I first ventured into the Hifiman world about a months ago and splurged on the HE-500, Schiit Lyr 2 and Bifrost Uber. I also wanted to have a closed set of headphones, so after a lot of research, and not being able to find the denon d5000 at a reasonable price, I settled for the Denon D600. I got all my gear, set it up, and was greeted with utter disappointment. My D600 sounded way better than my he500!!!???? I couldn't believe my ears. My he500 was just dull, lacked clarity, punch and bass. I went on to try to fix the issue thinking that maybe the...