JBL's VERTEC ^® SERIES Line Arrays lead the industry in large venue sound reinforcement. The VRX900 Series Constant Curvature Line Arrays are designed and built to the same high standards and uses the same advanced, concert-proven drivers as the Vertec Series. JBL's VRX900 SERIES speakers deliver extraordinary power handling, clarity, flexibility and, of course, stunning JBL sound in an attractive, easy to handle and affordable package.