Hitachi LP-WU9750B

The latest Hitachi LP-WU9750B projector is a 1-Chip DLP project. Amd it is the first Hitachi projector using laser phosphor light source. It supports high resolution WUXGA that covering Full HD and 3D viewing. Suitable for classrooms and auditorium.

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Opticis HDCX-100

The new HDMI HD-BaseT extender, HDCX-100 has one CAT5e or CAT6 cable connection and is designed compact enough to be fitted in to various installation environment.

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Visionary Solutions E4000 & D4000

Visionary Solutions 4K UHD over IP cinema quality, ultra-low latency, encoder and decoder bypass the constraints of traditional switch matrix distribution systems by harnessing the flexibility and scalability of converged IP networks.

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April 2012

In the month of April, we will be adding Chinese translations to our website to better serve our customers in Hong Kong. Additionally, we will be updating our installation database to feature projects that we have done in the past. As it has been a very busy and hectic few months for our company, we are now ready to concentrate on updating our website to feature our newest products and installations. We hope you find this information helpful and please do not hesitate to call us should you have any questions or concerns.

And most important of all, we wish you a Happy Easter Holiday:



A Brief Introduction...

Founded in 1985, CAH Professional Sound Company Limited is recognized as one of the leading pro-sound distributor and contractor in Hong Kong; with branch offices located in Los Angeles and Guangzhou. The principal business of CAH includes system design, consultancy, equipment supply, installation, equipment rental, testing / commissioning, training and maintenance of various Sound Reinforcement Systems, BGM Systems, Public Address Systems, Conference & Voting Systems, Audio/ Visual & Multi Media Systems etc. for mobile and fixed installations.

CAH represents a number of world renowned professional audio manufacturers for product distribution in Macau, Hong Kong & China. We design and build high quality audio products that are marketed worldwide bearing the CAH brand name, our own registered trademark. The range of CAH products include wired and wireless microphones, loudspeakers, power amplifiers and signal processors. Our products are acclaimed for its superior performance and quality, widely accepted and highly reputable in the marketplace.

With the rapid expansion of business in Mainland China, CAH has reached a strategic cooperation arrangement with Tian Chuang Digital Technologies Limited (Tico Digital Group) in December of 2007, to become a member of the TICO Digital Group; a solid company with abundant funding. Fo Shan Tian Chuang Zhong Dian Trading Co., Ltd, founded in 1994, is also a member of the group. The company possesses a wealth of industry experience in sound reinforcement and conferencing systems; technologically advanced products and well established sales channels. We strongly believe that the collaboration between CAH and Fo Shan Tian Chuang Zhong Dian Trading Co., Ltd will create a synergy effect that will enhance the market competitiveness and potential for expansion in both companies, in the near future.


CAH Professional Sound Company

- History

CAH Professional Sound Co., Ltd is one of the leading companies in the audiovisual industry based in Hong Kong.

Since its inception 1985, CAH has established itself as a major distributor for many well-known audiovisual brands, products and technology; becoming a major partner for many international manufacturers looking to expand across APAC and the Greater China region. Throughout the years, CAH has developed a strong portfolio of businesses including distribution, pro AV solutions, audio engineering and maintenance support. We pride ourselves in providing expert advice to our customers on audiovisual solutions, ranging from a small conference room system to a large scale shopping mall PA system. Regardless of project size, our team strives to fulfill our customer’s needs through innovative ideas, professional audio knowledge and workable designs.

is a registered trademark owned by CAH Audio Products, Inc., a wholly owned subsidiary company of CAH Professional Sound Co. Since 1990, the brand has focused on manufacturing professional microphones and audio peripherals. With 20+ years of experience in professional audio production, CAH Audio Products, Inc. is now renowned for high-quality audio products and innovative technology. CAH is passionate in expanding and developing this platform to expand in the Asia market.

