's control system.

Construction and integration with the control system

The low-tone horn from this series is an electrical component that works with the control system located within the steering wheel and steering column, which is the area covered by the Switches, control elements and ignition switches category. When the signal button on the steering wheel is pressed, the control modules transmit power to the horn, which generates the appropriate warning sound. The original design ensures a proper fit with factory mounting brackets and compatibility with the wiring harness, which facilitates installation and reduces the risk of incorrect connection.

Benefits of using an original Audi signal

Using an original low-tone horn in an Audi A4 B8, A5 8T, S4, and S5 allows you to maintain:

• acoustic consistency with the factory sound signal,
• proper cooperation with the control system within the steering wheel and ignition switch,
• appropriate volume level and clarity of the signal in traffic,
• compatibility with factory brackets and the vehicle's electrical installation. This used component is a good choice for users who want to restore full functionality of the sound signal while keeping costs reasonable, all while benefiting from original Audi quality.

Selection, compatibility, and reference numbers

This horn model has an assigned OEM part number and associated interchangeable numbers, which facilitates precise identification in Audi catalogs and comparison with the component currently installed in the vehicle. When selecting, it is worth paying attention to the compatibility with the body generation (A4 B8, A5 8T, S4, S5) and the configuration of the sound signal system in a specific car model. To better understand how to safely select used components and verify their compliance with OEM numbers, it is worth reading the guide: how to professionally select used car parts.

Practical installation tips and application area

Replacing the low-tone horn in an Audi usually requires access from the bumper or wheel arch side, depending on the specific vehicle configuration. Due to its connection with the control system within the steering wheel and ignition switch, it is important to maintain correct wire polarity and ensure the component is securely fastened to avoid vibrations and unwanted resonances. If you are planning a comprehensive repair or upgrade of the signal and lighting control area in your Audi and need other components from the same group, such as levers, control modules, or ignition switch elements, check out the available parts in the Audi switches, control elements and ignition switches category. For drivers who are simultaneously diagnosing noises within the exhaust system or other sound symptoms of malfunctions, an article describing typical symptoms and the selection of original used components may be helpful: loud exhaust operation – when is it worth replacing the muffler and exhaust system components with original used parts.