The Stage Right by Monoprice 1000 Watt 15 inch powered subwoofer is designed for maximum portability and massive low end punch, in a lightweight and easy to use package. With definition and clarity that is typically associated with larger subs, the 1,000 watt SR 15 inch powered subwoofer is ideal for houses of worship, boardroom presentations, nightclubs, or any other medium sized performance spaces. The Class D / DSP loaded amplifier makes all the difference, giving you phenomenal energy efficiency, combined with a powerful 15" woofer and 3" coil driver that will have no trouble filling a room with as much deep, chest pounding bass as the audience can handle.