Yes I have had my Cowon Plenue P1 for 4 days and have to say first my iBasso DX50 is now obsolete.
Now to the review, tested with ciem's Unique Melody Miracles and Minerva Pro silicones. Over ear I tested with AKG 545's and my old trusty Sony MDR-V7's. Firstly if you are used to Cowon products then the menus are very easy to follow (I loved my Cowon J3 when it came out and still plays 16 Bit flac and bluetooths to my amp). If you are new to cowon then there is a bit of a learning curve. Settings only appear when actually playing a album.
Sound: I would say warm (I have left on normal setting) Typical cowon sound but clear, spacious and almost vinyl sounding. There are a plethora of sound settings a la cowon but I do not need them. There are no gain settings but you can switch between iem and headphone (kind of like a gain switch but software driven and works very well) I have listened to Folk, Progressive Rock, Jazz, Metal and I cannot fault this dap in the least
Design: A beautiful metal block with a power button on top and volume, pause/play and skip forward-back all which can be done on the touch screen (which is a joy to behold) The free case that comes with it is a brown leather that fits very well. The 3.5 mm headphone jack also doubles up as an optical out ( which I have tried via a Cambridge Audio Dac100 to a Roksan Kandy K2 to Roth Audio OLi RA4 Floorstanders, absolutely outstanding! )