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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CAH & Rane Fully Support Soda Mix DJ Competition 2016

CAH and Rane will fully support and sponsor local DJ event - Soda Mix DJ Competition 2016.  Students from Soda Mix DJ School will compete with other DJs from Hong Kong and China. The winner of the contest can have a Rane Sixty-two Mixer as a prize.
Soda Mix DJ School also invited three judges from US and Hong Kong to choose the winner. Beside judging, they will also have a performance during the contest. If you are interested to attend this DJ contest, please do contact us by phone (2766 3818) or email ( This e-mail address is being protected from spambots. You need JavaScript enabled to view it ). Or waiting for our facebook update.
Details of Soda Mix DJ Competition 2016
Date: 10 September 2016
Time: 20:00
Venue: XXX Gallery
Address: Unit 2A, Kin Luen Factory Building, 89-91 Larch Street, Tai Kok Tsui, Hong Kong

CAH is now an exclusive distributor of Visionary Solutions

CAH is glad to announce that we are now the exclusive distributor of Visionary Solutions in PRC, Hong Kong and Macau. 

About Visionary Solutions
Visionary Solutions, Inc. manufactures Internet Protocol Television (IPTV) equipment that provides real-time transport of video over IP networks. With SD and HD IPTV encoders that support the latest technology standards, such as H.264, VSI’s modular solutions are recognized around the world for their outstanding value, performance, flexibility, and quality. With a company-wide focus on customer satisfaction through collaboration and hands-on support, VSI is a trusted partner for high-quality IPTV encoding for enterprise, education, healthcare, government, professional A/V, cable, broadband, and broadcast applications. For more information, please visit Visionary Solutions page in our website.

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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