Guangzhou DSPPA Audio Co., Ltd.

Long Range Acoustic Devices LRAS150-LRAS300-LRAS1515A-LRAS1530A

Sound Defense


-Build a Line of Defense for Security with Intensified Sound


Anything that can put people, facilities, homes, or businesses in danger requires reliable communication channels. DSPPA ACOUSTIC Hailing System(LRAS) provides redundancy via highly audible and clear voice messaging when emergencies arise. Broadcast specific emergency response messaging in multiple languages through high-fidelity acoustic devices.LRAS systems deliver live or recorded voice messages with exceptional clarity for any operational scenario. Optimized to the primary range of hearing, LRAS Advanced Driver and Waveguide Technology ensure every broadcast is heard and understood, even above the crowd, engine, and background noise.


Relate Products

  • LRAS150 150W Mass Notification SpeakerLRAS150 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 Active Long Range Acoustic DeviceLRAS1515A 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
  • LRAS1530A 300W Active Long Range Acoustic Hailing DeviceLRAS1530A 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
  • Tel:+86 020 37166520
  • Email:export@dsppa.com
  • Address:Jianggao Town, Baiyun District, Guangzhou, China