Audi A3 8V Rear Center Low Bass Tweeter Speaker Subwoofer Unit 40W 8V0035382B

Audi A3 8V Rear Center Low Bass Tweeter Speaker Subwoofer Unit 40W is a factory audio system component, designed specifically for the rear interior of the Audi A3 8V generation. This subwoofer unit provides a noticeably fuller bass sound and better frequency response compared to the base audio configuration. Thanks to its original design from the Electronic control modules and drivers group, you maintain compatibility with the vehicle's installation and consistency with the factory electronics architecture.

Specifications and technical data

• SKU: 8V0035382B
• Mark: Audi
• Condition: Used
• OEM Part Number: 8V0035382B
• Substitutable numbers: 8V0035382B, 8V0 035 382 B
• Location on the vehicle: Rear
• Part type: AMP Controllers
• Category: ECUs & Computer Modules

Purpose and function in the audio system

The presented subwoofer is a rear center low-bass speaker designed for installation in the rear cabin area of the Audi A3 8V. It is responsible for generating low frequencies, relieving the other drivers and improving the dynamics of the entire sound system. The 40W rated power allows for stable operation under typical usage conditions, without overloading the factory amplifier and electrical installation. Thanks to its dedicated placement in the rear interior zone, the subwoofer creates a uniform acoustic field for passengers, which translates into a more balanced music experience during daily driving and on longer trips.

Integration with vehicle electronics

As a component from the Electronic control modules and drivers group, this subwoofer is designed to work with Audi's factory audio system control units. This means maintaining:

• correct impedance and power parameters in relation to the stock amplifier,
• consistency with the factory wiring harness and connectors,
• stable operation within the original onboard electronics configuration. Such integration reduces the risk of interference, unwanted noise, or diagnostic errors that may appear when using random replacements. The original Audi design also facilitates service and potential future diagnostics.

Vehicle placement and installation aspects

The subwoofer is intended for installation in the rear of the vehicle, in the central zone provided by the manufacturer. This placement ensures:

• optimal propagation of low-frequency waves in the cabin,
• preservation of factory cargo and passenger space ergonomics,
• easier service access in case of disassembly. The original fit for the Audi A3 8V allows for installation without the need to interfere with the body structure or electrical installation. This is a beneficial solution for users who want to restore the efficiency of the audio system or maintain the factory sound character after the previous component has been damaged.

Performance characteristics and advantages of use

Choosing this subwoofer as a replacement part in the Audi A3 8V allows you to maintain sound consistency with the other speakers in the vehicle. The appropriately selected 40W power and low-bass design ensure:

• better bass reproduction during daily use,
• lower distortion at higher volume levels,
• stable operation within the factory audio system. The used product is a good compromise between cost and maintaining original OEM quality, especially in the case of post-accident repairs or restoring full audio functionality after a failure.

Expert support and electronics selection

If you are considering using second-hand electronic components in your car and want to approach the selection of components consciously, it is worth reading the guide on our blog. Practical tips on choosing controllers, modules, and sensors can be found in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which will help you assess when used electronics are a reasonable and safe solution. If you are planning a comprehensive repair or upgrade of the electronic zone in your Audi and need other elements from the same group, such as control modules, comfort system drivers, or audio system components, check the available parts in the Audi electronic control modules and drivers category.