Hi all, there is something I have been trying to figure out for a while.I own a Grado SR-80i and a Triple-Fi 10. The SR-80i sounds great through my PC's Xonar D2X card, and very good through my iPhone 4. The Triple-Fi I find to sound overly flat on my D2X, but very good on my iPhone. In any case, when I split the audio from my D2X to both sets of phones, there is a very noticeable drop in sound quality, a strong flattening of the soundstage. This effect is nearly unnoticeable when I split my iPhone's signal in the same way. I suspect the TripleFis may be a key factor, since they make my D2X sound extremely flat all on their own. Can anyone tell me what's happening here?