UGMastermind
Sinister South
I found this site some time ago and thought about getting some. You can hear it in action with a live band playing in the next room. The THX stuff I'm guessing is the most expensive, but the band sounds lower than a whisper. Anyone every used it?
http://www.quietsolution.com/html/quietrock.html?gclid=CKiWgo7ZjYoCFRUhNAodq2lqSA
http://www.quietsolution.com/html/quietrock.html?gclid=CKiWgo7ZjYoCFRUhNAodq2lqSA