Cardas Ear Speaker EM5813 In-Ear Headphones Based on the Cardas "Golden Ratio" - The Most Significant Advance in In-Ear Headphones We Have Ever Heard After 4 years of research and development encompassing every part of the human hearing system and how it relates to Ear Speaker performance, George Cardas has left no stone unturned to develop an Ear Speaker that delivers transfixing...
“ http://www.head-fi.org/forum/thread/562428/review-kozee-infinity-x1-custom-molded-iem See above for my in depth review. This really is a good product. The issue is with the company itself. As I mention in the review, they are not returning emails from customers. And when people do manage to track them down on the phone - they make promises that are apparently not kept. I like Kozee...” --project86