The Atlas A-Line EL1503-B line array speaker system is a high intelligibility, high efficiency speaker system that is ideally suited for use in speech and music reproduction applications for small venues like houses of worship, small theaters, or schools. The EL1503-B includes fifteen proprietary 3" drivers in an optimally designed and constructed sealed Baltic birch enclosure. The EL1503-B is designed to be powered by the ELW110A-B powered low frequency driver and amplifier combination.