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Reliability and superior sound quality combined with stable and comfortable styles for extended wear. For Commercial Aviation only.
Weight 4 OuncesTotal Noise Reduction 12dBsVolume Control Yes Stereo Yes Mic Noise Canceling Electret MicrophoneMicrophone Boom Flexible boomMade in USAEar Seals Plush foamFAA TSO Approval YesPower Source Microphone Bias
Weight 3.2 OuncesStereo NoMic Noise Canceling Electret Microphone Microphone Boom Flexible boom Made In USA Ear Seals Foam FAA TSO Approval Yes - C57a & C58a