The Triple is a step up from the dual driver monitor in depth and presence, yet still clear and crisp. This is our most popular model with sound engineers, on-stage musicians, and the discriminating audiophile due to its exceptional accuracy... STANDARD FEATURES: Balanced armature drivers, Passive tuning network, 26 dB ambient noise reduction, Hypoallergenic, hard acrylic shells.... Frequency...
“ 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