JBL VRX928LA Dual 8" Line Array Speaker CabinetThe VRX928LA is a lightweight (28 lb 13 kg) compact 8" two way linearray speaker system designed for use in arrays of up to six units. Features Constant Curvature Array The waveguide mounts two compression drivers on a continuous arc enabling them to work together acoustically as if they were a single driver. Amplitude Shading Convenient series of switches on each enclosures that controls the output of each high frequency section in the array.