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F o r   m o r e   i n f o r m a t i o n :

G N N e t c o m ,   I n c .

7 7   N o r t h e a s t e r n   B l v d .   N a s h u a   N H   0 3 0 6 2  

1 - 8 0 0 - 8 2 6 - 4 6 5 6     w w w . g n n e t c o m . c o m

P r i n t e d   i n   U S A .
1 0 / 9 9
G N I - 1 3 6 A

Standard Features

LX-G

Universal Telephone Interface  

Noise-Canceling Microphone 

Flexible Microphone Boom

Over-The-Ear Comfort

Adjustable Lobe Hinge

Foam & Latex Ear Tiplets

GN Netcom-compatible Quick Disconnect

Two-Year “No Fine Print” Warranty

Great Sound, Comfort, Durability

Contour LX-G

Transmit Specifications

Microphone:

Noise-canceling electret

Frequency Response: 

300-3000 Hz

Distortion: 

Less than 5%

Current Consumption:

250 µa @ 3 V (DC)

Operating Voltage:

1.5-10 V (DC)

Receive Specifications

Speaker: Magnetic

Input Impedance: 

300 ohms (typical) 

Frequency Response: 

300-3,300 Hz

Automatic Gain Control (AGC)

Threshold Level with amplifier:

-41 dBV with an input at 1 kHz

Volume Control Range:

18 dB (typical)

Maximum Output:

114 dB spl peak unit

General Specifications

Operating Temperature:

0°–50° C

Polarity:

Non-polar in amplified applications

Dielectric Withstand Voltage:

5,000 V AC or 7,000 V DC

Safety:

Registered to UL 1459
FCC Parts 68 Registered
OSHA Part 1910 subpart S
CSA C22.2 No. 225-M90

The Contour LX-G headset features a noise-canceling microphone for call clarity, 
our patented Adjustable Lobe Hinge for custom comfort and stability, and a choice 
of foam or latex eartip styles.

The MPA-II Multi-Purpose
Amplifier

works on most

phone systems with a modu-
lar handset connector. The
easiest amplifier to set up 
and use, it features a sliding
volume control, headset/
handset switch, mute switch
and a built-in headset stand.
An optional on-line indicator
signals when the headset is 
in use.

Our 0686 In-line Amplifiers

provide a cost-effective option
for standard carbon applica-
tions. Incredibly compact, they
feature a rotary wheel for a
broad range of volume adjust-
ments. Also available with a
mute button, 

0686M.

The 0452 Two-Prong
Amplifier

is designed for

telephones equipped with a
two-prong headset port. Its 
3-position volume control
locks your volume preference
in place.

Also available: The 0911 Two-Prong 6-Wire Amplifier, for push-to-talk dispatch/911 environments;
and the HT One Headset Telephone (HT-1), the first professional-quality telephone with an inte-
grated headset—ideal for PBX and CTI applications.

There’s a GN Netcom amplifier for every need and every application. Like our headsets,
all GN Netcom amplifiers feature a two-year warranty.

*UNX-340 CONTOUR LX DS Net copy  5/26/00  10:41 AM  Page 2 james Yosemite:Active Jobs:GNN Stuph:Disc 3:Unx-340 Contour LX DS Net .:

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