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DSP227EN 24W EN54 Fireproof Wall Mount SpeakerMay 21, 2021This product is a EN54-24 certified 100V full-range outdoor wall mount speaker with a 5" speaker and power taps for 24W/12W/6W. It can be used for voice alarm and fire detection. With IP66 waterp...view
DSP3154EN 10W EN54 Fireproof Ceiling SpeakerNovember 15, 2016This product is a 10W fireproof ceiling speaker with aluminum mesh and fireproof cover, rust-proof and durable. The speaker features a reinforced adjustable clip for easy installation and a safety ste...viewDSP217EN 24W EN54 Fireproof Wall Mount SpeakerMay 21, 2021On wall or shelf projector 100V speaker, 24W – 12W – 6W, power taps, EN54-24:2008 standard certified.Plastic body made in ABS V0 type, Protection grid in aluminium. Suitable for indoor and outdoor i...viewwe will contact you within 24 hours.
Understanding 4G Wireless Public Address SystemApril 10, 2025The 4G wireless public address system is an audio communication system widely used in various occasions. Its main functions include information dissemination, emergency notifications, background music...view
National Standard GB50526August 22, 2018Technical Code for Public Address System Engineering (National Standard GB50526), mainly drafted and translated by DSPPA is officially published today! This Standard is the first national standard in...view
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