A-Line Acoustics, makers of the award-winning versatile AL10 Line Array System with patented EZAL™ on-the-fly aiming system, produces innovative powered, unpowered and hybrid-active high definition portable and installation professional audio speaker products. Made in the USA, A-Line speaker enclosures incorporate advanced computer design engineering and production with premium components to meet highest performance standards. Features include neodymium drivers, DuraTex coated birch plywood construction, routed integrated handles, threaded steel connector plates and inserts, and Euroblock gas-tight wired crossovers for greater reliability and easy servicing.