Audison Prima Direct Fit Under Seat 4 Ohm Subwoofer for BMW and Mini APBMW S8-4. Elevate your car audio experience with the Audison Prima S8-4 8 inch Car Subwoofer, designed for music lovers who crave powerful bass. This top-of-the-line subwoofer from Audison boasts impressive features such as Output Stage, Bass Box, and Bass Roll for an unparalleled sound experience. , impedance (4), and RMS Power (150 W) make it a perfect fit for your car, whether you want to place it under your seat, in the spare wheel recess, or in the boot. The Audison Prima S8-4 Car Subwoofer comes in classic black and is compatible with a variety of vehicle brands and models. Its high-quality sound performance, combined with its sleek design and versatile placement options, make it a must-have for any music enthusiast looking to enhance their car audio.