© 2010 Plantronics, Inc. All rights reserved. Plantronics, the logo design, Clearline, DA45, DuoPro,
SoundGuard, Quick Disconnect, Sound Innovation, and Vista are trademarks or registered
trademarks of Plantronics, Inc. All other trademarks are the property of their respective owners.
Published September 2010.
For more information about DuoPro or other
Plantronics products, please visit our Web site
at: plantronics.com
Tel: 866-544-4660
(
U.S. And Canada
)
831-458-7700
(
Outside U.S.
)
DuoPro
®
Operating Frequency: Standard Band
Headset Microphone: Noise-canceling or Voice Tube
Headset Weight: 42 g Over-the-Head conguration
20 g Over-the-Ear conguration
Compatibility: Plantronics Audio Processor
Wearing Styles: Over-the-Ear, Over-the-Head, Behind-the-head
Limited Warranty: 2 years
Vista
®
M22 Audio Processor
The Vista M22 audio processor delivers
precise levels of listening comfort, sophisti-
cated hearing protection, and superior
audio performance. The Vista M22 includes
Clearline
™
audio to improve call quality in
any environment, especially wideband VoIP.
DA45
™
USB Audio Processor
Compatible with all Plantronics H-series
headsets, this headset-to-USB adapter/
audio processor brings superior call clarity
to PC-based communications. The DA45
USB provides advanced audio technolo-
gies, plug-and-play connectivity, and Quick
Disconnect.
DuoPro headsets require a Plantronics audio processor, USB audio
processor, or direct connect cable to connect to phone or PC.
Noise-canceling
microphone blocks
out background
noise
Easy convertible
switch to
over-the-ear
wearing style
Ergonomic T-Pad
designed to not
catch hair
Headset quickly converts from over-the-head to
over-the-ear wearing style.
Anti-twist boom
H171N DuoPro Convertible
with Noise-canceling
H171DuoPro Voice Tube model, shown
with accessory neckband for behind-the-
head wearing. Neckband is sold separately.
Versatility is the hallmark of the innovative DuoPro
line, with its best-in-class audio performance, all-day
wearing comfort, and a choice of a wearing styles.
DuoPro Key Features
• Plantronicscompatibility. DuoPro works with all
Plantronics audio processors and USB-to-headset
adapters. Direct-connect solutions are also available
for headset-ready phones and agent consoles.
• Advancedergonomicdesign provides superior
balance, t and comfort. Choose a wearing style:
Over-the-head style—Unique double T-pad head-
band distributes weight evenly. There’s never a
speaker pad pressing on your ear.
Over-the-ear style—Earloop can be molded for a
secure, comfortable t.
Behind-the-head style—Optional neckband is only
available as an accessory, sold separately.
• SupportsClearline
™
audio technology. Ensures
precise listening levels, sophisticated hearing
protection, and superior audio performance when
used with Plantronics audio processors.
• QuickDisconnect
™
lets you walk away from your
phone while still wearing your headset.
• AvailablewithVoiceTubeornoise-canceling
microphone:
Voice Tube—Plantronics’ trademark design; light
weight and unobtrusive, delivers great sound
quality in all but the noisiest environments.
Noise-canceling—Filters out background sounds
for heightened speech clarity.
• Warranty:Twoyears for unsurpassed durability.
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service and support