It was probably either a Pioneer efx-500 or Korg Kaos pad. Both of those devices I believe allow you to take an effect and 'tap' it along with the beat of the song. There's plenty of other things you can do with them too so if you got the money (around $350) then you should definetly get one.

Cool, thanks for the info... it was hard to tell what was coming from the records and what was added but whatever motions he was making with his hands defanitely had an audio component. It was really cool watching him make those effects/beats on the fly. I have the pioneer djm-600 mixer and even though it some of the more popular built in effects, whatever he was using was obviously more elaborate.

Ya the effects are generally better if there done with a stand alone effects unit as they have more polish on them and generally are more customizable.

yeah it will probably have ben an efx500, it has the same effects as the djm600, but you can do 2 at once in series (in theroy, making 25 effects in 5 x 5), that combined with all the extra controllability means you are able to do so much more with it.

i have one, and i think anyone who has the money should get one. i want 2

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MUGGETS