Product Name: Speaker (BS-2160TS) Model NO.: BS-2160TS Style: Head-mounted Transducer Principle: Piezoceramics Speaker Cone: Paper Cone Transmission Mode: Air-conduction Category: Speaker Trademark: armybeat Origin: China Product Description The wall mountings suplied with enable it to be fitted easily and Flexibly to the wall or where a local background sound withMusic quality is wanted: Etc. Like in restaurants, building material Merchants and hotel foyers. BS-2160TSRated taps: 6.25/12.5/25/50W/8Ω Live voltage: 100VSensitivity(1m, 1W): 88± 3dBFrequency response: 65-20KHzDimensions(mm): 335*184*187Material: ABSWeight(kg): 3.95Speaker units: 6"+1"