DSP9329A IP Explosion-Proof Telephone with Loudspeaker and Warning LightJune 29, 2023DSP9329A Explosion-proof Sound and Light Amplifying Telephone supports the standard SIP protocol and can be effectively compatible with commonly used IPPBX and network dispatching platforms in the mar...view
MAG202FD Explosion-Proof Networked SIP TelephoneNovember 7, 2025The Explosion-Proof Networked SIP Telephone is an intrinsically safe device designed to be explosion-proof, waterproof, and dustproof. Housed in a corrosion-resistant, vandal-proof cast aluminum water...view
DSP9331 Audio Intercom Terminal with One ButtonApril 15, 2024The product is an all-digital network-based intercom device with a proven VOIP solution at its core, stable and reliable performance; adopts hands-free digital full duplex mode for clear and loud voic...viewwe will contact you within 24 hours.
What Is Public Address Amplifier?May 25, 2023The Basics of PA AmplifiersPublic Address (PA) systems have become an essential tool for delivering clear, intelligible sound in various settings, including schools, houses of worship, stadiums, and p...view
DSPPA kicking off the internationalization of the National StandardNovember 25, 2016The kick-off meeting of internationalization of the National Standard – Technical code of public address system engineering (GB 50526) was held in the 798 art zone, Beijing on May 24, 2014. This meeting is hosted by Guangzhou DSPPA Audio Co. Ltd, and tenview
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