You are here

Error message

Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in _menu_load_objects() (line 579 of /home/customer/www/

Business and Technical Partners


To manufacture high-quality car audio products to our customers, we at Dongguan HLH Electronics are very selective when we choose business and technical partners. We ask our partners work just like us, to do our best to offer high-quality products to our customers at competitive prices. Here is a partial list of our such partners we are proudly to present to you.


Fengfang Digital

Shenzhen Fengfang Digital Technologies, Co., Ltd.

Fengfang Digital is our main audio DSP solution provider. We have been working with them ever since the founding of our company. Fengfang Digital's expertise is in audio DSP solutions ranging from Texas Instruments (TI), Analog Device (ADI), and other major audio DSP processor based solutions. With Fengfang's DSP solutions, HLH's audio products can be found from major brands, both from China and worldwide.



Fortex Industrial

Fortex Industrial Limited (HK)

Fortex is a long-term audio product developer and manufacturer, known in the industry for almost 30 years. We are proud that we have formed strategic partnership relation with Fortex, thus both companies can be mutually beneficial. Fortex likes us because of our strong R&D capabilities and our latest car audio DSP amplifier technologies. To us, we can leverage Fortex's long time standing in the industry and take full advantage of their market-proven high-quality manufacture capabilities. We believe such partnership is very beneficial to our customers. Working with Dongguan HLH, our customers receive the best from us and Fortex.



Texas Instruments (TI)

Texas Instruments

TI audio DSP has been used in automotive audio amplifier solutions for years. Many prestigious cars are using TI audio DSP. TI is also a major vendor of analog audio devices. Majority of Dongguan HLH Electronics car audio amplifier products are based on TI audio DSP. With the latest audio DSP technologies, we offer our customers state-of-the-art audio amplifier products and offer the best audio experiences to consumers.



Analog Devices

Analog Devices

Analog Devices is another major audio DSP device supplier. They have been in audio amplifier products for years too. Just like TI, Analog Devices also have a wide range of analog audio devices. Many of our car audio amplifier products are based on Analog Devices audio DSP. It makes Dongguan HLH Electronics a unique position able to offer solutions based on both TI and Analog Devices audio DSPs. With such technical capability, we are able to meet different requirements from various customers.




Dirac Research AB

Dirac Research provides audio digital signal processing (DSP) algorithms used in car audio amplifiers. Their technologies are the core of audio processing, can be found in Rolls Royce, Volvo, BMW, and other automobiles. In addition to car audio, Dirac technologies can be found in other products such as smart phones.




DTS, Inc.

DTS has audio solutions for mobile devices, home theater systems, cinema and beyond. They provide high-quality, immersive and engaging audio experiences to listeners everywhere. Their car audio solutions include HD Radio technologies, which bring enhanced audio quality to drivers. DTS algorithms rely on DSP device based solutions, which makes Dongguan HLH a natural partner with DTS to adopt their audio technologies.




Dolby Laboratories, Inc.

Needless to say, Dolby becomes a word representing audio, probably ever since the term Dolby Stereo was introduced to consumers. For years, Dolby has been developed many amazing audio technologies to the world, used in cinema, home theater, mobile phones, and other areas. All Dolby technologies require audio digital signal processing. Most of products adopting Dolby technologies are using audio DSP devices. As an audio DSP shop, we at Dongguan HLH like to apply Dolby technologies in our products to our customers.


New Products







Model D3042

  • Cost-Effective Compact Amp
  • Mobile Apps
  • 4-ch 30W & 2-ch line out
  • ... ...

Read More



Best Seller




Model D7562

  • Best-in-Class Multi-Channel Amp
  • Mobile Apps
  • 6-ch 75W & 2-ch line out
  • ... ...

Read More







HLH logo


Dongguan HLH Electronics, Co., Ltd.


Dongguan HLH Electronics Co., Ltd.

   Keji 8th Road
      Songshanhu Internet of Cars Industry Incubate Base
      Room 201, Building 1
      Dongguan, Guangdong 511700