This high-powered, easy to set up starting system is an excellent choice for larger aquatic facilities requiring a customized solution for your pool. It can drive up to 12 speakers mounted under the starting blocks as well as speedlights for a visual start signal. Each Championship Start System includes a wired microphone, 360 degree strobe light, AC/DC power, and a limited public address system. You can also add a wireless microphone, auxillary public address speakers, and up to two underwater speakers. An additional jumper cable is required to tie-in to a timing system.