JBL STX818S Passive 18" Bass Reflex Subwoofer

The STX818S Passive 18" Bass Reflex Subwoofer by JBL is a compact, high-power low frequency system capable of handling 1,000W of continuous power. It's rated at 2,000W of program power and 4,000W of peak handling. The 18" Super Vented Gap Cooled woofer is front-loaded into the vented enclosure. The system offers input connection flexibility for compatibility with a variety of cabling schemes. A recessed, external switch allows selection of either contacts +1/-1 or +2/-2.