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Product description

Single earperice headband

Adjustable headband

Wideband frequency response for better audio quality

Quick Disconnect

Requires M-12, MX-10, CS-10 or CA-10 modular amplifier/adapter

General Information
Manufacturer	Plantronics, Inc
Manufacturer Part Number	H251N
Manufacturer Website Address	www.plantronics.com
Product Line	SupraPlus
Product Name	SupraPlus H251N Headset
Marketing Information	The Plantronics SupraPlus headset family brings new standards in all-day comfort and reliability to telephone professionals. Enhanced receive-side audio quality, intelligent flexible boom and stylish design provide greater headset flexibility. SupraPlus offers monaural or binaural versions, voice tube or noise-canceling microphones and is compatible with Plantronics amplifiers and USB-to-headset adapters.
Product Type	Headset
Technical Information
Connectivity Technology	Cable
Frequency Response	200Hz to 4kHz Microphone 100Hz to 4kHz Earpiece
Impedance	100 Ohm Microphone 150 Ohm Earpiece
Earpiece
Design Type	Monaural Semi-open
Ear Cushion	Soft Foam Ear Pads
Microphone
Microphone Type	Boom
Microphone Sensitivity	-39 dB V/Pascal
Interfaces/Ports
Interfaces	1 x Proprietary
Physical Characteristics
Shipping Dimensions	2.25" Height x 5.5" Width x 7" Depth
Weight	1.7 oz
Shipping Weight	0.5 lb

Voice Tube and noise-canceling microphones

Supports all Plantronics amplifiers and USB-to-headset adapters

All-day wearing comfort and reliability

Enhanced audio for greater listening accuracy

Designed for the most demanding environments

Plantronics, Inc. introduced the first lightweight communications headset in 1962 and is today the world's leading designer, manufacturer and marketer of lightweight communications headset products. Plantronics offers mobile headsets to address the cordless and mobile phone market, next-generation computer audio headset products for computer applications and corded and cordless headsets and systems for the office, small office/home office and contact centers.