The American DJ DP-DMX20L 4-Channel DMX Dimmer Pack features independently assignable dimming or switching channels and is easily mounted on a truss lighting rig. The DJ DP-DMX20L features 8 Edison sockets (2 per channel) and includes 16 built-in chases w/ speed and intensity settings as an added bonus. The DP-DMX20L is at home as a stand-alone unit connected to 8 par can or effects lights, or may be used in conjunction w/ a DMX controller.