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| Twenty 3G Headset |
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| DISCONTINUED |
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| One of the Most Popular Headsets in Aviation |
22-24dB of Active Cancellation
12-22dB of Passive Attenuation
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Cell/Satellite Phone Interface
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Patented AES™ "Auto Shut-Off" Powers Down the Active Electronics if
System is Left Unattended |
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Battery Status Indicator |
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ANR Power for up to 40 Hours on just Two AA Batteries
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Auxiliary Audio Interface for Music or Audible Checklist/Warnings
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Personal Side-Tone EQ with Bass and/or Treble Boosting
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Dual Volume Controls, Stereo or Mono switchable
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Adjustable Gain Pre-amp Allowing for Field 'Balancing' of Mic Sensitivities
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Temperature Sensitive Confor-Foam™ Ear Seals
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Weighs Under 16 Ounces
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Panel Power Option Available
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Helicopter Version Available
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5-Year Warranty
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Padded Headset Bag, Mic Wind Screen, and Batteries Included
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General Data
Connectors: .250" Stereo Headphone Plug .206" Stereo Microphone Plug
Power Supply: Small In-Line with Left and Right Ear Level Control, Stereo/Mono Switch, Powered by Two AA Batteries
Battery Status Indicator: Red LED Low Battery Indicator
Operating Time: 35-40 hours
Weight: 15.8 oz
Headphone Data
Transducer: Dynamic, Selective Frequency Amplified for Enhanced Speech Intelligibility
Frequency Response: 20-30,000 Hz
Nominal Impedance: 120 ohms Stereo 60 ohms Mono
Microphone Data
Transducer Principle: Noise Cancelling Electret
Frequency Response: 200-5000 Hz
Maximum SPL: 114 dB
Terminating Impedance: 470 ohms
Operating Voltage: 8-16 V DC Appx 5-12mA
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