Audi TT FV Rear Door Bass Loudspeaker Left Right N/O/S 8S0035411B

Audi TT FV Rear Door Bass Loudspeaker Left Right is an original sound system component designed for installation in the rear door on either the left or right side. Thanks to its factory origin from the Audi brand, it ensures consistent sound quality with the other speakers and a precise fit to the door structure and upholstery. It is a practical solution both for replacing a damaged speaker and for restoring the full functionality of the factory audio system.

Specifications and technical data

• SKU: 8S0035411A
• Mark: Audi
• Condition: Used
• OEM Part Number: 8S0035411A
• Substitutable numbers: 8S0035411A, 8S0 035 411 A
• Location on the vehicle: Rear, Right, Left
• Category: Door Panels

Purpose and vehicle placement

The presented bass loudspeaker is designed to operate in the rear of the cabin, within the passenger doors. The design is intended for installation on both the left and right sides, which facilitates component selection during repairs and reduces the risk of installation errors. Its placement in the lower area of the door upholstery allows for effective low-frequency generation, supporting the factory acoustic characteristics of the Audi TT FV interior.

Technical and functional characteristics

As a bass loudspeaker operating in the rear doors, the component is responsible for reproducing low and lower-mid frequencies, relieving the other transducers in the audio system. This results in a more balanced sound, better dynamics, and clearer, stable bass during daily use. The use of the original Audi design ensures:

• proper fitment with the factory door upholstery,
• compatibility with the serial electrical installation and connectors,
• appropriate basket and diaphragm stiffness, matched for operation in the door as an acoustic enclosure.

Such a solution reduces unwanted resonances and allows for maintaining the predictable performance parameters of the entire sound system.

Integration with Audi TT FV door upholstery

The speaker works with elements from the Door Upholstery group, creating a cohesive acoustic and finishing module. The appropriately selected shape and mounting points allow for installation without interfering with the door structure, which is essential for maintaining airtightness, eliminating rattles, and ensuring the correct operation of seals and trim panels. Thanks to this, after replacing the speaker, you can maintain factory acoustic comfort and interior aesthetics without additional modifications.

Condition, origin, and service application

The item is offered as an original Audi aftermarket part, which allows for economical repair while maintaining factory specifications. Such a speaker will prove particularly useful in situations where:

• the existing transducer has suffered mechanical damage (torn diaphragm, seizure),
• there is sound distortion or interruptions in bass reproduction from the rear doors,
• it is necessary to restore full audio system functionality after bodywork and paint repairs.

Using an original component reduces the risk of compatibility issues and eliminates the need for installation adaptations or upholstery modifications.

Benefits of choosing an original bass loudspeaker

By choosing this model, you gain primarily acoustic consistency with the factory sound system and the certainty of a perfect fit for the Audi TT FV door structure. It is a solution that allows you to restore listening comfort, preserve interior aesthetics, and avoid the compromises typical of universal replacements. For users who value original manufacturer solutions, this is a practical way to keep the car in a configuration close to its original state.

If you are planning a comprehensive repair or upgrade of the door area in your Audi and need other elements from the same group, such as trim panels, door cards, or mounting covers, check the available parts in the Audi Door Upholstery category.

When planning broader service work on the vehicle, it is also worth reading the guide on the cost-effectiveness of purchasing used drivetrain components – you can find practical tips in the article Used gearbox – when is it worth it and what you need to remember.