Audi Q7 4M Rear Centre Subwoofer Boot Trunk Bass Loud Speaker Box 4M0035621F

Visual condition of the part

The product shows signs of use visible in the photos.

Audi Q7 4M Rear Centre Subwoofer Boot Trunk Bass Loud Speaker Box is an original bass speaker mounted in the rear of the vehicle, specifically designed to work within the factory boot enclosure. This component provides consistent low-frequency sound and stable audio system performance, serving as a functional addition to the rear interior. Thanks to its speaker box design, it is perfectly fitted to the luggage compartment, allowing you to maintain the vehicle's practicality.

Specifications and technical data

• SKU: 4M0035621F
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M0035621F
• Substitutable numbers: 4M0035621F, 4M0 035 621 F, 4M0035621M, 4M0 035 621 M
• Location on the vehicle: Rear
• Part type: Parcel Shelf
• Category: Parcel Shelves

Purpose and function in the Audi Q7 4M

The rear centre subwoofer is designed for installation in the rear section of the Audi Q7 4M generation, where it is responsible for handling low-frequency bands within the factory sound system. Its placement in the rear zone of the vehicle allows for even bass distribution throughout the cabin without overloading the front speakers.

As an element integrated with the boot trim, the bass speaker works with the factory audio installation, which facilitates easy connection and ensures compatibility with the vehicle's original configuration.

Enclosure design and boot integration

The subwoofer is built into a dedicated housing that serves as an acoustic box and a luggage compartment trim element. This design:

• ensures stable mounting in the rear of the vehicle,
• minimizes unwanted resonances and vibrations in the boot,
• allows for the preservation of luggage space functionality while maintaining proper sound quality.

Due to its fitment to the boot geometry, the subwoofer does not require any additional modifications to the trim, which is crucial when replacing components in a premium-class vehicle.

Application in the Parcel shelves and boot covers category

The presented subwoofer belongs to the group of elements related to the rear vehicle trim, such as Parcel shelves and boot covers. This means its design is intended for integration with luggage covers, side panels, and other components responsible for the organization and aesthetics of the cargo area. Replacing this element allows you to restore both the proper operation of the audio system and the consistent look of the rear interior.

Characteristics of the used part

The offered subwoofer is a used part sourced from dismantling, which in practice means it retains the original mounting and acoustic specifications intended by the manufacturer. This type of component is a good solution for servicing a factory sound system when you want to maintain compatibility with the equipment installed in the Audi on the production line.

Compatibility and part identification

The element features an original Audi part number and interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration. Before purchasing, it is recommended to compare the markings with the data in your vehicle or service documentation to ensure a correct fit for your specific Audi Q7 4M.

If you are planning a comprehensive repair or upgrade of the boot area in your Audi and need other elements from the same group, such as covers, guides, or additional panels, check out the available parts in the Audi parcel shelves and boot covers category.

For a comparison of solutions used in other premium-class cars and a better understanding of the evolution of equipment and audio-interior components, it is worth reading the article describing the development of flagship Mercedes models – you can find it here: Evolution of the Mercedes S-Class: from W140 to W222 – innovations and parts over the years.