Armybeat Electronic Co., Ltd.  

Product Name: Speaker TZ-408TS Model NO.: TZ-408TS Style: Head-mounted Transducer Principle: Piezoceramics Speaker Cone: Paper Cone Transmission Mode: Air-conduction Category: Speaker Trademark: armybeat Origin: China Product Description TZ-408THSMax power/Rated power: 30W/20wImpedance: 100VSensitivity(1m/1w): 86± 3dBFrequency response: 130-20KHzDimensions(mm): Φ 205*182Hole for mounting(mm): Φ 165Material: ABS+IRON Rear DomeWeight(kg): 1.9Speaker units: 4"+1"tweeter