. . Product # 27019-03. .
The Plantronics 27019-03 Y-training cord / Y-splitter cable allows 2 headsets to operate with one amplifier for training / monitoring purposes. Both headsets can listen, but only one headset will have a live microphone. The other microphone is muted. The red toggle switch allows the supervisor to control which microphone is live and which is muted.
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27019-03