About a week ago I bought this item: http://www.ebay.com/itm/32-192-DAC-CM6631-CS4398-USB-to-COAX-ANALOG-HEADPHONE-OUTPUT-/261240029700?pt=US_Amplifier_Parts_Components&hash=item3cd31e8204 I've only had it for about a day but it's already been a bit of a hassle trying to get it to work. At...

New user here though I have read quite a lot on this forum, mainly about headphones because I just recently ordered a pair of JVC S500 after researching alot about portable headphones.   Now to my dilemma.   I currently have a pair of Harman Kardon HKTS 30 connected through an Onkyo AVR...