If you are beta testing the Stellar Gain Cell DAC and have a DMP, you’ll want to install this latest DMP update so Stellar can communicate with DMP and playback DSD.
The link for it is: https://www.psaudio.com/wp-content/uploads/2017/02/11-075-11-X-FMC-10.zip
Download the files, unzip it, place the contents inside the folder on an SD card, and update DMP.
If you need some guidance, go here: http://www.psaudio.com/ps_how/how-to-update-with-an-sd-card/
This will walk you through the process all our products use.