... 18000HzLoudspeakerΦ120mm/Φ25mmHole Dimensions-DimensionsΦ230×150×150mmWeight2.30kgColorWhite1)Fidelity Speaker. Loudspeaker Diameter is Φ120mm/25mmDimensions ,Φ ... Line Voltage .3) Ceiling Speaker,Wall Speaker ,Fidelity Speaker,Horn Speaker,Active Speaker,Mural Speaker,Microphone,Pendant ... ,Conference Speaker ,Meeting Speaker etc.4) Fidelity Sound,equipment for the reproduction of sound with high ...