The M22 Amplifier and H91N Headset make a high-quality Plantronics corded headset system.

The M22 Amplifier connects the SupraPlus H91N headsets to just about any modular single- or multi-line phone, and offers easy to use volume, headset/handset, and mute controls.

Encore headsets provide a perfect acoustical fit, adjustable headband, and soft ear cushions for optimum comfort, stability, and fit.