Through the PA system optimized for various places, only the necessary information is delivered with good sound to an unspecified number of people.

Enjoy vivid, high-quality pro audio sound in multi-purpose auditoriums, professional gyms, concert halls, churches, and theaters.

You can enjoy HD-level high-definition video and high-quality sound through digital video broadcasting production Device, transmission Device, and reception Device.

We directly develop and produce broadcasting/markers/CCTV systems for railway vehicles/station broadcasting, and supply excellent products to domestic and overseas railway infrastructure, such as Seoul Metropolitan Rapid Transit Line 7 and Turkiye National Railway Project.