Specially designed cups to fit under helmet. Individually sprung bands provide even distribution of pressure around ears. Low, two-point fasteners for easy height adjustment with no protruding points. Soft, broad ear cushions with built-in pressure evening liquid channel provide low pressure but effective sealing. Audio input for connection to an external radio.
Microphones pick up and amplify ambient sounds in true stereo.
Dynamic boom microphone can be installed easily for two-way communication. Last volume setting is stored when powered off. Automatically switch off after two hours if no function is used. Two signals are emitted as a warning that the ComTac will switch off in one minute if no function is activated. Battery life is up to 250 hours.