WJ-20 200W Acoustic Hailing System Auxiliary SpeakerMarch 22, 2017The WJ-20 is a 200W all-weather acoustic hailing system loudspeaker. With the high-end speaker unit, it brings high speech intelligibility and excellent sound reinforcement effect, which is suitable f...view
LRAS1410 100W Special Acoustic Hailing SystemNovember 15, 2019LRAS1410 acoustic hailing speaker can be clearly heard by vehicles 200m away, suitable for remote amplification and emergency weather forecast on the highway; It can be used in special places such as wildlife reserves, chemical plants, power stations, traffic control areas, and airports; All-weather design with a shell made by aerospace industry technology, resistant to acid and alkali as well as salt spray, and can withstand high-strength impact and vibration.view
AHD200 200W All Weather Proof Design Acoustic Hailing System Auxiliary Speaker (16Ω)November 20, 2019viewwe will contact you within 24 hours.
DSPPA at Securika 2017,Moscow,Expocentre FairgroundsSeptember 5, 2017The 23rd International exhibition of security and fire protection equipment and products, has been successfully held at Expocentre Fairgrounds,Moscow during 21-24 March,2017.The innovative range of DS...view
New Arrival of DSPPA Immersive Audio System DSPPAApril 18, 2022Abstract: DSPPA Immersive Audio System makes its debut.view
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