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
- Two-year warranty
- H-series Plantronics headset top