We will always listen to our customers' opinions and demands.
Junsung Tech is a company that is always pursuing full customer satisfaction with advanced technology and care.

Since our company's establishment in October 1985, we have produced, sold and repaired sound and video systems. As a company leading in the business of amplifiers for lectures, we manufacture and sell Gigaphones, the widely used mobile amplifier for lectures. We also manufacture and sell G Phones or cell phones with open sound to prevent hearing loss.

Under our corporate business management motto of "Comfort and satisfaction for all our customers", we develop new technology, produce various products related to mobile sound systems and are settling in as a young company leading the sound technology of Korea in the global market for full customer satisfaction.


In August 2007, we were awarded the Presidential Award in the area of technological development. We also acquired the Outstanding Product Certificate of the Korean Standards Association in November 2011. We pursue only the best products and have grown into a company whose product quality and technology have been acknowledged as being reliable in the global market such as the United States, Japan and Europe.

Gigaphone, a wired and wireless mobile amplifier for lectures (Giga M and G Phone), that is, a cell phone preventing hearing loss, are Junsung Tech's best products.