I've tried to use the M11 as a transport but the Samsung USB C to USB A male OTG adapter doesn't seem to work with my O2+SDAC. I thought the OTG adapter might be a fluke so I bought a USB C to microUSB cable since that's what they had at my local audio store and it seem to work just fine when I used it with one of their desktop amps. That doesn't seem to work either so I tried a powered USB C hub and finally that did the trick. It's worth noting both the OTG adapter and USB C to microUSB cable work on my phone, so it seem like the USB C port implimentation on the fiio M11 isn't providing power(or adequate power) in host mode to my dac. I'd be helpful if @FiiO can provide some input on this. On that note, I'm not able to get logs generated because connecting the dac to my m11 will result in the device doing a soft reset.