Yamaha CD-S2100 Owner's Manual page 18

CONNECTIONS
Connections
If your amplifier is equipped with XLR balanced input jacks,
we recommend balanced connection for optimum audio performance.
When the SA-CD layer is played, the audio signals are output only from the BALANCED OUT and
ANALOG OUT jacks.
18
En
BALANCED OUT
GND
- COLD
XLR balanced cable
Amplifier
ANALOG OUT BALANCED OUT
SYSTEM CONNECTOR
+HOT
Stereo pin cable
REMOTE
IN OUT