High Quality Hot Selling PA System Column Speakers Professional Speaker

Features:K403/K803/K163 are full-range series column speaker with different unit configurations, featuring small size, light weight, high sensitivity, clear and bright sound, can be used alone and combined with K112B or K112BAS to form a system to meet the needs of different small and medium-sized places. Unit configuration: 4, 8, and 16 x 3" neodymium full range units. The cabinet is made of aluminum alloy.  Applications:1.churchs 2.moving performance 3.multi-purpose halls Main Product  Introduction: 1.Line Array System:  LA series 2. Monitor System : MR series 3. PA two-way loudspeaker system: U series,QS series, FT series 4. Multi-purpose MINI System: MINI series 5. Column system: K series 6. Plastic system: CX series 7. Long through system: LT series 8. Karaoke sytem: IW series, PR series and KW series 9. Active Series: KS and U Active series 10. Electronice products: amplifier and processor Factory Introduction:FDB Audio Manufacture Co., Ltd is specialized in researching, developing and manufacturing in PRO audio products. The main products are professional transducers(HF driver & woofer), speaker cabinets and electronic products like amplifiers and processors. FDB Audio adopts the world' S top-aided software and advanced techonoloy, owns advanced production equipments and testing apparatus, establishes cooperation development mechanisms with a number of world top grade materials and accessories manufacturers. Some important materials are imported from abroad, like voice coil, diaphragm and paper cone. FDB Audio has established and strictly enforced the standard quality management system in accordance with ISO 9001: 2008. "Strictly enforce sound processes and standards, full quality control and customer satisfaction" is the quality policy.     Mr. Harry Xia is the boss of FDB Audio, graduated from Physical department of Zhenzhou University. He is engineer, has done proaudio district more than 20 years. He once worked for R&D department of the state-run speaker factory in Henan province about 3 years after graduating university, then worked for a Taiwan speaker factory in Guangdong about 2 years. After that, he joined Elder Audio as the sole engineer, factory manager and also one shareholder of this factory, once cooperated with BOSE, Thoman and Proel, they developed new models together. He worked for Elder audio about 9 years, quitted by the end of 2005 and established FDB Audio in Jan of 2006. During 9 years effort,   FDB Audio  Has gained good feedbacks from local and overseas market. The customers said " The quality is very stable, reliability and consistency are very good". Factory Pictures:Factory Contacts:    Web:  fdbaudiochina.en.made-in-china.com   /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1