Audi A6 C8 Subwoofer Loudspeaker Boot Trunk Speaker Rear Right O/S 4K0035913

Audi A6 C8 Subwoofer Loudspeaker Boot Trunk Speaker Rear Right is an original audio component designed for installation in the rear right section of the trunk. As a component of the factory Audi audio system, it ensures consistent sound quality, proper fitment, and stable operation under demanding operating conditions. It is a practical solution for users who want to restore full functionality to their audio system or replace a missing installation component.

Specifications and technical data

• SKU: 4K0035913
• Mark: Audi
• Condition: Used
• OEM Part Number: 4K0035913
• Substitutable numbers: 4K0035913, 4K0 035 913
• Location on the vehicle: Rear, Right
• Part type: Speaker Cover
• Category: Trim

Purpose and vehicle placement

The presented subwoofer is designed to operate in the rear right section of the trunk, which allows for efficient use of space and proper dispersion of low frequencies within the cabin. Its placement in the trunk minimizes the transfer of vibrations to interior elements while supporting an even distribution of sound throughout the rear zone of the vehicle. The dedicated location in the vehicle facilitates installation – the subwoofer works with factory mounting points and the electrical wiring, which minimizes the need for modifications. This preserves the integrity of the body structure and the aesthetics of the trunk finish.

Technical and functional characteristics

As an OEM-class audio system component, the subwoofer has been adapted to the parameters of the factory amplifier and other speakers in the Audi A6 C8. The appropriately selected low-frequency response allows for a clearer, more dynamic bass without overloading the other transducers. Key advantages of this solution include:

• Acoustic consistency with other speakers in the vehicle – no "foreign" sound effect.
• Compatibility with the factory installation – wires, connectors, and mounting methods are consistent with the vehicle's design.
• Stable operation in the trunk enclosure – optimized housing and mounting method. This approach ensures predictable audio system behavior after replacing the component, without the need for additional configuration or tuning.

Component condition and practical application

The subwoofer comes from disassembly and is offered as a used original component. For many users, this is a reasonable compromise between cost and quality – you retain the factory fitment and performance characteristics while avoiding the risks associated with random replacements of unknown parameters. The component will be particularly useful in situations where:

• the factory speaker has been damaged due to overload or water ingress,
• the vehicle is missing a subwoofer following previous removal,
• you want to restore full audio system functionality after body and paint repairs in the rear part of the vehicle. Choosing an original component allows you to maintain the sound characteristics intended by the manufacturer and compatibility with the vehicle's electronics.

Interior integration and equipment category

The subwoofer belongs to the group of elements referred to as Trims, decorative strips, and ornaments, which emphasizes its role in the cohesive trunk layout. The design is prepared so that after installation, it maintains the aesthetic appearance of the cargo area without any protruding or random audio components. If you are planning a comprehensive repair or upgrade of the trunk area in your Audi and need other elements from the same group, such as covers, overlays, or additional strips, check the available parts in the Audi Trims, decorative strips, and ornaments category.

Safe selection of used components

When choosing used interior and audio equipment, it is worth considering not only the price but also the origin and compatibility with the specific model version. A good practice is to compare part numbers, the type of audio installation, and the vehicle's additional equipment to avoid problems with installation or system operation. If you want to better understand what to look for when buying used components from disassembly and how to safely save money on repairs, the following article may be helpful: Fuel dosing problems: what to look for when buying a used injection pump and fuel rails?. Although it concerns the fuel system, it addresses universal issues related to the selection of used parts. Additional arguments for choosing original parts from disassembly are also provided in the guide Why do original parts from disassembly fit better (and last longer) than cheap equivalents?, which discusses, among other things, issues of fitment, durability, and operational safety.

Summary

Audi A6 C8 Subwoofer Loudspeaker Boot Trunk Speaker Rear Right is a practical solution for drivers who want to restore or maintain the factory sound quality in their car. The original design, dedicated placement in the rear right section of the trunk, and compatibility with the Audi audio system make it a functional choice for repairing or supplementing vehicle equipment.