I regularly play DSD files using a raspberry pi over USB into ADI-2 Pro FS R BE using Rune software on the pi, it all works fine. I’d give something like this a try. It works using DoP and direct DSD although I can’t hear any difference.

Be careful with DSD direct as you will need a pre amp or some attenuation between the RME and power amp to control the volume.

Thank you for your replies,
II was curious to try some DSD audio files regarding audio quality.
Then I will switch DC protection ON again,

Hi Matthias,
thank you for your replie,
I tried a few other settings:

Foobar - Asio Madiface USB device - passes bitperfect RME wav test - DSD playing = DC alert muting
Foobar - ASIO + DSD Madiface USB device - passes bitperfect RME wav test - DSD playing = DC alert muting
Foobar - ASIO: DSD transcoder (Dop native) device - passes bitperfect RME wav test - DSD playing OK
Foobar - ASIO + DSD: DSD transcoder (Dop native) device - passes bitperfect RME wav test - DSD playing OK
Daphile system (claims bitperfect playback for all files)- passes bitperfect RME wav test - DSD playing OK

Considering bit perfect test passed OK, is there anything wrong with using another device driver than ASIO madiface output ?

And sorry, another question please:
If my system passes RME bitperfect wav test ,
does it mean bitperfect certified only for Wav files or should I consider it OK for all files type ?

thank you,
Christophe

RME Bit Test checks the whole signal path for integrity:

Player software, OS settings, driver, interconnection / cable.

If Bit Test passes OK, one can assume that other filetypes are playing OK too, if the player software handles them correctly.

To check that, you could convert the Bit Test files into the (lossless) audio format you want to use, and run Bit Test with those.