hi very difficult to pick the best one lot of dacs are now available in the market.Check blow
Logicform NV1 USB Audio Preamp
they have one model made in USA looks good.But if you need best result you should have to check audio gd .Not sure what is your setup is.spending 10k not make much difference.Explain what is your current setup
The other one is
Schiit Audio, Headphone amps and DACs made in USA.
which have many user reviews with three models
Thanks,
Im having NAD 304 amp using preout to Marantz power Amp and speakers KEF Q 500, playing audio through Sony BDP
Why I am seeing drangonfly priced at $149. Have they increased the price or is it different version?