Thirty 3G Headset
28-30dB of Active Cancellation 12-22dB of Passive Attenuation
- Cell/Satellite Phone Interface
- Patented AES™ "Auto Shut-Off" Powers Down the Active Electronics if System is Left Unattended
- Battery Status Indicator
- ANR Power for up to 30 Hours on just Two AA Batteries
- Auxiliary Audio Interface for Music or Audible Checklist/Warnings
- Personal Side-Tone EQ with Bass and/or Treble Boosting
Dual Volume Controls, Stereo or Mono switchable
- Adjustable Gain Pre-amp Allowing for Field 'Balancing' of Mic Sensitivities
- Temperature Sensitive Confor-Foam™ Ear Seals
- Weighs Under 16 Ounces
- 5-Year Warranty
- Padded Headset Bag, Mic Wind Screen, and Batteries Included

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: 25-30 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
Active Cancellation Profiles


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