Plantronics Vista M22 Headset Amplifier
Plantronics PLNM22 – Amplifier is designed for use with traditional or wideband VoIP phone systems, including SupraPlus, Encore, Tristar, DuoPro, Duoset, and Mirage headsets. VoIP-ready Vista M22 amplifier is compatible with most office phones. Clearline audio technology enha.