Sinar Baja Electric

Established in 1981 and extensively expanded ever since to become the largest loudspeaker manufacturer in Indonesia. With a population of more than 250 million people, Indonesia is a significant contributor to global manufacturing.

To this day, Sinar Baja Electric is a privately held group of companies in Surabaya, Indonesia. We develop and manufacture our own range of brands that are offered world wide through our distribution supply chain in major markets such as Europe, Australia, Asia and the United States.

We are proud to be the preferred OEM/ODM supplier of many prestigious brands from Lifestyle Hi-Fi, High-End, Automotive to Professional Audio, and much more.

With more than 42 years of history in loudspeaker manufacturing and innovation, we continues to expand in both quality, capacity, as well as services. With in-house Research & Development through the latest technologies as well as extensive experience in quality control and mass production we are confident we can deliver what you are searching for.


Domestic Market Leader
Leading the Indonesian market and provide sought after transducers, while maintaining good customer relations with our valued local customers.

Worldwide OEM/ODM Relations 
Serving OEM/ODM customers globally as a priority, we meet their needs and focus on maintaining productive & professional relations.

Innovation in Technology
Continuously develop our knowledge, skills, and expertise through innovations to compete in a global market.

We the Employees
Supporting each other and respecting the individual. Improving our interaction to advance the loudspeaker transducer market globally.


We believe a business should engage in society through their actions. We strive to dedicate skills and technology to the best of our ability and taking responsibility for the  quality of our products while bringing the best sound quality to the world.


Everyone at Sinar Baja Electric is guided by the following core values:

We uphold a high work ethic and the respect company rules and social norms, as we continue to build good relationships internally as well as globally.

We are a valuable partner as we are committed to contribute to our local community and society.

We act with consistency in all that we do and we value your trust.
As we continue to compete on a global scale we strive to be the leaders in technology.
Communication, Coordination and Collaboration
We value the skills, knowledge, and perspectives of others as we are part of a team working together to achieve the best outcome.
These values describe our company as we want it to be. We want our decisions and actions to demonstrate these values. We believe that putting our values into practice creates long-term benefits for the customers, employees, suppliers and the communities we serve. 

History of Sinar Baja Electric

Sinar Baja Electric has been producing speaker drivers since 1981. Providing the finest quality at a competitive price to unlock sound for better lifestyle, Sinar Baja Electric has become Indonesia’s largest loudspeaker manufacturer. We can help you build your sound.

Steered from the vision to be a world class leader in transducer development and manufacturing. With cutting edge technology we have been successful in producing a variety of transducers with long term returning customers from every corner of the world.

In 1981:  Established in Indonesia with in-house voice coil production.

In 1983:  In-house steel chassis stamping and zinc plating finishing.

In 1985:  Established PT Indoyoke, steel parts factory (T-yokes).

In 1987:  Established PT Multicore Paperindo, soft parts factory. 1st export to the USA.

In 1990:  Established PT Sentral Bahana Ekatama, plastic injection factory.

In 1991:  In-house steel upper plate production & chassis painting facility.

In 1993:  Awarded Honda Prospect Motor as a tier-2 supplier.

In 1994:  ACR Pro driver entered the market.

In 1995:  Established Sinar Baja Pan Yu, steel parts factory in China.

In 1996:  ISO 9002 certified. In-house workshop established.

In 1997:  Awarded as preferred supplier of Yamaha.

In 1999:  Awarded Daihatsu Motor as a tier-2 supplier.

In 2000:  Awarded Bentley as a supplier. Established in-house painting facility for steel parts.

In 2006:  Collaboration with Engineer Consultant in Denmark, known as SCAR. Birth of SB Acoustics brand for Hi-End market. Birth of Rhyme Pro Audio System.

In 2007:  Expansion of factory in Indonesia onto a 5 hectare facility.

In 2009:  Formerly known as SCAR changed to Danesian Audio in close collaboration with Sinar Baja Electric.

In 2012:  Awarded Astra Daihatsu Motor as tier-1 supplier.

In 2015:  ISO 9001 certified.

In 2016:  IATF 16949: 2016 certified.

In 2017: Established in-house woodworking production facility.

At Sinar Baja Electric we are excited to provide the solutions that meets your needs. Come along and let’s make the world sound a little better.



Quality Management System

The highly acclaimed IATF 16949 Quality Management System is established throughout every process in Sinar Baja Electric assuring that the product quality, processes, production and development methods are properly organized and documented.


Failure Mode and Effect Analysis

FMEA is implemented to predict potential failures and minimize risk. This method allows us to identify areas of special focus to strengthen quality.


Advanced Product Quality Planning

APQP is used as our process planning tool to develop and produce a product that will satisfy the customer specifications.


Production Part Approval Process

The PPAP process is designed to minimize the risk of failure by effective use of APQP. Actual production parts are used during the documentation of this process.


Statistical Process Control

SPC is implemented as part of our Quality plan to ensure that the manufacturing process operates efficiently with product conforming to specification with less waste.


Environmental Health and Safety Management System (EHSMS)

Sinar Baja Electric is highly concerned to protect Environment and carry out Health and Safety in every process. Had been proofing by certified ISO 14001:2015 (Environmental Management System) & ISO  45001:2018 (Occupational Health and Safety Management System) from the International Organization for Standardization.



CV Premier Wood Manufacturing

CV Premier Wood was established from the need for medium to high capacity speaker cabinets and final assembly. Located close by, the wood cabinet manufacturer is a strategic partner for Sinar Baja and capable of handling cabinet quantities of more than 100,000 pcs.

Danesian Audio

Danesian Audio is a technology driven company constantly striving to push the boundaries of acoustics. Founded in 2009 by Sinar Baja Electric as Research and Development facility located in Herning, Denmark. Bringing the experience and know-how from the Danish audio industry into our products.

Danesian Audio has produced several notable patents: including 2 tweeter technologies, shallow mounting solutions for long excursion woofers, including variation that could be used in docking stations, TV speakers, as well as OE automotive applications. These products are showcased by SB Acoustics and used by many of the most notable speaker manufacturers in the world.

PT Indoyoke

Strategically located across from Sinar Baja Electric, Indoyoke has been our go-to heavy steel parts supplier as they are able to consistently meet our standards.

PT Sentral Bahana Ekatama

Located 15 minutes from Sinar Baja Electric, Sentral Bahana Ekatama supports with plastic injections parts. With mostly fully automated machines we can trust the consistency and quality of this production sites.