Maybe not relevant to this thread since I have never listened to the K series but I did have the X-03 and the P3/D5 combo. I would describe the sound I heard as very clear, detailed and dynamic. Perhaps the filters available on the K series can help change the sound but I felt that something emotional was missing with the Esoteric. I was never drawn into the music. Perhaps the rest of my system was not properly matched to take advantage of the Esoteric's strengths. I now have a Luxman D-06 which I am enjoying immensely.
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