Exactly. The OP doesn't say where his stands are. If he in fact wishes to 100% fully decouple his speakers from the stands, I can only suggest suspending them from the ceiling on piano wire - and for really really smarts, computing the gauge wire to use to put the system at the kinky bit on the Hooke curve. I'm (half?) joking of course, but defining the problem entails articulating it.
Let's see what the OP says.
Do I see a commercial opportunity for someone: a maglev speaker suspension system

. Ethan..?