Audio Note DAC2.1x 2007 - Manual (Page 9)

Special Note – Make sure that all connections are tight and clean. For
best results use good quality audio interconnects. Although it is
perfectly acceptable to use cables manufactured by other companies,
for best results and performance, we recommend our own Audio Note
(UK) range of interconnects and loudspeaker cables. For further
information, please consult your nearest Audio Note (UK) dealer, or
alternatively please feel free to contact us directly.
Inputs
The DAC2.1x is equipped with two digital inputs, consisting of one
single ended RCA socket, and one balanced XLR socket. Select the
required input by using the switch located on the rear of the unit.
Select ‘Balanced’ for the XLR input or ‘Unbalanced’ for the RCA input.
Only connect one input at a time, as it is not possible to use both
inputs simultaneously.
Mains The DAC2.1x is equipped with an IEC 320 mains inlet socket. Use the
supplied mains cable to connect the unit to the local mains supply.
The mains fuses are located in separate fuse holders, situated on the
rear panel, to the right of the mains inlet socket.
Outputs
The DAC2.1x provides a pair of Single Ended outputs, consisting of
two colour coded RCA / Single Ended sockets.
RED is for RIGHT
channel connection, WHITE is for LEFT channel connection.
CONNECTION
RCA SOCKET,
CENTRE = POSITIVE / SEND.
RCA SOCKET,
SHELL = NEGATIVE / RETURN.