For more information:
GN Netcom, Inc.
77 Northeastern Blvd. Nashua NH 03062
1-800-826-4656 www.gnnetcom.com
Printed in USA.
06/03
GNI-218B
GN 2220 Omega™monaural headset. GN 2225 Omega™binaural headset.
GN 2200 Omega headsets feature noise-canceling microphones and easily-positioned
DuraFlex-II mic booms. The GN 2225 binaural features two oval speakers and a single,
lightweight DuraFlex cord for added comfort and convenience.
The GN 8000 Series MultiPurpose Amplifier works on
most phone systems with a
modular handset connector.
It features a built-in headset
stand with an on-line indicator option that signals when
the headset is in use.
Our In-line Amplifiers
provide a cost-effective
option for standard carbon
applications. Incredibly
compact, and available with
or without a mute button,
they feature a rotary wheel
for a broad range of volume
adjustments.
The 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 GN 7100 Headset Telephone, a professional-quality telephone
with an integrated headset—ideal for PBX and CTI applications.
GN Netcom has an amplifier for every need and every application. Like our headsets,
GN Netcom amplifiers feature a two-year warranty.
Transmit Specifications
Microphone: Noise-canceling electret
Frequency Response: 100-6,000 Hz
Distortion: Less than 3%
Current Consumption: 150 µa @ 3 V (DC)
Operating Voltage: 1.8-24 V (DC)
Receive Specifications
Speaker: Dynamic
Input Impedance: 300 ohms (typical)
Frequency Response: 250-6,000 Hz
Automatic Gain Control (AGC)
Threshold Level with amplifier: -38 ± 3.5 dBV
Volume Control Range: 32 ± 4 dB
Maximum Output (UL Rating): <118 dB SPL
Standard Features GN 2220 GN 2225
Universal Telephone Interface
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Noise-Canceling Microphone
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Single Wire Binaural N/A
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DuraFlex-II™Boom
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PureSound™AccuBass Speaker(s)
∆∆
Foam & Leatherette Ear Cushion(s)
∆∆
Stay-Put™Headband
∆∆
GN Netcom-compatible Quick Disconnect
∆∆
Two-Year “No Fine Print” Warranty
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Best Sound, Comfort, Durability
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General Specifications
Operating Temperature: 0°–50° C
Polarity: Non-polar in amplified applications
Weight (headset and cord): GN 2220: 1.83 oz.
GN 2225: 2.39 oz.
Dielectric Withstand Voltage: 5,000 V (AC) or 7,000 V (DC)
Safety: Registered to UL 1950
FCC Parts 68 Registered
OSHA 29 CFR 1910.95
CSA C22.2 No. 225-M90