I got this from another headfi member here couple weeks ago. Here is the link: http://www.head-fi.org/t/684411/fs-nuforce-udac-2-black-lower-price#post_10279269
I am selling this because I thought it has a coax input but unfortunately it doesn't.
Condition: (Copied from previous post)
Rarely used uDAC 2 for sale. Excellent condition, less than 100 hours. Compact, USB powered DAC with integrated headphone amp. Domestic Shipping and paypal included.