Definitely understand that. Have you used it with an amplifier as well or would you say one is necessary? I got one based on the suggestions in MLE's thread for the q701s. Right now the adapter is working great I just get occasional audio cutouts. Only played with battlefield 4 so far, but I will try other games tonight. Of course battlefield has many issues of its own still.
Yeeeeeeah the XBO is headphone-unfriendly in a lot of ways, funny that MS had to make headphone/headset gaming even harder rather than easier with their new console.
Even a basic amp makes a significant and obvious improvement with the Q701's, and the headphone quality keeps scaling up with more expensive gear. If you wanna hear an amped Q701 on a budget, try the new FiiO E11K, but in my opinion Tube amps are where it's at (Project Starlight and up) and you can use different tubes to get just the sound you want.