The M12 Vista Universal Amplifier connects Plantronics headsets to just about any modular single or multi-line phone and offer ergonomically designed volume, headset/handset, and mute controls.
Connects Plantronics headsets to most single or multi-line telephones.
Receive and transmit volume control Headset/Handset selector Connects to most single or multi-line phones
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M22 Amplifier
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