Samsung SPP4231 Owner's Instructions Manual page 16

Connect the speaker audio cable to the external speaker output jack on the rear of the PDP matching the
"+" and "-" ends of the cable with the diagram on the PDP.
➤
➤
The speakers MUST have to a power handling capability of 10 watts minimum (impedance 8Ω).
When you connect the speaker wire to the external speaker out connector, first bind the speaker wire round the ferrite core to secure it.
Ferrite Cores
The ferrite cores are used to attenuate undesired signals.
When connecting cables, attach one of these ferrite cores to the cable
near the connector.
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