Plantronics H31 Specifications

●

Lightweight, headband style headsets

●

Fully adjustable headset and microphone

●

Choice of voice tube or noise cancelling

models. Noise cancelling version eliminates

up to 75% of background noise

●

Ideal for use in call centres, helpdesks -

designed for all day comfort

Product Specifications

Transmit Characteristics (typical)

Sensitivity @ 1kHz

-39 ± 3.5dBV/Pa

Frequency Range

200 to 4000Hz

DC Range

1.5 to 5V

Output Impedence

< 250

Ω

Noise Cancellation

10dB (Noise cancelling

models only)

Typical Test Conditions

Receive Characteristics

Sensitivity @ 1kHz

23.5 ± 3dBPa/V (Monaural)

18 ± 3dBPa/V (Binaural)

Frequency Range

200 to 4000Hz

Acoustic Limit

24dBPa

Input Impedance

150 ± 50

Ω

(Monaural)

300 ± 50

Ω

(Binaural)

Typical Test Conditions

100mV Drive, 150

Ω

Source Impedance

SUPRA

®

Call Centre & Office

H

E

A

D

S

E

T

F

O

R

P

H

O

N

E

S

Voice Tube Diagram & Noise Cancelling Diagram

1

Monaural Headband

2

Binaural Headband

3

Single Receiver

4

Dual Receivers

5

Ear Cushion(s)

6

Voice Tube

7

Clothing Clip

8

Quick Disconnect™

9

Optional Noise Cancelling

microphone

1

5

3

6

8

7

2

4

9

4

TWO YEAR

For more information, call us on

Alternatively, visit our website

www.plantronics.com

0800 410014

Plantronics, the name, logo design and Supra are Registered Trademarks of Plantronics, Inc. Quick Disconnect is a Trademark of Plantronics, Inc. ©2000 Plantronics Ltd. All Rights Reserved.

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