These headphones are incredible! Some of the best on the market for music or gaming. These are the Premium version with 600 Ohm impedance. They are ready for some serious amplification, so beware. Sounded great with my Asus Xonar Essence STX. Comes with original travel case, gold adapter, and documentation.
http://www.ebay.com/itm/291353687226?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
http://www.ebay.com/itm/291353687226?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
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