Basser is a quality Polish manufacturer of MDF products. It specializes in the production of high-quality MDF speaker bases, produces a wide range of universal enclosures for various subwoofer diameters, and also focuses on the production of OEM enclosures for various car models. Basser OEM enclosures are most often installed in the left wheel arch, but you can also find other variants, e.g. in place of the spare wheel.