The Atlas A-Line EJ2003-B line array system is a 1000W RMS power full range speaker system that is designed for use in speech and music reproduction applications for small venues like houses of worship, medium sized theaters, or schools. The unit consists of a sealed enclosure housing twenty proprietary 3" drivers. The EJ2003-B is designed to be used in conjunction with a powered subwoofer unit, the EJW115A-B, that powers the EJ2003-B with its built in class D amplifier.