Guangzhou DSPPA Audio Co., Ltd.
Tel: 020-28346138
Fax: 020-81305947

LRAS150 150W Mass Notification Speaker


● Adopts voice coil air cooling technology, cooling fast
● Rated power 150W, customized version more than 500W, Max. SPL: 135dB
● Support parallel connection of multiple devices on vehicle and shipboard
● Be carried as a shoulder bag, backpack or handbag, or installed on a tripod
● Built-in MP3, and FM, support Bluetooth as an audio source
● Support one key to play the alarm or dispel sound
● Support wireless handheld microphone for mass notification
● Paging through this product can be recorded to a USB disk and supports playback
● Support phone calls from another region to broadcast in the whole system
● Power supply: Built-in battery, charged by DC12V adapter

  • Introduction
  • Specification

LRAS150 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. Moreover, for paging, you can use its handheld microphone or by the Bluetooth of mobile phones or other third party software. Besides, it has one key to play the alarm and one key to play the dispel sound.
In conclusion, this product is compact in size, powerful in function, and beautiful in appearance.



Rated power


Max. SPL


Language intelligibility

100 meters away


Characteristic sensitivity level


Effective frequency range

400Hz – 8kHz

Cover Angle

Level 70 ° x 50 ° vertically

Size (width * depth * height)




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  • Tel:+86 020 37166520
  • Address:No.1 Xiahe Rd, Jianggao Town, Baiyun District, Guangzhou, Guangdong, China