Learning never ends and the GR10 is a result of a constant desire to look at designs and materials and improve upon them. Improvements upon the single armature design found in the GR8 are now in the GR10. A higher level of precision and new materials allows for the performance of the GR10 to add frequency extension in both the higher and lower ranges as well as lowering distortion. A...
“ 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