Wharfedale WLA 115A – 15″ Curvature Array Driver Element (Active)WLA 115A Active Hybrid Curvature Array Coaxial Full Range The 12 and 15 elements use coaxial drivers from Beyma which are manufactured in Europe. This coaxial design gives consistent coverage on both horizontal and vertical planes, while competitive traditional two way line arrays do not have consistent coverage on one axis, at least by design. WLA 1 coaxial design gives consistent coverage and is unique. Features 15 Coaxial Beyma driver 500 W