SW U4 is an extremely powerful active subwoofer with a down-firing proprietary 10″ woofer for a unique distribution of lower frequencies and versatile placement possibilities within your listening environment. The built-in amplifier delivers 225 W of a high-power bass and will be an incredible addition to your choice of all U-Line products.

The basic version of the SW U4 finish is black, silver or white paint. As an option the loudspeaker cabinet may come in real wood veneer or high-gloss finishes.