Dimlux Extreme 250w / 400w / 600w - 230 Volt Adjustable BallastDimlux Extreme Great for Growers Running 230v Set Ups The Dimlux Extreme 600w Ballast is a high quality adjustable digital ballast that is capable of running at 250w, 400w, 600w and 660w (overdrive) output settings. The appearance of the unit is incredibly stylish, and the build quality is absolutely rock solid. Its also compatible with the Dimlux Maxi Controller, so you can take advantage of a range of additional features. How the Dimlux Extreme