I'd be VERY suprised if they sounded anything like "pro" quality earphones. Given the other items in Monster's headphone line (dr dre iems, lady gaga iems) and the supposed emphasis on looks, I cant logically think to myself that they'd much different than skullcandys (which follow the same strategy). If I'm wrong, I'd be the first to Praise Monster up and down on this board and others, but I'd have to hear it to believe it. (And I've heard a TON of earphones).