Enttec USB DMX Pro xemo2011 March 20, 2012 at 12:01 AM Hi Richardh,i´ve had the same problem with my dmxking ultraDMX RDM Pro (3-pin) last friday (gig with 300-400 people) ...When i started movements on my 6 Scanners and 2 Movingheads the 12 channel dimmerpack lags a lot.