ASUS Xonar U7 Echelon Edition 7.1 USB Sound Card
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vazup
"Headphone amplifier optimized for 32-150ohm headphones" - lame, should have had 300ohm.
War child
vazup
Not really, I currently use a Fiio E10 to drive my headphones which supports up to 300 ohm and it works purely of my usb.