Vista M22 Base Unit

Vista Universal Amplifiers connect Plantronics headsets to just about any modular single- or multi-line phone and offer ergonomically designed volume, headset/handset, and mute controls. With its easy-to-use one-button selection of headset or handset, Vista amplifiers deliver precise levels of listening and talking comfort, superior protection, and excellent audio performance to your office telephone. Select between your headset and handset at the touch of a button. Separate controls allow independent adjustment of outgoing and incoming volume.