The American DJ SC-8 II System is an easy to use low voltage switch system controller. It allows you to control up to eight channels and fifteen amps of total power. With just a flip of a switch each channel has a flash on button for quick and easy control of each individual channel. The ADJ SC-8 II System comes complete with the SC-8 II, SC-8 relay pack and connecting cable to make for a complete switch system. It fits a 19" rack mount and takes up just 2 rack units (2U). Take the American DJ SC-8 II System on your next DJ gig.