Plantronics SupraPlus H251N Headset with M22 Amplifier
Features at a glance
- The Plantronics SupraPlus H251N Headset with M22 Amplifier has been discontinued. Please see the Plantronics SupraPlus WideBand Noise-Canceling Headset (HW251N) and the Plantronics Vista Headset Amplifier (M22).
- Easy installation and use
- Monaural design—headset speaker covers only 1 ear
- Noise-canceling microphone
- Quick Disconnect cord—leave your headset on while you walk away from your desk
- Unpack and install in just a few minutes
- Convenient one button controls
- Superior sound quality - the M22 boosts the signal from the telephone while preserving crisp sound quality
- Connects to most single or multi-line phones
Description
The M22 Amplifier connects the SupraPlus H251N headsets to just about any modular single- or multi-line phone, and offers easy to use volume, headset/handset, and mute controls.
The SupraPlus H251N Headset provides excellent audio quality for traditional voice applications as well as the increasingly popular Voice over IP softphone applications Back to top
Technical Specifications
| Manufacturer | Plantronics |
| Type | Corded |
| Wearing Style | Over-the-Head |
| Max Range / Cord Length | 10 ft. |
| Connector Type (view connectors) | Quick Disconnect |
| Weight | 1.4 oz. |
| Lines: (telephone products only) | Not Applicable |
| Compatibility | Works with your existing single- or multi-line phone |
| Microphone | Noise-canceling |
| Earpiece | Foam |
| Color | Black Headset, Dark Grey Amplifier |
| Special Technologies | Sound Enhancement System |
| Warranty | 2 Year Replacement |
| Battery Life | 6 months if turned off when not in use |
| Reversible | Yes |
| Handset Lifter Compatible | No |
| Busy Light | Compatible |
| Quick Disconnect | Yes |
| DC Adapter Compatible | Yes |
| Digital Encryption | Not Applicable |
| What's in the box? | Plantronics Headset, Carrying Pouch, Plantronics Amplifier, Battery Door Kit, 2 AA Batteries, Male Modular to Quick Disconnect Cord, Pigtail Connector Cord from Amp to Phone |
Customer Reviews
Average Customer rating for this item: 
Southwest Surgical Suites
Trimac Transportation
Houston, TX
Product Purchase Options
Compatibility Guaranteed
The Plantronics SupraPlus H251N Headset with M22 Amplifier is compatible with 98% of all office phones! If you'd like for us to check your specific phone, just click below:
Click here for Instant Live AnswersWhat Customers Are Saying
Awesome headset! I work in a call center, so you can imagine how many hours a day I am on the phone. Clear conversations and I never miss a call. There is one thing I would change, that is the...
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I have had no more daily neck pain since I started using my headset.
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