The new ZX1-Sub is optimized for performance with a variety of EV loudspeakers, including ZX1, EVID, and EVU models, and will add a deep low-frequency punch that you can feel as well as hear. An ideal choice to complete a wide range of smaller fixed installations or live sound systems.- 15-mm plywood enclosure, internally braced, with textured paint- EVS-12S 12"" woofer for powerful, engaging bass response- Pole mount for full-range systems