Thanks, maybe I should go to Apple Store and try with a Lightning to USB Camera Adapter first.   I'll update the result after giving it a try.

Hi guys.   I'm very confused with iOS device DoP output.   I've purchased the full version of Onkyo HF Player so that I can play Hi-res audio including DSD files now.   Everyone says that in order to output the 24bit/192KHz PCM or DSD to a external DAC, a CCK is required.    But I...