90 day update on the BASN Bmasters. Lost one side a few days ago...not common in the reviews, but there it is. I was 4 days from warranty cut-off, but managed to get a replacement. While I waited for the replacement I used my wired Bose in ear set. So I am burning in the replacement set and the difference in fidelity is vast. I still would recommend these BASN IEM's. I just hope if they fail again, it is under warranty.