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
September 11, 2018Descriptionsof ABS 20W Hanging PA Speaker RH-SL09The RH-AUDIO Hanging PA Speaker RH-SL09 helps you design a commercial sound system that will deliver excellent sound performance and coverage in your o...view
August 22, 2018Description of 100v Line Speaker Selector Switch RH2813B:The RH2813B is a 10-zone speaker selector switch that allows the user to distribute an amplified speaker signal up to listening zones that can ...view
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