The Sportsound 500HD is a complete sound system that is designed to provide high-impact sound reinforcement for a variety of outdoor facilities, including football, lacrosse, soccer, softball and track. This system provides full range sound and even coverage so that it is able to overcoming the noise of a crowd. The 500HD is ideal for smaller sport venues. The system is installed in a permanent position, and it is easy to set up and to operate. The sound system comes with one MP3 player input and two microphone inputs.