LRAS1530A 300W Active Long Range Acoustic Hailing SpeakerDecember 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
LRAS1515A 150W High Power Active Long Range Acoustic SpeakerJanuary 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...viewwe will contact you within 24 hours.
DSPPA | Closing Marks a New Start: DSPPA Shines at CPSE 2025October 31, 2025Abstract: DSPPA joined CPSE 2025 in Shenzhen (Oct 28-31), showing intelligent AV solutions for modern security and winning positive responses.view
DSPPA | Witness Friendship at 2025 International Annual MeetingJune 3, 2025Abstract: On May 30, DSPPA held a grand international annual meeting, strengthening the partnership with its distributors.view
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