Thanks for the input and the suggestions! Very much appreciated.

Hi Junyuan, what differences did you notice between the two different setups? Could you help me illustrate some of the characteristics of the O2+ODAC with the 7xx? I am currently using my 7xx straight out of an asus Gseries and am on the verge of buying an O2 but this is also my first time...

Hi im also looking for an amp for my new 7xxs that came in the mail today. IM SO HAPPY. A im still in college would the aforementioned O2+ODAC combo be a good buy? Im an international student and would really love the portability that the JDS combo seems to provide. alternative recommendations...

Hi!   Stumbled upon you guys as I was looking for my first pair of decent headphones. Owned a pair of atomic floyds (of which only one side works now). Just bought the new akg 7xx which are coming in the mail tomorrow! super excited. Definitely looking into an amp+dac combo for home use in the...