BMW 3 Series 2020 Bass Box Subwoofer Enclosure Speaker Housing (SM-117)

Custom-fit bass box enclosure for 2020 BMW 3 Series. Designed for enhanced low-frequency performance and seamless OEM installation.


Upgrade your BMW 3 Series (2020) audio system with this custom-fit bass box subwoofer enclosure, engineered to deliver powerful and clean low-frequency output.

Designed specifically for BMW’s factory layout, this enclosure ensures a perfect fit without compromising interior space or factory aesthetics. It provides the ideal acoustic environment for subwoofers, allowing deeper bass response, tighter sound reproduction, and improved overall audio clarity.

Constructed from high-quality, durable materials, this bass box is built to handle vibration, heat, and long-term use. The precision design ensures proper alignment and secure mounting, making installation straightforward and reliable.