- Se Jin Instrument Co., Ltd.
- Waistband Amplifier (WAP - 5D),Analogue Multimeters (1106),Horn Speaker System (TH - 4A4),Dynamic Microphone (SJ 305),Power Megaphone (ER - 67S).
- Address:116-4,Jangsa-dong ,Jongno-gu
- AEPEL CO.,LTD
- wireless microphone,amplifier,speaker,surround speaker,PA speaker,power amplifier.
- Address:445-13 Guemsung-ri, Tanhyeon-myeon
- Kedcom Co., Ltd.
- Commercial Amplifier,HI-POWER Amplifier,SVR,SVR Analog type,GSM,Connector,Signal cable,GSM.
- Address:Changgang Bldg.,Dohwa 1-dong ,Mapo-gu
- Nexcon Technology
- Battery Application, Power Management Solution, Digital Audio,amplifier.
- Address:Yobang-Ri 303-1 Sunggeo-Eup
- Stk Professional Ltd.
- Power Amplifier,Console Mixers,Signal Processo,Active Speaker Systems,Powered Mixers.
- Address:369-1,Gurae-ri,Yangchon-myeon ,Gimpo-si
- SUNWAVETEC CO LTD
- Coupler/Divider,Filters,Combiners,Power Amplifier,Fiber optic module,Psssive components,Antenna,Repeater,Satellite,TMA,TMAs,System Components,Hybrid Combiners,Multiband Combiners,Duplexers,Filters,Hybrid Coupler.
- Address:Sunwavetec Bldg, 990-3, Cheonggye-Dong,
- Dasan Elecrronic Co.,Ltd.
- Amplifier (DA-275) ,Wireless Headset,Headset (DH-023T) ,Carbon amplifier for Automatic Call Distribution (DA-375 ) ,Power Adapter,DA-911,DA-207 ,DH-025T,Headset (DH-017TP) ,USB Headset Adapter for VoIP (DSU-11M) ,Wireless Headset,DA-475,DH-017TP,DH-017TS.
- Address:1271-11,Sa-dong ,Sangnok-gu, Ansan-si
- Kortcom
- RF amplifier,High power amplfiler,CDMA amplifer,signal booster,GSM amplifier,HPA,RF Switch,LNA.
- Address:3F I-MAX Bldg, 196-37, Anyang-dong, Manan-gu,
- FIBERPIA CO LTD
- Optical power meter,optical jumper cord,optical light source,Optical amplifier,Optical filter,light source,power meter.
- Address:702 Tamnip-Dong Yuseong-Gu
- YesMedia
- Multimedia education system, digital amplifier, headset,Education Appliances,Amplifier,Earphone & Headphone,UPS & Power Supply.
- Address:70-17, Tanbang-dong, Seo-gu
- SOUND PLUS LIMITED
- TROJAN-380,CHAmp-PC30,TRAmp-USD,Power Lectern,Portable Wireless Amplifier.
- Address:2f, Geoyeo-Dong, Songpa-Gu
- Dae Sung Hi-Tech Elec Co., Ltd.
- Stereo mixer,Public address amplifiers,Mosfet stereo power amplifier,Car power amplifier,Car power amplifier.
- Address:FL4,5BL,Gayang-dong ,Gangseo-gu
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