LRAS300 300W Active Special Acoustic Hailing DeviceAugust 2, 2022LARS300 is an active special acoustic hailing device. It adopts voice coil air cooling technology for fast cooling, with the high power over 300W. Compared with common acoustic devices, its maximum so...viewLRAS150 150W Mass Notification SpeakerAugust 16, 2018LRAS150 is an active special acoustic hailing device. It adopts voice coil air cooling technology for fast cooling, with the high power over 500W. Compared with common acoustic devices, its maximum sound pressure level is 10dB higher, greatly enhancing the sound transmission distance.view
LRAD1540 400W Special Siren Acoustic Hailing Intense Sound SpeakerNovember 20, 2019viewwe will contact you within 24 hours.
Types of Announcement SpeakersJune 28, 2018There are many types of announcement speakers, which can be divided into electric type(moving coil), electrostatic (capacitance), electromagnetic (tongue spring), piezoelectric (crystal type) and so o...view
Background Music System of Pa Speaker SystemJuly 25, 2019Broadcasting audio system covers a wide range of areas, from shopping malls, schools, hotels, stations, wharfs, squares to venues, theatres, gymnasiums and so on. They are closely related to it.1.1 In...view
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