The KOB - Korea International Broadcasting, Media, Lighting and Sound Expo is the most authoritative and exclusive audio-visual broadcasting sound professional exhibition in South Korea. Organized by Korea Eandex and the Korean Broadcasting Technology Association, it is supported by the Ministry of Knowledge Economy, the Broadcasting Communications Commission, the Seoul Metropolitan Government, KBS, MBC, SBS, EBS, the Korean Image Industry Association, the Korean Audio Society, and the Korean Electronics and Telecommunications Research Institute, as well as related agencies and groups and broadcasting companies. It has now developed into a world-class exhibition for broadcast, sound, stage, lighting equipment.

The last KOB - Korea International Broadcasting, Media, Lighting and Sound Exhibition covered an area of 36,000 square meters with 500 participating companies from China, Japan, India, Singapore, Pakistan, Hong Kong, Germany, Dubai, Italy, the United States, Brazil, Spain, and more. The number of participants reached 50,000. Notable Chinese exhibitors included LIAO DE光电, LEI LING显现, QI P光电子, MAI PU视通, and HA YANG电子, who all shone brightly.

The aim of the KOB - Korea International Broadcasting, Media, Lighting and Sound Exhibition is to gather the best broadcasting, imaging, sound, and lighting equipment from around the world for display and introduction. It provides new opportunities for the advanced development of the broadcasting, imaging industry and the sound, lighting industry, while also having the ability to respond to rapid changes in the market.