Sounds like I won’t like the OG as I’m also sensitive to that upper midrange frequency. I find HD600 too shouty and I can’t turn up the volume too much because of that. Recently bought the HD660s and I find it to be much more balanced. I can crank up the volume without hurting my eardrums by shouty vocals. I haven’t tried the Clear OG but I’ve listened to the MG. I didn’t find it to be shouty so I think the tuning of the MG is more to your liking.