January 9, 2018The RH-AUDIO coaxial ceiling speaker RH-TH26 is designed with professional 2-way crossover, provides premium performancein background, foreground and music-plus-paging sound system.This speaker is ide...view
April 18, 2018In the pa system the Preamp RH2011P takes whatever source it gets from microphone,CD/USB player or FM/AM tuner, and prepares that signal with a medium to high output impedance and current for the powe...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