*Professional integrated Ceiling-type network audio decoding speaker, built-in digital constant resistance power amplifier and high fidelity loudspeaker.*It can···

IP Address System (2023-06-14).rarIP NETWORK SPEAKER SETTING2024.12.26.pdfFeature Introduction of IP Network Public Address System2024.12.26.pdf* The operating ···

*Integrated design of digital network decoding module and column speaker, aluminum alloy waterproof and rust-proof housing structure; *outdoor column speak···

Voice Announcer ceiling speaker 6w,Power-on automatic voice loop playback, with 4m memory, single loop playback, or single play once, ceiling ins···

Ceiling mounted infrared human body induction voice prompt horn,Infrared human body induction is a kind of technology that induces human body activity informati···

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