It features two reflex loaded, high efficiency 12″ mid bass drivers, one Axhead loaded wide bandwidth 8″ cone midrange driver, and one 1″ compression driver on a proprietary isophase diffraction waveguide.The Vero VX system comprises VX90 full-range vertically arrayable loudspeakers, V124 or V221 bass enclosures, amp racks, fly bars, transport dollies, ground stack hardware, cabling and Projection system design software.