RME ADI-2 was and still is my endgame DAC + headphone amp. Requires a funky adapter to use in dual output balanced mode, but boy does that make the HD800S sing.

https://www.rme-audio.de/adi-2-pro-fs-be.html

ASR Review: https://www.audiosciencereview.com/forum/index.php?threads/r...