https://www.audiosciencereview.com/forum/index.php?threads/crinear-iems-by-crinacle.60932/page-11
CrinEar IEMs by Crinacle | Page 11 | Audio Science Review (ASR) Forum
apart from the upper treble/air, what makes you say they dont measure relatively similar? They're the same till 6k, daybreak has a more extended treble...
crineariemsaudiosciencereview