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
LRAS1515AI LRAS1515PII Active Long Range Acoustic Hailing Speaker System with Howling SuppressionSeptember 28, 2025The LRAS1515AI Active Long Range Acoustic Hailing Speaker System is portable and delivers high sound pressure, highly directional, high-definition audio. Within the system, the LRAS1515PII Acoustic Ha...view
LRAS1930A Active Acoustic Hailing DeviceDecember 12, 2024As a typical non-lethal weapon, this product is not restricted by international conventions and does not cause adverse international political influence. It is widely used in anti-terrorism and stabil...viewwe will contact you within 24 hours.
Present Situation of Wireless PA SystemsAugust 6, 2018Wireless pa system for sale is a kind of device that transmits broadcast by means of wireless transmission. It has advantages such as no vertical pole stringing, wide coverage, unlimited capacity expa...view
【DSPPA】 Editor of Double National StandardDecember 22, 2021In May 2010, Technical Code for Public Address System Engineering (GB50526-2010), the world’s first national standard for public engineering with DSPPA as the chief editor, was issued by the Ministry of Housing and Urban-Rural Development of PRC, establishing China's independent intellectual property right in the field of Public Address (short for PA) system.view
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