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Passive Noise Reduction: 23 dB (NRR)
this Flying Through Hell Vintage Metal Sign measures 20 inches by 5 inches and weighs in at 1 lb(s)
Lockheed Martin EPSN G39
Reviewed by experts in aerospace physiology
4 / 40411G-01
David Clark H6740-M IS Headset Microphone – Behind-the-Head Modular (40416G-58) PROP65 Passive Noise Reduction: 23 dBDavid Clark H6740 M IS Headset Microphone Behind the Head Modular (40416G 58) Overview The David Clark H6740 M IS Headset Microphone (40416G 58) is an Intrinsically Safe (IS) rated, behind the head modular headset system designed for direct radio communication. Built for high noise environments, this headset ensures crisp, reliable transmission while meeting strict safety standards. Key Features Intrinsically Safe Design: Engineered for use in