To control pars, you'll need either a DMX Dimmer or Power pack. American DJ makes the PP-DMX20L power pack and the DP-DMX20L dimmer pack (among others). Then you'd get a DMX to control the Pocket Scans and the dimmer/power pack. There are various controllers based on your price range. If you're on a budget, I recommend the DMX Operator. It's what I use and it's a good entry level controller. Just make sure that if you get a dimmer pack, NEVER plug the Pocket Scans into it.
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