Hello have some of you heard those combinations with the senns hd 650. I have read alot of positivs about the nuforce, essence one i have not read so much about how it is with the hd650s I have right now the xonar essence stx running  the hd 650 and i like it, But looking for improvements...

Hello everyone i just want to hear some opinions if its Worth to upgrade to the Xonar one or by all means som other good headphones amps/dacs.  Currently iam running Asus xonar Stx with Sennheiser HD650. Also what amp/dacs is most recomended to the sennheiser hd650?

Hello iam searching for a new set of Bookshelf speakers, and as the topic says i want speakers with same or similar character as the sennheiser hd650 and i love the sound of those headphones its perfect for me, my budget is around 500-800 euros