No need. Buy a UMIK-1 and download REW onto your pc/Mac. Connect the UMIK-1 to the PC and open up REW. You will be asked for the UMIK-1 calibration file which can be downloaded from the miniDSP site. Then connect the pc by either USB or mini jack to RCA connectors to your DAC. Now you are ready to go.
You can find great information on running REW on the miniDSP site UMIK-1/2 setup with REW