Audi A1 S1 8X Rear Door Speaker Bose Loudspeaker Left Right N/O/S 8X4035411A

Audi A1 S1 8X Rear Door Speaker Bose Loudspeaker Left Right is an original audio system component designed for installation in the rear doors of Audi A1 and S1 8X generation models. Thanks to its factory integration with the Bose sound system, it ensures consistent sound with other components and a precise fit to the door structure. This 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: 8X4035411A
• Mark: Audi
• Condition: Used
• OEM Part Number: 8X4035411A
• Substitutable numbers: 8X4035411A, 8X4 035 411 A
• Location on the vehicle: Rear, Right, Left
• Category: Door Panels

Purpose and installation compatibility

The presented speaker is intended for installation in the rear door on the left or right side in Audi A1 and S1 8X generation vehicles equipped with the Bose sound system. Its placement in the rear part of the cabin allows for maintaining the factory soundstage and the proper balance between the front and rear of the vehicle. The element has been designed as part of the original installation, which facilitates mounting in factory attachment points and connection to the existing electrical harness without the need for any modifications to the installation.

Technical characteristics and role in the audio system

The speaker works with the factory Bose amplifier, providing a properly tuned frequency response and the correct efficiency in the mid and lower frequency ranges typical for door speakers. As a result, sound consistency with other transducers in the vehicle is maintained, which translates into listening comfort during daily use. As a door-mounted element, the speaker works with the upholstery structure, creating a closed acoustic chamber. Proper fitment with the factory housing limits unwanted resonances and allows for maintaining stable operating parameters under various usage conditions.

Integration with door upholstery and vehicle interior

The product belongs to the Door Upholstery category, which emphasizes its close integration with the internal door structure. The speaker's design is adapted to standard Audi door panels, ensuring that the original interior look is preserved after installation and that the element does not require any interference with the upholstery. Proper alignment with factory mounts and covers minimizes the risk of looseness and unwanted noises while driving, which is important for both acoustics and the overall perception of interior quality.

Product condition and benefits of choosing a used part

The offered speaker is a used element, sourced from dismantling, which allows for an economical repair of the audio system while maintaining the manufacturer's original specifications. Choosing such a solution is particularly beneficial when you want to maintain the factory Bose sound system without having to use replacements with uncertain parameters. A used OEM component is also a way to maintain the consistency of the electrical and acoustic installation, which in practice translates into stable system operation and reduced risk of compatibility issues.

Application in service and audio system restoration

The speaker will prove useful in services specializing in the Audi brand, car audio workshops, and for individual repairs when it is necessary to replace a damaged transducer in the rear door. Due to its factory origin, it is a safe choice for restoring the full functionality of the Bose system without interfering with the original installation design. 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 panels, covers, or door cards, check out the available parts in the Audi Door Upholstery category.

Additional information and technical support

When selecting used interior equipment and electronic components, it is always worth paying attention to compatibility with the specific vehicle equipment version and the audio system used. It may be helpful to compare the markings on the part with the element originally installed in the car or to consult with a specialized service center. If you are interested in a broader context of using second-hand components in modern cars, including the principles of selection by manufacturer markings, practical installation examples, and compatibility issues, take a look at the guide Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.