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 3, 2018The RH-AUDIO Waterproof 2 Way On Wall Speaker RH-MS820 or RH-MS860 is designed with woofer and tweeter, the woofer is constructed from polypropylene and has a rubber surround, the directional tweeter ...view
January 9, 2018The RH-CH31 is an unidirectional sound projector speaker is made out of all metal extruded aluminum alloy enclosure with cast aluminium top and bottom plates are fully antirust, dustproof and weatherp...view
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