Enough that no one on the "weight weenies" board will know. Seriously though, I have a 04 djIII on my dj bike, and I never bothered to weigh it. It works well for what it was intended to do, but it was not intended to be light. It is HEAVY. I think you may be able to find some DC's which weigh less. If strength is your top priority, the DJ's are for you, if it is weight you are interested in, look elseware.
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