2021


03Green technology certification : High-efficiency power amplifier technology (1H, 3000W, eff 93%)
03Green technology product : Power amplifier for public address (1H, 3000W, eff 93%) 

2020


08Patent registration : Broadcasting output system and method
08
Good Software certification (1st class) : Smart remote control broadcasting system V1.0
05Patent registration  : High-efficiency amplifier with integrated power supply and amplification part
04
New Product : High-efficiency amplifier (PRODIGI750Q : 1H, 3000W, eff 93%)
03Copyright registration : NUFI(NTEC User Friendly Interface)
02
New Product : NTEC(Novel sound Technology), PA system based on web control
01Patent registration : Short circuit proctor, Line short Protector

2019


09Patent registration : Overcurrent protection device for audio
08
New Product : Module to protect the amplifier from short circuit in real time
07Selected as a small hidden champion in Bucheon in 2019
02
New Product : Amplifier that maximizes efficiency and stability (PRODIGI series : 1H, eff 87%)
01Selected as a small hidden champion by the Ministry of Employment and Labor in 2019

2018


09
New Product : RX equipment with a function of short circuit protector (KSC-SCP32D)
06
New Product : Two types of short circuit protector (SCP16R, SCP16W)
03Patent registration : Real-time sound quality correction apparatus and method in audio device
01Patent registration : Multi-channel simultaneous short circuit protector and control method

2017


12Patent registration : Multi-switching device for sound equipment capable of self-diagnostics
1040th anniversary of Karak Electronics
07Patent registration : Real-time noise level change detection device, and noise level change analysis system
07Patent registration : A device for discriminating abnormal signals by analyzing changes in audio signals, and a device for suppressing generation of abnormal signals
06Patent registration : Noise change detection device using acoustic sensor including IoT location-based information and speaker control method
04Quality cerification : PA system with a function of short circuit protector
01Patent registration : Speaker distortion signal detection device

2016


12Patent registration : How to display the fast frequency response of a digital filter
07
ISO14001:2004
07
ISO9001:2008
04
New product : High quality sound DSP system based on variable filter bank for Pro Audio
01
Designated as an overseas procurement market entry company (G-PASS)

2015


12Patent registration : Output control method for amplifier with built-in DSP
05Patent registration : How to synchronize signals during an audio stream
05Patent registration  : Audio Stream Forming Device Using Topology
04Excellent performance certification : PA system with a function of real-time short circuit protector 
02Quality certification : Digital PA system

2014


11Patent registration : Real-time analysis system of speaker line
07
New product : PA system with a function of short circuit protector
05
New product : Pro Audio power amplifier with built-in DSP
04
Procurement Excellent Product Certification renew : Ring redundant network PA system
03
ISO14001:2004
03
ISO9001:2008

2013


10Patent registration : Real-time data hierarchical transmission system with minimized time loss such as a network and its method
09Excellent performance certification : Amplifier with a function of short circuit protector
07New Excellent Product certification renew : PA amplifier supporting ring redundant network
03Designated as a PQ company for overseas procurement market

2012


12Patent registration : Circuit design for short circuit protector
07Quality certification : CE about PRODIGI 2250/2500
05Quality certification : CE about PRODIGI 2800/4800/6800
03Quality certification : CE about PRODIGI 4120/4240

2011


07Patent registration : How to operate the button for PA system
07Quality certification : CE about PRODIGI 1200
04Procurement Excellent Product Certification : Ring redundant network PA system
03ISO14001:2004
03ISO9001:2008

2010


11
Patent registration : Digital amplifier
08
Patent registration : Real-time data transmission system that minimizes time loss in a network configured in the form of a ring topology
08
Patent registration : Control method for real-time data transmission system that minimizes time loss in a network configured in the form of a ring topology
07New Excellent Product certification : PA amplifier supporting ring redundant network
06Selected as a promising export small business by Gyeonggi Small and Medium Business Administration
05Selected as Gyeonggi e-Frontier company
04Patent registration - Speaker bracket
04Selected as a New Exporters 300

CEO. Gerard Chang

Add. 402-903 Bucheon Techno park, 655

Pyeongcheon-ro, Bucheon-si, Gyeonggi-do,

14502, Korea


TEL. (+82)32-621-0001 · FAX. (+82)303-0951-0022

E-mail. karak@karak.co.kr


Copyrights (c) KARAK. ALL RIGHTS RESERVED.

CEO. Gerard Chang · Add. 402-903 Bucheon Techno park, 655 Pyeongcheon-ro, Bucheon-si, Gyeonggi-do, 14502, Korea

TEL. (+82)32-621-0001 · FAX. (+82)303-0951-0022 · E-mail. karak@karak.co.kr


Copyrights (c) KARAK. ALL RIGHTS RESERVED.