According to their kickstarter, they use the default drivers for Raspberry, so it should work with Max2Play.
However, the breakdown of the channels is something we would either have to test on a card ourselves or you would have to inquire from the manufacturers.
For inspiration, you can have a look at this user solution to break down the channels of the Logilink 7.1 USB sound card: https://www.max2play.com/en/forums/topic/multisqueeze-mit-logflink-7-1-usb-soundkarte/
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