Plantronics® M12 Vista Universal Amplifier

The M12 Vista universal amplifier connects any Plantronics headset to just about any other modular single or multi-line phone and offers ergonomically designed volume, headset/handset, and mute controls. With its easy-to-use, 1-button selection of headset or handset, the M12 Vista amplifier adds precise talking comfort and excellent audio performance to your office telephone.