Originally Posted By: zaba19
Noise cancelling/dampening mat is an awesome idea, I have to find something like this. Thanks for the tip smile

people with e-drum kits have to deal with this issue a lot, the best/most cost effective thing for this is a 'tennis ball platform', for example see


for a DP you might need to figure out if you maybe need a few more tennis balls due to weight differences with an e-drum kit, but if you build something like this it should be pretty much guaranteed to decouple the instrument from the floor making it fine for your downstairs neighbours.