Originally Hardkernel was saying the C2 was 2GHz as well. Shortly after it was released people did some digging to explore overclocking.iirc, it was discovered the CPU basically ignored speed settings above 1.5GHz, but would still report that it was running at the higher speeds. Apr 29, 2019 · Im looking at using a Khadas Tone Board DAC, which will be battery powered, via large battery. I have a choice, 1… Use my i5 Roon Core NUC as an endpoint (Ubuntu 18 Desktop), with the Khadas plugged into the USB or option Use my existing Pi3 (Ropiee) with Allo Digi+ feeding into SPDIF of the Khadas Tone Board… The Khadas Tone Board output, will then feed into my Analogue input of my Onkyo ...