In order to broaden our scope of operation, CAH has joined forces with TICO Digital Group, becoming one of the group’s core members since 2008. CAH plays a crucial role in connecting overseas manufacturers with TICO’s strong operational network in China. Leveraging our industry experience and unique position as a bridge between China and overseas, we are able to add value by providing market analysis and strategic business planning; in order to create partnership opportunities that offer a win-win proposition.

In 2012, CAH expanded its portfolio of services towards providing complete audiovisual solutions for our clients. With our extensive distribution network of products, experience in system design and strong working relationships with local contractors, we are in an advantageous position to provide the best audiovisual solution for our clients.

CAH – your ultimate solutions provider

- Mission Statement

We strive be the ultimate solutions provider for our clients through industry leading innovation and technology.

Commitment – Commitment is standing behind our work and offering no excuses for mistakes. We do right by our clients simply because it is what we do.
Ambition – Ambition is our passion in becoming the industry leading audiovisual provider. We strive for the best in our work and bring out the best in those who we work with.
Humbleness – We are industry professionals yet students of a trade that is constantly evolving. Humbleness allows us absorb new information and industry knowledge from our projects, partners and manufacturers, so that we can pass on this information to our clients.
Service – Service is about meeting the real needs of our clients. The quality we deliver is what sets us apart and provide long term value to those we work with. We anticipate the needs of our clients and help them become successful in their own endeavor.
Teamwork – CAH teamwork creates a synergy, allowing us to accomplish more together than the sum of our individual efforts.

- ISO9001 : 2008 Certified (PDF)

After a year of extensive preparation and dedication, CAH was awarded the ISO9001:2008 Quality Management Systems certification by the International Organization for Standardization, on February of 2008. The certification was issued by BSI (British Standards Institution), the well recognized certifying body for the International Organization for Standardization. The achievement of this highly prestigious designation marks the excellence of our company's overall operation and customer service; adhering to the strict criteria set forth by ISO's standard of quality management systems.

- Human Resources and Management

Our company's management team consists of seasoned professionals with over 15 years of experience in the professional audio industry. Coupled with our team of highly skilled engineers, we offer exceptional and professional services to our global clients. In addition, our company employs the latest and most advanced operations and technology that conform to the ISO9001:2008 standards and ensures seamless organization and planning, implementation, quality control and testing that exceeds the most stringent administrative requirements.

- Advanced Technology

Besides having highly skilled engineers and technical experts, our company employs the state-of-the-art EASE 4.1 system design and acoustic analysis program, AUTOCAD and SHUTTLE CAD as drafting tools that ensure precision and success in our systematic approach to designs.

-Customers are NO. 1!

Our professional staffs are here to offer our clients with the most comprehensive services: Free consultation, system design and EASE software analysis.

The most comprehensive one-stop services
The most advanced and cost effective technology
The best after sales services

- Our Targeted Customers

Conference & Exhibition Center
Theater & Auditorium
Multi-purpose Hall
Entertainment Center
Private Club
Night Club & Karaoke
Shopping Mall
Corporate Boardroom
School & University
Multi-media Lecture Hall
TV/Radio Broadcast Station
Recording Studio
Post-Production Facility

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Company News

  • CAH wishes you a prosperous Year of the Dog


    Happy Chinese New Year!
    We wish you a very happy holiday period,and a healthy and prosperous New Year.
    Please be informed that our office will be closed on the following day(s):
    •15th February, 2018 (Thursday, 1:00 pm – 6:00pm)
    •16th February, 2018 (Friday)
    •19th February, 2018 (Monday)
    Our office will be resume business as usual from 20th February, 2018 (Tuesday).
    二零一八年二月十五日 (星期四, 下午一時至六時)
    二零一八年二月十六日 (星期五)
    二零一八年二月十九日 (星期一) 
    我們將於二零一八年二月二十日 (星期二) 正式啟市。
  • Christmas Blessing




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Contact us

CAH Professional Sound Company Limited

Unit E-F, 21F, Luk Hop Ind. Bldg.,
8 Luk Hop Street, San Po Kong
Kowloon, Hong Kong

Telephone: (+852) 2766-3818
Fax: (+852) 2363-0363