A DMX controller is arguably one of the most important pieces of equipment needed in a Lighting system that enables external control. That’s because it is used to control various features and functions of almost any intelligent or DMX controllable fixture. You’ll tend to find DMX control in use at large music events such as festivals and concerts, entertainment venues such as nightclubs and music venues, schools and theatres and also an increasing amount of mobile DJs make use of DMX control to make their lighting shows stand out from the rest.