Optima Lighting MATRIX DMX 4 channel Double Output Dimmer Pack 1, 2, or 4-channel MATRIX DMX DIMMER pack Zero-crossing circuitry, which protects against inductive loads DMX (XLR) female and male connection for DMX compatibility LED display - this multifunction display will detail all chase and procreativity Each channel is Equipped with a fusel, the Max. Output is 10A (120V) or 5A (230V) per channel and total current is 20A (120V) or 15A (230V).