Plantronics S12 Corded Telephone Headset System View larger

Plantronics S12 Multiline Headset System



  • 2-in-1 Convertible Headset For Over-the-head Stability Or Over-the-ear Convenience
  • Noise-canceling Microphone For Clarity
  • In-use Indicator Light Lets Others Know Phone Is In Use
  • Hands-free Convenience & Comfort
  • Over-the-head and over-the-ear configurations
  • Volume and mute controls
  • Noise-canceling microphone, call clarity technology

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The Plantronics S12 Telephone Headset System offers hands-free convenience and comfort and includes a 2-in-1 convertible headset for over-the-head stability or over-the-ear convenience, a noise-canceling microphone for superior sound clarity, and the Firefly in-use indicator light that lets others know you are on the phone.

With a 5.75-by-9.0-inch footprint, the S12 fits easily onto available desktop space, while a headset stand provides a convenient resting place for the headset.

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Plantronics S12 Telephone Headset System

  • Over-the-head and over-the-ear configurations

  • Noise-cancelling microphone, call clarity technology

  • Volume and mute controls

  • Convenient headset stand

  • Compatible with single and multi-line phones

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Clean Design and Hands-Free Convenience

The S12 is a complete telephone headset solution for those looking for hands-free convenience with clean, uncluttered design. S12 is a corded headset that includes a Firefly in-use indicator headset and a stylish adapter which connects to your telephone. The S12 is compatible with the majority of corded business telephones through the use of a slide switch and microphone level controls. It's compatible with both single and multi-line phones for application flexibility.

Plantronics Telephone Headset System
The S12 fits easily onto available desktop space with convenient headset stand.
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Volume and mute controls on the S12 keep you in control of the audio during the call. An extended boom and noise-canceling microphone filter out background sounds for heightened speech clarity. Get the audio quality of corded handsets while keeping your hands free to type or take notes.

Exclusive Firefly In-Use LED Indicator

The Firefly in-use indicator headset is unique to Plantronics and features a bright LED that flashes when you are using the headset to make a telephone call. It is prominently situated near the headset microphone to ensure your colleagues are aware that you are using the telephone.

Two Wearing Styles for Total Comfort

The headset features two wearing styles: a conformable earloop and an adjustable headband, with a behind-the-head neckband as an optional extra. Enjoy the convenience of an over-the-ear design or the stability of an over the head design for maximum flexibility.

Add Hands-Free Capability to Any Desk Phone

The S12's adapter connects to your telephone. The adapter includes features such as headset/handset switch, volume control and mute control for your listening comfort. The adapter can either be powered using batteries or by an optional power supply unit.

Technical Specifications

  • Weight: Over-the-head, 41 grams; Over-the-ear, 18 grams
  • Frequency Range: Transmit, 100 to 4000Hz; Receive, 200 to 4000Hz
  • Noise Cancellation: 10dB
  • Acoustic Limit: 24dBPa

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