About Us

Richsound Electronic Industrial Ltd (RSR) is a high-tech enterprise with its headquarters located in Zhongshan City, and a branch office in Hong Kong. The company’s product portfolio spans a wide range of offerings, including Soundbars, Home Theater Systems, Party Speakers, Bookshelf Speakers, Home Audio, Micro Systems, Chat GPT / Al Smart Devices, Professional Audio, and Audio Furniture / System Solutions.
Richsound’s industrial park covers an impressive area of over 100,000 square meters and houses 38 production lines. This facility is equipped with world-class amenities, including an EMC chamber, Wi-Fi RF lab, anechoic chamber, Dolby authorized test lab, listening rooms, fully-automated SMT lines, and reliability test labs, among others.
With a team of over 180 engineers dedicated to innovation and advanced development, Richsound is well-positioned to meet the evolving business and development needs.
Furthermore, construction of the second phase of the industrial park is already underway and is expected to be completed by the end of 2023.
Richsound’s commitment to excellence, backed by its strong R&D background, highly experienced teams, and fully equipped industrial facilities, positions it as a world-class manufacturer of consumer electronic products.











Independent Patents





  • Headquarter

    Zhong Shan City Richsound Electronic Industrial Ltd
  • Branch Office

    Richsound Research Limited (Hong Kong)
  • Oversea Factory

    Richsound Research (VN) Co. Ltd. (Under preparation)
  • ID Designers Team

    Zhong Shan City Richsound Electronic Industrial Ltd

Come to RSR

Our Brand

  • Brand Background
  • 5dB Technology Principle

RichSleep Research BRAND

RichSleep Research (RSR) is a consumer electronics brand focusing on sleep quality improvement by means of scientific approach.  Our team consists of top-tier product management, project management and R&D members, together with Professor Zhang Zhi's team from USTC and his scientific research of "specific sound to improve one’s brain function“, we have developed the RSR 5dB sleep-aid device.  This sleep-aid device is the outcome of our parent group Richsound Research’s strong R&D and manufacturing capabilities along with extensive testing and verification processes. 

Sleeping problems have evolved into a global issue, regardless of nationalities, genders or age groups. RSR is committed to resolve this sleeping problem and to improve people’s sleep quality via scientific and healthy approach.

Our Global Partners and Customers