LRAS1515A 150W Active Long Range Acoustic DeviceJanuary 18, 2020This product is a portable long range directional acoustic transmitter. Featuring powerful sound intensity, high directivity and high intelligibility, this product can realize long range communication...view
LRAS150 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
LRAS1830A 300W Acoustic Hailing DeviceApril 30, 2021LRAS1830A is a Long Range Acoustic Hailing Intense Sound Speaker is a compact and portable long range directional acoustic wave transmitter, far superior to other PA systems in public places, and can ...viewwe will contact you within 24 hours.
Detailed Explanation and Noun Interpretation of Multimedia Conference RoomMarch 29, 2019What functions do multimedia conference rooms need?Multimedia conference rooms should not only meet the traditional and simple meeting requirements, but also have elegant style, beautiful sound qualit...view
DSPPA celebrates her 27th anniversaryNovember 29, 20168th Aug., 2015, all the members of DSPPA gathered to celebrate her 27th anniversary.With “family culture” as her core company culture, it has been a custom for DSPPA to celebrate her anniversary wit...view
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