About FourSemi

About FourSemi

Domestic leading perceptual-intelligence chip provider


FourSemi was founded in 2016. The core team members have more than 20 years of experience in the world's leading semiconductor companies. FourSemi team have rich experience of complex structure mixed-signal IC design.  The company is domestic leading perceptual-intelligence chip provider, focusing on leading innovation in intelligent audio and haptic feedback. Products cover Automotive Intelligent Audio chip, Mid/High Power Intelligent Audio chip, Portable Intelligent Audio chip, Haptic Driver, Power Management, Sensors and Intelligent Audio Algorithms.  Products are also widely applied in smartphones, tablets, wearable devices, smart speakers, IOT, automotive applications, etc.


FourSemi combine digital and analog circuits and audio algorithms together and launched  ASIC DSP smart PA, Mid/High Power Intelligent Audio chip, AEC-Q100 certified automotive-grade Intelligent Audio chip   respectively in 2017, 2021, and 2023, achieving a breakthrough in this field in China. 


FourSemi products have been approved by domestic and international first-class brand customers. Mass production customers include Samsung, Xiaomi, vivo, moto, Honor and other well-known companies. Based on the mature supply chain system, as well as the company's long-term investment and accumulation in audio, FourSemi has broken through the signal chain and expanded the perceptual-intelligence chips in a deeper and broader direction.


Domestic leading perceptual-intelligence chip provider
Company Culture
Mission

Mission

Focus on Customers, Serve the Customers

Values

Values

Proactive, Accountability, Fully Committed, Teamwork, Continuous Learning

Quality Policy

Quality Policy

Full Participation, Continuous Improvement. Full-process Control , Customer Satisfaction Guarantee

Company Culture

Company History

2025

2025

  • Established a deep partnership with one of the world's largest new energy vehicle manufacturers through automotive-grade intelligent audiochips
2024

2024

  • Launch the new-generation flagship intelligent audio chip with a completely redesigned architecture
2023

2023

  • Haptic driver chip achieved commercial sales
  • Recognized as a "Specialized,Refined,Differential,Innovative" small and medium-sized enterprise by the Shanghai Economic and Information Technology Commission
  • Recognized as a "Specialized,Refined,Differential,Innovative" "Little Giant" enterprise by the Ministry of Industry and Information Technology of China
  • Launched domestic leading, AEC-Q100 certified automotive-grade perceptual-intelligence audio chip
2022

2022

  • Won the Innovation and Entrepreneurship Award of Pudong New Area, Shanghai
  • Won the "IC Unicorn of the Year Award" of China IC Billboard
  • Become a direct supplier to one of the world's leading electronics companies
2021

2021

  • Domestic leading mid/high power intelligent audio chip achieved commercial sales
  • Won the "Annual Upstart Company Award" of China IC Billboard
  • More than 100 million units total shipments
2020

2020

  • Launched N-DSP intelligent audio chip product
2019

2019

  • Entered world-famous brands’ supply chain
  • Launched SPC audio chip product
2018

2018

  • Entered major Smartphone ODM supply chain
2017

2017

  • Domestic breakthrough ASIC DSP intelligent audio IC achieved commercial sales
2016

2016

  • Company Established

Corporate Honors

The company has been recognized as a "Small Giant" enterprise in the fifth batch of specialized, refined, unique, and innovative enterprises by the Ministry of Industry and Information Technology. Additionally, it has been recognized as a specialized, refined, unique, and innovative enterprise in Shanghai by the Shanghai Municipal Commission of Economy and Informatization. Furthermore, the company has been awarded the "2022 Pudong New Area Innovation and Entrepreneurship Award".

专精特新“小巨人”
上海市专精特新
临港专精特新
创新创业