Original silver Schiit Valhalla. Selling on behalf of my roommate.
Excellent condition with original box and packaging and pointy feet. He wants to note that it's serial number 888.
No trades please. CONUS only.
Oh, I know. I meant that I was unsure why the Omega would be particularly difficult to drive, though I suppose it has a larger transducer. I wasn't able to distinguish an audible improvement with a KGSSHV but this was not in my own home. Whereas other individuals are vulnerable to confirmation bias in subpar listening conditions (i.e. meets), I tend to behave contrariwise.
I'm using the 323S with the SR-Omega and it's good. The Omega is said to be "harder to drive" than the SR-009 (whatever that means). I've been told by at least a few educated ears that the setup does not have audible flaws. My thinking is consistent with yours but we're in the minority. Many perceived differences can be based on quantifiable error as a result of insufficient level matching (at or greater than 2dB). If you level-match by ear, the resulting error will be...
The level of isolation they provide is even slightly less than that provided by Denons.
The TH600's cable is pretty long and robust (though definitely an improvement over the Denons), and unless you have a long neck the ear cups are too deep to allow them to hang comfortably from the neck. They're cumbersome for portable use.