January 9, 2018The RH-AUDIO PA power amplifiers are designed to operate under a variety of conditions without fail,models with much higher power 1000/1500/2000 watts support the conditions where high power level of speakers or group of speakers are needed.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
September 11, 2018Descriptions of UHF 4-Channel Wireless Microphone RH860UUsing UHF640-840MHz band to avert interferencing frequency. All using quartz crystal oscillating circuits so the frequency is very steady. Speci...view
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