September 3, 2018The RH-AUDIO 15W Stainless Steel Paging Horn Speaker RH-HS15 is made from stainless steel hardware for all-weather durability. It is designed to offer the high intelligibility of weather-resistant hor...view
January 9, 2018The Wall Commercial Loudspeaker of Public Address System RH-MS12 is designed with full ABS compact enclosure,which was injected with a circle mesh on its front to give sound out...view
January 9, 2018The Alarm Interface RH2815E is used in a public address system to produce an alarm sound either by a short-circuit signal to trigger auto-alarm or by a manual pushbutton,it can output a built-in siren...view
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