Features This JMPSW800 amplified sub woofer from Jensen provides a maximum power handling of 200 watts. The 12V sub woofer offers a slim design with built-in amplification to enhance your music listening experience. Black anodized all aluminum enclosure includes mate-in-lock connectors for easy vertical or horizontal mounting. Low-line level inputs. 60Hz-200Hz frequency. 10-amp maximum current draw. Dimension - 13.6 W x 10.4 H x 2.9 D in.