Active Acoustic Hailing SystemNovember 15, 2019It is a multifunctional military-use device, which can be widely used in crowd management and dispersal, boundary warning, water surface communication, airport and other fields.view
Passive Acoustic Hailing DeviceNovember 15, 2019LRAD systems produce much higher sound levels (volume) than normal loudspeakers or megaphones. It is a multifunctional military-use device, which can be widely used in crowd management and dispersal, boundary warning, water surface communication, airport and other fields.view
Active Acoustic Hailing SystemNovember 15, 2019It is a multifunctional military-use device, which can be widely used in crowd management and dispersal, boundary warning, water surface communication, airport and other fields.view
Passive Acoustic Hailing DeviceNovember 15, 2019LRAD systems produce much higher sound levels (volume) than normal loudspeakers or megaphones. It is a multifunctional military-use device, which can be widely used in crowd management and dispersal, boundary warning, water surface communication, airport and other fields.view
Vehcile-mounted Acoustic Hailing SystemMarch 22, 2017view
Ultrasonic Directional SpeakerDecember 5, 2017view
Sound Dome Parabolic SpeakerJuly 6, 2022view
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