Tons of measurements here, very uncommon and welcomed from such a company.Here's the report from Norton 360: https://safeweb.norton.com/report/show?url=http://www.m2tech.biz/&ulang=en .
Unfortunately, the last statement in specs shows THD+N at 0.0008% (5V). That is translated to SINAD at around 102db. Nothing close to an epic performance for a 1390€ DAC.