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
September 11, 2018Descriptions of UHF 2-Channel Wireless Microphone RH331UUsing UHF640-840MHz band to avert interferencing frequency. All using quartz crystal oscillating circuits so the frequency is very steady. Speci...view
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
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