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

LRAS300 300W Active Special Acoustic Hailing Device


● Adopts voice coil air cooling technology, cooling fast
● Rated power 300W, customized version more than 500W
● Supports parallel connection of multiple devices on vehicle and shipboard
● Can be carried like a shoulder bag, backpack or handbag, and can also be installed on a tripod.
● Built in MP3, FM, support Bluetooth as audio source
● Support one key to play the alarm or dispel sound
● Support wireless handhold 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 adaptor

  • Introduction
  • Specification

LARS300 is an active special acoustic hailing device. It adopts voice coil air cooling technology for fast cooling. 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


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:Jianggao Town, Baiyun District, Guangzhou, China