Just tested and that works fine.
Make sure you are using a hw: device.
You can run /usr/lib/jriver/Media\ Center\ 25/alsacap from the command line to see if your DAC is supported (DSD_U32_BE only).
Card 2, ID `Audio', name `iFi (by AMR) HD USB Audio'
Device 0, ID `USB Audio', name `USB Audio', 1 subdevices (1 available)
2 channels, sampling rates 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000 Hz
Sample formats: S32_LE, SPECIAL, DSD_U32_BE