Connecting a PC or Mac
By connecting a computer to the USB-DAC port on the rear panel of this unit using a commercially available USB connecting cable (supplied), this unit can be used as a D/A converter. link
Before USB connecting this unit to your computer, install the driver software in your computer. link
Download the driver software from the PMA-50 page of the Denon website.
Use a cable that is 10 ft (3 m) or less to connect to the computer.