i too have a dax discrete, fed however by the asl converted transcend transport. i've compared this interface with both coaxial and aes links (using eichmanned valhalla and az mc2, respectively) and the dual st link beats both comfortably. the application of io-gel takes the asl link to an even higher level. as a longterm user of audio synth gear, the upgrade from the earlier dax decade was a natural progression and i did not audition the dcs gear. feel free to contact me directly if you wish.