Hi again, I see the discussion is more about amps than DACs. I know talking about amps is a kind of fashionable mandatory but if you really want to be 100% satisfied by your expensive headphones the first thing is to listen to different sources - I mean DACs. The advisors are talking mostly...

well, it's better to google this device itself because the reviewer at headfonia.com had noticed some difference...

try Tento portaDAC 1866OCUB (USB, optical, coax, BT, review at headfonia-dot-com, find it at the european amazons). i've bought its desktop version before porta was issued then tried to find a difference using my HiFiman He5 and HD800 like yours but didn't succeed. it is multi-bit so sounds way...

Hi. I'm sure you'll need DAC/amp combined (not in 2 pcs) and one of the best for money is tento portaDAC 1866OCUB (USB, optical, coax, BT, headfonia review http://tinyurl.com/n36hmkv, all other data at European Amazons). I've got its desktop version and satisfied. why desktop - I've bought it...