KENWOOD KSC SW11 KENWOOD Sale! from £124.96 Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Amplified Subwoofer Box. 150w. Includes Remote Control Enclosure size (BxHxD) 190 x 70 x 280 mm ACTIVE SUBWOOFER SPEAKER / SUBS / AMPS Tweet