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 ...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
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...view
Invitation to 2020 SCO International Investment and Trade ExpoOctober 10, 2020Abstract: DSPPA sincerely invites you to attend SCO International Investment and Trade Expo 2020 in Qingdao on 16-18, Oct..DSPPA is willing to extend our sincere invitation to you to attend SCO Intern...view
DSPPA | INVITATION to INTERSEC 2023 in DUBAIJanuary 6, 2023We sincerely invite you to attend the Intersec 2023 at Dubai World Trade Centre (DWTC), Dubai, UAE, from 17th to 19th January 2023.view
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies.
Visit our cookie policy to learn more.