David Clark H8530 Dual Ear Headset

The Model H8530 is a dual-ear, over-the-head style headset capable of affording comfort and communication clarity over long periods of time. It utilizes the M-2H dynamic noise-cancelling microphone, delivering excellent speech intelligibility.\n\nDurable construction and quality components are found throughout the Series 8500 headsets. Accessories such as undercut ear seals and soft foam head pad provide luxurious comfort over long work shifts.\n\nNoise-attenuating ear cups deliver clear isolated reception, while effectively protecting the user's hearing. David Clark created the world's first noise attenuating communication headsets, and continue to lead the world in delivering quality communication tools.\n\nFeatures:\n\nCrisp, clear communication in demanding environments\nProvides isolated reception and exceptional speech intelligibility\nUniversal flex boom assembly, 280° rotational, for perfect microphone placement on left or right side\nDynamic earphone elements with dual volume controls\nAdjustable headband spring assembly for custom fit\nPivoting stirrup assemblies on both ear cups help ensure a precise fit\nUndercut, 'Comfort Gel' ear seals cradle the ears to provide superior comfort\nSoft foam head pad with removeable cotton cloth cover provides exceptional comfort\nCertified Noise-Reduction Rating of 23dB\n5 ft. Straight Cord with loose leads (for your connector selection)\nM-2H noise-canceling microphone ensures superior transmit clarity\nDual Volume Controls\nTwo 60 ohm, 20-20kHz Earphone Elements, wired for separate channels\n \nSpecifications:\n\nEar Coupling: Around-the-ear (Circumaural)\nHardware: Carbon steel, flat black finish\nDome Type: Lightweight, ABS Composite\nContact Pressure: ~ 1.5 lbs. (6.67 N)\nConnector Type: No Connector\nConnection Cable: 5.67' straight cord with 3 twisted pairs shielded, unterminated (prepared leads)\nEarphone Type: Dynamic, moving coil\nEarphone Impedance: 60 Ω +/- 10% @ 1kHz\nEarphone Frequency Response: 20 - 8,000 Hz\nEarphone Sensitivity: 125 +/-3 dB SPL @ 1kHz - Re: 1mW rms\nTotal Harmonic Distortion (THD): <2% @ 1mW 300 - 3,500Hz\nCertified NRR (3rd Party): Passive noise attenuation rating of 23 dB\nMicrophone Principle: Dynamic\nMicrophone Impedance: 150Ω nominal\nMicrophone Sensitivity: 1.73mV rms nominal, into 150 Ω load re: 104dB SPL 1/4" @ 1kHz\nMicrophone Frequency Response: 200Hz - 5kHz\n \nItem Includes:\n\n1x David Clark H8530 Headset Microphone - 5-foot Straight Cord with Loose Leads