Audi A8L 4H Door Speaker Bose Rear Left N/S 4H1035401A

Audi A8L 4H Door Speaker Bose Rear Left N/S is an original audio system component designed for installation in the rear doors of a luxury Audi limousine. Thanks to its factory-fit design for door upholstery and compatibility with the Bose sound system, the speaker ensures acoustic and aesthetic consistency with other interior components. This is a solution for users who expect stable sound quality and the preservation of the original equipment configuration.

Specifications and technical data

• SKU: 4H1035401A
• Mark: Audi
• Condition: Used
• OEM Part Number: 4H1035401A
• Substitutable numbers: 4H1035401A, 4H1 035 401 A
• Location on the vehicle: Rear, Right, Left
• Category: Door Panels

Purpose and vehicle placement

The presented speaker is designed for installation in the rear part of the cabin, within the door upholstery. The construction allows for use on both the left and right sides of the vehicle's rear axle, which facilitates fitting to a specific body configuration. Such placement supports an even distribution of the soundstage in the second row of seats, which is particularly important in high-end vehicles.

Integration with door upholstery and the Bose system

The speaker has been designed as a component that works with the factory Door upholstery, ensuring proper fitment with side panels and grilles. The appropriately selected geometry of the basket and mounting points limits the transfer of unwanted vibrations to the door skin, which translates into more stable diaphragm operation and more precise reproduction of the acoustic band.

Compatibility with the Bose system means that the speaker's parameters are matched to the factory amplifier and sound processor used in the Audi A8L. This allows for maintaining consistency in sound characteristics without the need for interference with the electrical installation or onboard electronics configuration.

Performance characteristics and installation advantages

As an original Audi component, the speaker provides:

• compatibility with factory wiring and connectors in the doors,
• fitment to factory mounting points in the door structure,
• preservation of uniform interior aesthetics without the need for upholstery modifications.

The used nature of the component allows for an economical replacement of a damaged speaker while maintaining the vehicle's original specifications. This is a practical solution in situations where a single audio channel has failed or mechanical damage has occurred within the door area.

Application in service and interior restoration

The speaker will prove useful both during standard audio system repairs and during broader interior restoration work involving the removal of door upholstery. The ability to install it in the rear left or right zone helps technicians optimize the repair process and reduces the number of part variants needed in stock.

If you are planning a comprehensive repair or upgrade of the door zone in your Audi and need other elements from the same group, such as side panels, decorative inserts, or grille mounts, check out the available parts in the Audi door upholstery category.

Practical operational tips

When replacing a door speaker, it is worth paying attention to the condition of seals, upholstery mounts, and any signs of moisture in the lower part of the panel. Proper fastening and tightening of components limit resonances and unwanted rattling during audio system operation. In the case of intensively used vehicles, regular inspection of the door installation condition allows for maintaining stable acoustic parameters in the long term.

Additional information on the impact of operating conditions on vehicle components and ways to optimize service costs can be found in the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings, which discusses a practical approach to using second-hand components in vehicles.