*DISCONTINUED* by Plantronics.  See PLANTRONICS H-SERIES HEADSETS instead

Plantronics S11 Telephone Headset System offers hands-free convenience and comfort, and includes an over-the-head headset for stability with a noise-canceling microphone for superior sound clarity. It's the most affordable of all Plantronics headsets. Plantronics S11 is the very popular among call centers around the world where large deployment of headsets are needed.

Key Features

• Adjustable over-the-head headset provides all-day comfort
• Noise-canceling microphone reduces background noise for clear calls
• Universal amplifier is compatible just about any desktop office phone out there
• Volume and mute control
• Includes AC/DC Wall adapter
• 1 year warranty

If you wish to have a different headset for the S11 (ie. double ear), you can use any Plantronics H-series headsets  + Plantronics U10P cable

Plantronics S11 Parts and Accessories:

Plantronics S11 replacement headset

Plantronics S11 extension cord

Plantronics S11 AC wall adapter

Plantronics Clothing Clip for S11 Headset

For more information also see Plantronics S11/S12 FAQ and Plantronics S11 datasheet