Plantronics SupraPlus H251 User manual

SupraPlus™
New standards in headset style and performance.
Plantronics SupraPlus™ headset sets new
standards in style and perfomance for call
centre and office headsets.
Available in monaural and binaural styles, with
either Plantronics unique removable, clear
voice tube or a noise-cancelling microphone,
there is a SupraPlus model which matches
your communication style.
SupraPlus works with existing Plantronics
adapters, which further enhance sound quality
with SoundGuard Plus™ and Call Clarity™
technologies. SupraPlus also connects directly
to many leading phones, including VoIP phone
systems, to offer adaptable, hands free
communications.
The all day wearing comfort of SupraPlus is
unsurpassed. All models are lightweight and
feature single cable connection, with monaural
versions featuring an enhanced T-pad design
for natural support on the head.
Listening comfort is assured through
wide-band frequency response giving a clear
natural sound, which also ensures improved
accuracy in your conversations. SupraPlus is
available in two colors, silver and black. The
silver version offers luxury leatherette ear
cushions, whilst the black version is supplied
with foam ear cushions.
find your space

Plantronics Ltd
Wootton Bassett, UK
0800 410014
[phone]
Plantronics Ireland
Citywest Business Campus
Dublin 24
Office: [phone]
ServiceROI: 1800 551 896
UK: 0800 410014
Plantronics GmbH
Hürth, Deutschland
Service: 0800 9323 400
Technik: 0180 5007996
Österreich: 0800 242 500
Schweiz: 0800 932 340
Plantronics B.V.
Hoofddorp, Nederland
(0)0800 PLANTRONICS
0800 7526876 (NL)
00800 75268766 (BE/LUX)
Plantronics Sarl
Noisy-le-Grand, France
No Indigo: 0825 0825 99
0,15 eTTC / mn
[phone]
Nordic Region
Finland: 0201 550 550
Sverige: 031 28 95 00
Danmark: 44 35 05 35
Norge: 23 17 37 70
Plantronics Middle East,
Eastern Europe and Africa
[phone]
Plantronics Iberia, S.L.
Madrid, España
902 41 51 91
[phone]
Plantronics Acoustics
Italia Srl
Milano, Italia
Numero Verde: 800 950934
SupraPlus/GB/0905/A4
© 2005 Plantronics Inc. All rights reserved. Plantronics, the logo design, Plantronics Sound Innovation, Call Clarity, SoundGuard Plus, SupraPlus and the voice tube clear colour dress and shape trade
dress are trademarks or registered trademarks of Plantronics, Inc.
www.plantronics.com
Key features
· Wideband frequency response for a more
natural sound.
· New T-bar support and ‘floating’ receivers for
all day wearing comfort.
· Lightweight, stylish and modern design.
· QuickCall feature for short-call convenience.
· Robust design & construction for exceptional
reliability.
· Wide choice of models to meet personal
preferences:
· Single-cable binaural or monaural receiver.
· Unique, replaceable voice tube or noise
cancelling microphone.
· Black with foam ear cushions or Silver with
leatherette ear cushions.
Technical data
Weight
Monaural 49 grams
Binaural 74 grams
Transmit Characteristics (typical)
Sensitivity @ 1kHz -39 ± 3.5dBV/Pa
Frequency Range 200 to 4000Hz
DC Range 1.5 to 5V
Noise Cancellation 7dB (Noise-Cancelling models only)
Output Impedance < 100Ω
Typical Test Conditions 1.8VDC, 3.3KΩ DC Resis, 3.3KΩ AC Load
Receive Characteristics
Sensitivity @ 1kHz 15dBPa/V (Monaural)
9dBPa/V (Binaural)
Frequency Range 100 to 4000Hz
Acoustic Limit 24dBPa
Input Impedance 150 ± 25Ω (Monaural)
300 ± 25Ω (Binaural)
Typical Test Conditions 100mV Drive, 10Ω Source Impedance
Measured on ITU-T Type 3.3 artificial ear
Specification subject to change
Description Part Number
Monaural Voice Tube H251/A 36828-01
P251/A 36829-01
Monaural Noise Cancelling H251N/A 36832-01
P251N/A 36833-01
Binaural Voice Tube H261/A 36830-01
P261/A 36831-01
Binaural Noise Cancelling H261N/A 36834-01
P261N/A 36835-01
Monaural Voice Tube H351/A 36828-02
P351/A 36829-03
Monaural Noise Cancelling H351N/A 36832-02
P351N/A 36833-03
Binaural Voice Tube H361/A 36830-02
P361/A 36831-03
Binaural Noise Cancelling H361N/A 36834-02
P361N/A 36835-03
Black
Silver
Monaural Voice Tube
H251 (H351)
Binaural Voice Tube
H261 (H361)
Monaural Noise Cancelling
H351N (H251N)
Binaural Noise Cancelling
H361N (H261N)
Sound Innovation™ for missions to the moon. And for everyday life on this planet, too.
In 1969, a Plantronics headset carried the historic first words from the moon: "That's one small step for man..." From the man on the moon to the
man on the street, Plantronics is an innovation leader dedicated to creating communication solutions for people who understand and appreciate the
real freedom of space. From outer space to inner space, find your space.
Space photo imagery courtesy of NASA