28.7 db NRR Passive Attenuation

Features:

• NEW "C" Version Includes Mobile Phone/Audio Interface
• AT 28.7 NRR, it has the HIGHEST Noise Reduction Rating (NRR) of any Aviation Headset
• Lightweight. Under 12 oz.!
• The low profile, padded headband allows for hours of comfortable wearing in constricted cabins
• Closed cell acoustic foam seals that feature larger and deeper ear openings for a more comfortable fit
• Reversable boom allowing for left or right side operation
• Adjustable gain pre-amp allowing for field 'balancing' of mic sensitivities
• 3 Year Warranty

General Data
Connectors: .250" Stereo Headphone Plug .206" Stereo Microphone Plug
Audio Controls: Small In-Line with Left and Right Ear Level Control, Stereo/Mono Switch
Weight: 11.8 oz
 
Headphone Data
Transducer: Dynamic
Frequency Response: 17-24,000 Hz
Nominal Impedance: 300 ohms Stereo 150 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