OTL PA DIGITAL AMPLIFIER (2010’)
Compared to analog amplifier, its output efficiency is higher and sound distortion is less. It is a kind of Digital D-Class amplifier using PWM modification technology, so that applicable to high output PA AMP SYSTEM. Weight is light but efficiency is high as it is adopting special technology, currently applying for partent, not to use electric transformer in input module.

U-SOTEC based on Ring Architecture (2009’)
One of critical points required in Network PA system is to make it possible to broadcast disaster situation in any circumstances. It solved this mission and applying for partent. Even though some troubles occur in network, the packets can be delivered through AoIP method and network controller can monitor it on real time basis. We developed such PA system for the first time in the world.

SOCOM/SOTEC Upgrade(2009’)
We newly developed software embedded system and integrated it into existing SOCOM system to remove inconvenient matters in controlling entire system with single MCU. It makes it possible such functions as reserved broadcasting, keeping broadcasting record,MP3 play, broadcasting area selection through GUI and TTS (Text to Speech)

U-SOTEC SYSTEM (2008’)
is a Full Digital Public Address System with Redundant Network. Central & Distributed Control are available.
And this provides various topology and reliable network condition.

SOTEC III SYSTEM (2005’)
is a Digital Public Address System by Serial Data Digital Control Method. It is designed for IBS Building, Department store,
Factory, Huge Distribution center, etc. By computer, managing data, easy to check the system situation through Monitor or Touch Screen.

EI (Environment Info. System) System (2004’)
To improve happiness of Future Residential Environment, EI System is technical innovation which is combined A/V system &
Weather Forecast System. It provides local weather information and useful life index and allows pleasant and safe life.

SAZEC SYSTEM (2003’)
stands for SAFETY ZONE CALL SYSTEM. It is an advanced crime prevention system that includes DVR for monitoring and
recording, CCTV system using digital zoom cameras, automatic location tracing equipment and Emergency call. ( Patent Pending)

ONE CABLE MULTI DATA TRANSCEIVER SYSTEM (2001’)
with ONE COAXIAL CABLE, you can control 16 cameras in maximum. By combining all these factors of images/voice/DC
/emergency call sensor/data control signals, the system supports two-way transmission.

SOCOM SYSTEM III (2000’)
is designed only for future APT controlled by computer. Touch screen provides users for safety and convenience.
All the broadcasting record, printing, advance broadcasting, emergency broadcasting is possible.
And you can control the unit outside through communicational interface.

TOUCH SCREEN SYSTEM (1999’)
You can control various complex accessories by computer program in broadcasting room simply and effectively.
This three dimensional Touch Screen System orders A/V equipment by soft touching with fingers.

DIGITAL VIDEO RECODER (1999’)
is possible to be substituted to VTR saving analog image of CCTV as digital signal in HDD of PC.
No need to change recording tapes. Convenient search by date/month/day are possible. You can print images.
This can search and record 16 CCTV channels simultaneously.

DRT SYSTEM (1998’)
made an emergency broadcasting system by digital broadcasting system (R type) with inexpensive cost.

SOTEC SYSTEM (1997’)
is a broadcasting Control System for IBS Building of 21 century. By computer, managing data, easy to check the system situation
through seeing monitor. This system is a total broadcasting control system for future building.

SOCOM SYSTEM 21 II (1994’)
is able to manage synthetically the data of man-less watching camera, crime prevention, broadcasting, image and etc.
It arrange and trans all data by computer system

SOCOM SYSTEM 21 (1993’)
is developed to handle a lot of signals by digital with future type and made to be controlled by computer system.
And also it is geared with R type relay receiver of fire

PRO SOUND SYSTEM (1990’)
is developed for expert based on long experience. We have supplied audio mixer, amplifier, Speaker and etc. in domestic market and
obtain excellent result through attending 88 Seoul Olympics as a broadcasting manage company.
Ceiling Speaker is registered Utility Model in Korea(No 0164219)