Seat Exeo Audio Amplifier Bose Subwoofer Trunk Bass Speaker Module 3R0035382A

Seat Exeo Audio Amplifier Subwoofer Module Bose in the trunk is a factory element of the sound system, designed specifically to work with the audio installation in the Seat Exeo model. This used module allows for the restoration of proper subwoofer operation in the rear of the vehicle, ensuring stable signal amplification and cohesive sound for the entire Bose system. Thanks to its original design, it is a safe service solution for demanding users.

Specifications and technical data

• SKU: 3R0035382A-1
• Mark: Seat
• Condition: Used
• OEM Part Number: 3R0035382A
• Substitutable numbers: 3R0035382A, 3R0 035 382 A, 322801001Q08027, 12280121
• Location on the vehicle: Rear
• Category: Door Panels

Purpose and Function of the Bose Amplifier

The presented audio amplifier serves as a dedicated control module for the subwoofer located in the rear of the car. It is responsible for:

• amplifying the low-frequency signal supplied from the audio control unit,
• properly powering the bass speaker in the trunk,
• maintaining consistent operating parameters of the Bose system across the entire low-frequency range.

Thanks to this solution, the driver and passengers receive stable, controlled bass, without overloading other elements of the audio installation.

Integration with the Rear Vehicle Installation

The amplifier is designed for installation in the rear zone of the body, in close proximity to the subwoofer. This placement minimizes signal loss on the wires, facilitates servicing, and allows for the preservation of the factory wiring harness routing. The module works with the original Seat installation, which promotes:

• compliance with factory wiring,
• minimal interference with the interior structure,
• maintaining the aesthetics of the trunk without additional modifications.

This approach is particularly beneficial for repairing Bose systems, where component consistency is crucial for the final acoustic effect.

Characteristics of the Used Component

The offered amplifier is a used element, sourced from dismantling, intended for reinstallation in a vehicle. This type of component is a good choice when:

• the original module has suffered electrical or mechanical damage,
• there are problems with the subwoofer's operation in the trunk,
• you want to maintain the factory configuration of the Bose system without using universal replacements.

Choosing an original, used amplifier allows for maintaining compliance with the factory parameters of the sound system, which is important both from the perspective of sound quality and reliability.

Application in Service and Audio Upgrades

The module is suitable for both classic repairs of a damaged system and for restoring the full Bose configuration after previous modifications. It can be used when:

• you are restoring the original audio system after the removal of non-factory solutions,
• you are completing a missing element of the installation in the rear of the vehicle,
• you are diagnosing sound dropouts or distortions in the subwoofer channel.

Relying on a factory module helps avoid compatibility issues and simplifies subsequent audio system diagnostics.

Seat Door Trims – Expanding the Acoustic Zone

If you are planning a comprehensive repair or upgrade of the acoustic zone in your Seat and need other elements from the same group, such as side panels, inserts, or mounting covers, check the available parts in the Seat Door Trims category.

For drivers interested in a broader approach to the operation and repair of electrical systems in their car, practical tips on power component work can be found in the article “When is it Worth Replacing an Alternator with a Used One: A Practical Guide for Drivers”, which helps to better understand the dependencies between the condition of the installation and the operation of onboard equipment.