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This is the Plantronics S11 replacement/spare headset. This headset plugs directly into Plantronics S11 base with modular (square) RJ-9 plug. This headset is the replacement for your existing S11 system only. It will NOT work with any other Plantronics amplifier.
If you wish to have a different
headset for the S11 (ie. binaural headset), you can use any
Plantronics U10P cable
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Monday 28 September, 2020
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