Why I can not use ASIO for DirectStream DAC in Roon?

I connect my windows 10 PC to the DirectStream DAC using USB.

ASIO Driver install ok, see the image below :

And I can use ASIO output in foobar2000

But when I use Roon, it only find a WSAPI device:

I can enable it

But without ASIO, the maxium sample is 192k and dsd64(DoP) not 358k and dsd128.

How can using ASIO in Roon?

Bridge II has its limitations, namely 192/24 and DSD 64 DOP. If you want to take the full benefit from DS DAC, you need to use its I2S ports. This can be done either by adding I2S card to your PC or by adding a device that converts your computer audio USB signal to I2S and can deliver higher PCm and DSD rates.

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DS DAC’s specification : I2S, and USB — 44.1kHz to 352.8kHz 16bit, 24bit, DSD 64, DSD 128

that means I can use USB to play DSD128 and 352.kHz, I did play them in foobar2000 with ASIO driver, but I can’t find ASIO USB device in Roon. that’s odd.

I use Nucleus+ (running Linux) as my Roon core, and when I use the USB it streams higher than Bridge II. I am not sure why you cannot run higher rates using USB. Mind you Roon acts differently. May be you could try searching for solutions on Roon forum.

This might help:

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