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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January 2012

We would like to take this opportunity to present to you, our newest CAH Professional Sound Company Website. With the new year upon us, we are aiming for a year of revolutionary change, with many new products and projects lined up. Starting with our website, we have taken the inputs from our clients, distributors and manufacturers, and created a website that is streamlined for efficiency. As of this stage the website is still in development, and over the course of the month we will continue to update new content into the website. We apologize that the Chinese version of the site is not ready but we will be working on translating the site back to Chinese once it is completed.


December 2011

CAH Professional Sound Company wishes you a Merry Christmas and a Happy New Year!

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  • Revoluto MPR 210 B/W
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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