No problem. However, I think I might be on the lower listening level side of the spectrum. While I was at that show testing the v281 with my Tungsten, I could hear the music of the person sitting next to me over my own music, so YMMV.

I'm finding no problems running the Tungsten DS on an RME ADI 2/4 Pro SE. In fact at my normal listening volume, the unit doesn't even move out of IEM mode. I also had an opportunity to compare running it out of the v281 as well as the Ferrum OOR. At the volumes I listen at, I really couldn't...