EDIT: Reduced rating...   After spending some additional weeks with the product I came to feel less satisfied with the audio quality.  When compared to the iBasso D12, it performed well enough.  However, in absolute terms, and for a desktop unit, there's just too much distortion to give a 4 star review.  Running some basic test tones clearly allowed me to hear low-frequency THD that should not have been audible.  So I reduced my ratings somewhat.  The bottom line is that this seems like a rather under-realized discrete system.  From a discrete...