This dac was Augio Gd's reference dac (in those days manufacturing quality was quite high). http://www.audio-gd.com/Pro/dac/DAC3SE/DAC3SEEN.htm
Has 4 of the famous 1704K Dac chips. A lush, tube-like sound; no digital glare on this; can be quite addictive.
Original price was around $1000. Unit is is good condition, no major scratches etc. Has digital coax and BNC outputs. Included free: Audio Gd USB -> SPDIF converter.
My price: $345 paypalled and shipped to the 48 states. Will ship in manufacturer's box.