The LITE II boom arm headset with whisper mic fits under ballistic helmets. The LITE headset features adapters to interface boom arm with gas mask and has optimum gas mask fidelity. The LITE II uses ideal peripheral heading accommodated by earphone vents and is submersible to U. S. and NATO specs. The Television Equipment Associates headset has sound-vents to allow users to hear ambient sound and the whisper boom mic is noise cancelling.