Product Name: Speaker BS-1050 BS-1050T BS-1050TS Model NO.: BS-1050 BS-1050T BS-1050TS 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 to be fitted easily and Flexibly to the wall or optional cluster mounted with B-1/B-2, W-1/W-2 for ceilings or where a local background sound with Music quality is wanted: etc. Like in restaurants, building Material merchants and hotel foyers.BS-1050TSMax power/Rated power/Rated taps: 3.75/7.5/15/30/8ΩLive voltage: 70v/100vSensitivity(1m, 1W): 89± 3dBFrequency response: 100-18KHzDimensions(mm): 242*182*162Material: ABSWeight(kg): 2.5Speaker units: 5"BS-1050TRated power: 30WLive voltage: 100VSensitivity(1m, 1W): 89± 3dBFrequency response: 100-20KHzDimensions(mm): 242*182*162Material: ABSWeight(kg): 2.5Speaker units: 5"BS-1050Max power/Rated power: 60/30WImpedance: 8ΩSensitivity(1m, 1W): 89± 3dBFrequency response: 100-20KHzDimensions(mm): 242*182*162Material: ABSWeight(kg): 2.3Speaker units: 5"