Purchased from Amazon for $299.95 DAP : Hiby R5 Music : Various top 40 80's music, Heavy Metal playlist, and Squirrel Nut Zippers. Comparisons : Sennheiser IE800, Sennheiser IE40 Pro, Kz DQ6, and Dita Truth. Let me start by being up front. I'm a Sennheiser fan boy. Always have been. I've owned every Sennheiser IEM from the CX150 through the CX215 and CX300 II all the way up to the 880, IE80, and finally the IE40 Pro and IE800. I also own the HD599 and owned the HD600, 58x, and HD280 PRO, so I know my Sennheiser sound. With a few hours into these...