Sonos Multi-Room Music System - Manual (Page 42)

Chapter 2: System Setup
2-27
Voltage select AC 115/230 V
Select the voltage setting that is appropriate for your
country.
AC power (mains) input Use the supplied power cord to connect to power outlet.
Analog audio in Use a standard RCA audio cable to connect the audio
outputs from a separate audio component such as a CD
player, to the ZonePlayer’s analog audio inputs.
Subwoofer output
Note: If you disconnect your
subwoofer, make sure to also
disconnect the subwoofer’s cable
from the ZonePlayer output.
Connect a powered subwoofer to this output using a
standard RCA cable. The system will detect when a cable
is connected to the subwoofer output and adjust the
crossover frequency automatically.