VS-1680: Digital Connections
Connect the digital output connector of your audio device with the VS-1680s
DIGITAL IN connector.
DIGITAL IN1 is a coaxial connector and DIGITAL IN2 is an optical connector.
Use the appropriate connector for your audio device.
DIGITAL IN1 (coaxial) and DIGITAL IN2 (optical) cannot be used simultaneously.
Select one of the connectors for use.