You can read a detailed review of the Virtuoso Network DAC by Steve Plaskin on AudioStream.
Roon Ready – controlled by the Roon ecosystem
Ethernet via Cat-6 Neutrik Connector
Optional 4kV Ethernet Isolator (internal)
Single ended RCA (Fully Balanced Signal Path)
Balanced XLR (Fully Balanced Signal Path)
Dual Burr-Brown PCM1794 DAC chips