| HS-800 goosneck flexible mic boomHS-810 metal ball swivel mic boomHS-820 metal hinged mic boomHS-830 goosneck metal mic boomWeighing only 17ozExcellent noise reduction rating of 26dBClear frequency response of 20-17,000Hz distortion free through entire rangeStereo/mono/volume control on right earcupSwithch selectable full stereo or mono operationNon-reflective metal or stenless frame with adjustable stirrupsSoft, open foam ear seals feel great and maintain the noise reduction rating with glasser - option : silicone gel earsealsExtra thick ventilated cushion headpadLeft earcup volme control - also controls volume for both sides in mono operationStandard .250 gold plated headphone plugStandard .206 gold plated microphone plugQuick response electret mic with muffNoise cancelling filter amplified system electret microphoneWhite, Black other color domes with logo print | 
