Technical Pro Subwoofers are designed specifically for club and high-end pro audio users. The heart of the system is a massive driver ranging of 15" ideal for the most demanding environments where pure bass power is the goal. Their program rating produces amazing new levels of bone-jarring bass, making Technical Pro Subwoofers a superior choice for anyone looking for thunderous lows in large venue environments. With its light weight design and neo-dymium magnet the SUBNEO-1501 is one of the most easily transportable subwoofers you will ever find.