I heard the new treo egneering subs today and all i can say is wow! These things slam and you hear noting but clean bass. This is the best high end sub ive heard in a while.

http://www.optimumdrive.com/Archives...ngineering.asp

I heard the street series and I am now a very big fan. I heard them right next to the JL12w7 i have to say they are raw.