It’s rare to see a dual dynamic driver earphone in the sub $100 range, and that’s exactly what we will be taking a look at today. After reviewing top tiered IEM’s, I thought it would be good to take a step back and look at some budget IEM’s, tailored for all the mid-fi people wandering around on the market. The SonoCore COA-803+ is a dual dynamic driver earphone that...
“ 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