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