September 3, 2018The RU-AUDIO 6W Wall Mountable Speaker RH-MS04 is designed to quickly mount in an existing flat substrate with a mounting hole. Equipped with 100 volt transformer tappable at 3W and 6W, quite suitable...view
January 9, 2018The Telephone Interface RH2818I can automatically answer an incoming phone call and broadcast the caller's voice over the PA system and even to individual zones,and a microphone input is provided for ...view
January 9, 2018The RH2805M is a kind of timing player of the MP3 program timing platform and integrating the playing of program and the timing control of the playing of the program from U disk.view
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