Armybeat Electronic Co., Ltd.  

Product Name: Wall Mounted Speaker (SA3-40Q) Style: Head-mounted Transducer Principle: Piezoceramics Speaker Cone: Paper Cone Transmission Mode: Air-conduction Category: Speaker Trademark: armybeat Origin: China Product Description SA3-40QRated power: 40WLive voltage: 100VSensitivity(1m, 1W): 90± 3dBFrequency response: 100-20KDimension(mm): 335*190*200Material: ABSWeight(kg): 2.9Speaker unit: 6.5"+1"tweeter