I'm thinking about buying the massdrop hd 6xx which is basically a hd 650. I'm worried my Xonar DG isn't powerful enough to properly drive it. I'm basically looking for a soundcard with a built in amp that can properly drive these headphones, preferably with a simulated surround sound option...

I'm wondering what is a good budget soundcard for an Sennheiser HD 650. I only use headphones with my computer and I won't be using the headphones anywhere else. I have an Xonar DG that I use with my superlux 668b along with true-fi and it's a great setup. But having seen the massdrop hd 6xx...

First time poster on the forum, and still trying to find out what make good headphones good. So excuse me if I end up asking questions which may seem well known on these forums I am still researching everything.   I am looking for a set of closed headphones that are comfortable to wear for...