STX828S Dual 18" Bass Reflex Subwoofer | STX828S Dual 18" Bass Reflex Subwoofer A dual 18" high power subwoofer system in a front-loaded, vented enclosure designed for maximum low-frequency... | By DEV
JBL STX828S 18" 8000W Dual Bass Reflex Subwoofer - Black for sale online | eBay
New STX800 Series Portable Loudspeakers From JBL Professional At Prolight+Sound 2012 - ProSoundWeb