LRAS1530A 300W Active Long Range Acoustic Hailing DeviceDecember 29, 2023The system can be used to convey real-time notifications, warnings, and orders in a large arealike Bird Repellent, Lifequard, Fire Coastquard, Search & Rescue, Police, and Peacekeeping.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
LRAD1520 200W Special Siren Acoustic Hailing Directional DeviceNovember 20, 2019viewwe will contact you within 24 hours.
A Bumper Harvest of DSPPA in ISE 2016December 22, 2016During the Spring Festival, DSPPA attended the ISE in Amsterdam, Holland, from 9-12 February 2016. DSPPA got a bumper harvest and won the good prestige in the international market.ISE has now become ...view
Selection and Use of Conference MicrophoneMarch 29, 2019Microphone auditionBecause of the particularity of the conference room, speakers in most cases can't come to the audition (for example, the leader speaks), so they just need to adjust their voice acco...view
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