January 9, 2018The 30ch Alarm Matrix RH2819A connects between a facility's fire alarm system and public address system,it has a multi-pin bus ready to be integrated with fire alarm system ...view
January 9, 2018The RU-AUDIO Surface Mount Wall Speaker RH-MS19 has unique with flat rear,generally produces better sound withouttaking up the valuable floor space that floor mounted speakers, can be placed anywhere ...view
January 9, 2018The RH-AUDIO coaxial ceiling speaker RH-TH61 is designed with 8” PP cone woofer and 1” dome tweeter in coaxial way, provides premium performance in background, foreground and music-plus-paging sound...view
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