Well for me...there wasn't a wow factor. Definitely not the initial wow factor with the AK380, which sounded great with the 1Plus2's out of the box.
Initially, the lows were just...bass..nothing special. The highs (think Freddy Mercury's voice and the a cappella portion of the Bohemian Rhapsody) weren't engaging at all. It was almost like listening to a variable bit recording for lack of better words. The mids were there, but again...meh...
After a few runs of the song, with exactly 2-minute breaks in between, the sound started to improve. Thinking this was just my brain becoming acclimated to the 1Plus2's, I popped them into the DX100 briefly. The difference was unreal. On the DX100 and the AK380 they sounded amazing. I figured that I could switch to the other unit running a song of a different genre for the two minutes then go back. Which is what I did.
That being said, the 1Plus2's are getting another shot tonight.