So last night I was at the secret underground Grackle studio trying this out. TOTALLY LAME. Don't waste your hard earned money on this "voice box". What ever happened to the good shit Electro Harmonix put out: Small Stone, Big Muff Pi, Electric Mistress, Holy Grail and Q-Tron. Sure these are still being made in a new housing with a number of newer versions, but COME ON. The vocoder needs to be hooked up with the mic via XLR's as well as 1/4" Jack in and outs for the keyboard of your choice. Sounds awful, with virtually no parameters to change the sound. You're stuck with a high pitched tinny sound. You won't be doing a version of Freestyle "Don't Stop the Rock" with this. The other effects also fell way short in what I thought would be achievable. I have to say, if you want (or wanted) one of these, try it out first. Just go buy a used Microkorg for $200. Sorry EH, but this was the worst box I tried in years.