I bought these to upgrade from my UE triple fi 10 pro's.  I LOVED the Triple fi's, but wanted to go to customs for greater bass response and isolation on stage.  (i'm a bass player).  The first thing I have to say is that I was kind of torn between UE and JH Audio, but after dealing with both companies now I have to say that if the products are equal in quality, and I think they are pretty close, the reason to go with JH Audio would be the Customer Service you get with these guys.  I called on a Saturday to ask a question about ordering on-line...