Pro Bar 4The Elation Pro Bar 4 has to be one of the most useful dimmer pack on the market. It serves as a stand T bar and dimmer pack in one unit and also has eye bolt rigging points for aerial suspension. Additional features such as 16 built in chase patters, constant powered outlet (perhaps to power a wireless dmx receiver?), 2 outlets per channel, and dimmer switch pack modes, make the Pro Bar 4 just as feature packed as standard dimmer packs only more