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Quality Products

  • BT-914NC

  • BT-3994

  • BT-3993

  • BT-241

Cobalt has earned the reputation of providing high-performance audio products within very tight schedules. We credit our reputation to the fact that we control all aspects of the development process including design, in-house manufacturing and testing by our strict management system and quality control system according to ISO 9001: 2008 certification guidelines. 

To date, Cobalt has taken significant steps to meet increasingly stringent requirements for environmental preservation and has been accredited by IECQ to comply with QC-080000 which substantiates our manufacturing facilities to fully comply to the RoHS directives by adopting measures to eliminate specified harmful substances from existing products as well as production techniques. In July 2007, our facilities were accredited to comply with ISO-14001:2004 & ensuring our customers that not only the products but the entire manufacturing process & operation adopt environmental preservation & protection policies

Who we are

Cobalt Industrial Co., Ltd is a professional manufacturer of various acoustic products, audio, multimedia and telecommunication accessories. Established in 1989, Cobalt has since built up its ‘SONTEC’ brand name to be a recognized brand in the market & a product line dedicated to the educational market in 2001 under brand name ‘Wisehead”

Your Electo-Acoustic Partner

Our manufacturing facilities cover more than 200,000 square feet area and employ over 1,000 skilled employees headed by a group of professional managers. Our manufacturing facilities are equipped with a wide range of electronic, mechanical and safety testing equipment to ensure products made by our 20 production lines meet with the stringent quality & performance requirements to realize an output exceeding 800,000 units every month.

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