... DimensionsΦ138mm Dimensions Φ192×110mm Weight 0.60kg Color White 1)5"Speaker ,Loudspeaker Diameter is Φ 120mm ,Hole Dimensions Diameter is Φ 138mm ... . 70-110V Line Voltage .3) Ceiling Speaker,Wall Speaker ,Fidelity Speaker,Horn Speaker,Active Speaker,Mural Speaker,Microphone,Pendant Speaker,Wireless Speaker,Column Speaker ,Volume Speaker,Volume Control,Mixer Amplifier, Amplifier ...