SCHIIT Yggdrasil DAC ANALOG 2 / UNISON USB- 2021 boards updated by SCHIIT AUDIO ( READ ADD) These unit has all boards NEW from 2021 replaced by Schiit Audio as shown on documents on last picture and bellow: * On 3/22/2021 both L + R Analog boards replaced * On 5/26/2021 the Mother Board & Front Panel replaced Happened on 3/2021 that a wrong wiring from DAC to Preamp ended with damages on DAC also on Preamp. I paid to Shiit Audio a total of $685.97 for replace those boards ( no repair it). After the Ygdrasil received on 6/3/2021 unit was storage 2 months until received my preamp back repaired. Now Dac is working perfect and has less than 50 hours of use after the boards replaced. I ever turn OFF dac unit after auditions contrary at said on Schiit website of let unit ON full time. Costmetically is in excelent condition too, zero scratchs. It has original packing and power cord. * selling all my system as bellow: - Aurender N100H, Schhit Yggdrasil 2/Unison, Audiolab 6000, H2O Fire preamp, H2O S250, Apogee Caliper signature full restored, Nordost Frey & Heimdal IC's, Nordost Heimdal speakers cables, Clear Day double shootgun pure silver speakers cables, JPS Power AC+ Power cord, Synergetic Research A/C Master coupler power cord, Audience Forte F3 power cord, Isotek EVO Polaris line conditioner & surge protector, PS Audio plasma power cord, Apogee WIDE EYE A/D digital cable, Straight Wre USB digital cable sold by by Schhit Audio.