Kyung Jin Electron is a leading company in Korea as manufacturer and exporter in telecommunication headset.The company was founded in 1980 and commenced to producethe audio equipments such as microphone for karaoke,speaker for PC, headsetphone, earphone and cellular phoneearset etc.From 1991, we have been producing the amplifier for single-line use and have additionally developed someamplifier for the keyphone use since then.These amplifier are compatible with nearly 95% of thosetelephones being sold in market with 6 types of Dip. switchsetting simply and the balance 5% will special PBX system.As a quality endorsed company for FCC, CE, Kyung Jin offers both a better price and better service with respect of telecommunication products.Presently, we are getting so good reputation form overseascustomers because many of customers want the competitive