Select your iFi audio product from the list and then enter your 10digit serial number to discover what software and firmware downloads are available Select product Aurora hipdac iDSD Diablo micro iDAC (discontinued) micro iDAC2 micro iDSD micro iDSD Black Label micro iDSD Signature micro iLink (discontinued) nano iDSD nano iDSD Black LabelThe iFi micro iDSD BlackLabel is the improved version of the previous iFi micro iDSD iFi has shared to us in detail, many of their design considerations during the development of the micro iDSD Lot's to learn from the post, therefore I think it is worth to post the link to the early discussion hereThe nano iDSD Black Label is a portable DAC and headphone amplifier designed to enhance your personal audio From your phone, amplify your Spotify, Apple Music or Tidal using an Apple CCK cable or OTG cable for Android At home or in the office, use the US0 cable provided to connect to your PC Ifi Audio Nano Idsd Black Label Portable Usb Dac And B H Ifi a