very interesting ! as an audio hardware enthusiast (especially Dacs, Daps, headphones, IEMS..) i'll try the following devices asap and let you know the results (i'll update this post accordingly) :

DAP with USB dac support :

Sony WMA1
Fiio X7 mk2
Fiio M11
Astell&Kern SR15 & AK320

DACs ;
Topping D10

EDIT : no luck with any of my devices, they all use USB audio version 2.0 which is not supported by MorphOS unfortunately.
I may try the Fiio K3 Dac/Amp wich has a USB audio 1.0/2.0 switch.

any plan to implement USB Audio 2 in MorphOS ?






[ Edited by SoundSquare 14.09.2019 - 12:26 ]