September 11, 2018Descriptions of Aluminum Hanging Pendant Speaker RH-SL02The RH-AUDIO Aluminum Hanging Pendant Speaker RH-SL02 is designed for an excellent choice for high ceiling and open space environments,delivers ...view
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