Plantronics Supra H51 with Vista M12 Amplifier - headset - with Plantronics Vista M12 Amplifier

The most popular headset in the world, the Supra owes its popularity to the perfect balance between light weight, superior sound and outstanding comfort.The M12 Vista Universal Amplifier connects Plantronics headsets to just about any modular single or multi-line phone and offers ergonomically designed volume, headset/handset, and mute controls. It connects Plantronics headsets to most single or multi-line telephones.