September 3, 2018This fireproof ceiling speaker is specially designed for fire alarm and voice evacuation system, which is designed and manufactured according to EN54-24 standard.The metal grille, metal baffle and fir...view
June 13, 2018Descriptions of Wireless In Ceiling Wifi SpeakerThe RH-AUDIO Wireless In Ceiling Wifi Speakers are Wifi based audio solutions with Class D amplifier as following:Model RH62WF with 2CH amplifier 2*30W:...view