Samsung HW-HM45-ZA - Manual (Page 14)

CONNECTIONS
14
ATTACHING THE TOROIDAL FERRITE CORE TO THE POWER
CORD OF THE SUBWOOFER
You can reduce noise caused by electromagnetic radiation by fitting the ferrite core to the power cord of your
subwoofer.
1. Unlock and open the ferrite core.
2. Wind the power cable of your subwoofer around
the ferrite core twice.
(Start winding 2 to 4 inches away from the core).
3. Close the ferrite core by pressing it until it clicks.