Audi A4 B7 Front Bose Door Speaker Subwoofer Left Right N/O/S 4E0035411

Audi A4 B7 Front Bose Door Speaker Subwoofer Left Right N/O/S is an original audio system component designed for installation in the front driver or passenger side door. Thanks to its factory integration with the Bose sound system, it ensures consistent sound quality with other components and maintains the original character of the interior. This is the ideal solution for users who want to restore the audio configuration in their Audi in a technically correct manner.

Specifications and technical data

• SKU: 4E0035411
• Mark: Audi
• Condition: Used
• OEM Part Number: 4E0035411
• Substitutable numbers: 4E0035411, 4E0 035 411
• Location on the vehicle: Front, Left, Right
• Category: Door Panels

Purpose and fitment for Audi A4 B7

The presented speaker is a component of the factory Bose sound system installed in the Audi A4 B7 generation model. It has been designed for operation in the front doors, with the possibility of installation on both the left and right sides, which facilitates selection when replacing a single speaker. The construction, based on OEM solutions, allows for maintaining the original cabin acoustics and ensures a proper fit to factory mounts and the electrical wiring harness.

Construction and acoustic characteristics

The Bose door speaker in the Audi A4 B7 is responsible for reproducing the main audio range in the front part of the cabin. The applied Bose technology ensures precise reproduction of mid-tones and properly controlled bass, which translates into clear sound during daily use. The speaker housing and basket are adapted for operation in the door, taking into account the conditions prevailing in this area of the body, such as temperature changes or vibrations.

Thanks to the factory design, the speaker works with the stock amplifier and audio installation without the need for additional adapters or modifications to the wiring. This allows for maintaining stable operating parameters and reduces the risk of improper loading of the sound system.

Front door installation – technical aspects

Placement in the front door zone requires a component with a properly selected diameter, mounting depth, and mounting point spacing. This speaker has been designed specifically for these requirements, which facilitates installation in factory openings without bodywork modifications or interference with the upholstery. Installation comes down to correctly seating it in the factory location and connecting it to the original wiring harness.

Such a solution is particularly beneficial in the case of post-accident repairs, replacing a damaged speaker after water ingress, or restoring the full functionality of the Bose system after previous modifications. Maintaining the original configuration promotes stable operation of the entire audio system and minimizes the risk of unwanted resonances or distortions.

Benefits of using an original Bose speaker

Using a factory Bose door speaker in the Audi A4 B7 allows you to:

• maintain sound consistency with other audio system components,
• preserve full compatibility with the stock amplifier and installation,
• avoid mechanical fitment issues in the door,
• restore proper sound system operation after one of the speakers is damaged.

For users who care about maintaining the factory character of the interior and predictable operating parameters, choosing an original component is a technically safe and functionally predictable solution.

Audi door upholstery – expansion and repairs

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 door panels, speaker reinforcements, or additional mounting covers, check out the available parts in the Audi door upholstery category.

Additional technical materials

If you are interested in more advanced issues related to component selection, OEM compatibility, and proper installation of elements in mechanical and cooling systems, our guide regarding the secondary market and verifying parts before purchase may be helpful: BMW B58 code – checklist before buying a turbocharger and intercooler.