The Atlas A-Line EJW115A-B subwoofer 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, medium sized theaters, or schools in conjunction with the EJW2003-B full range line array speaker system. The EJW115A-B includes a single 15" subwoofer in an optimally designed and constructed sealed Baltic birch enclosure. This design provides even sound distribution at all distances. The EJW115A-B includes a 500W RMS integrated class-D amplifier that includes onboard DSP. The EJW115A-B is designed to provide power to an EJ2003-B in a single ELIJAH line array system and includes all necessary hardware to make this connection.