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 is now an official reseller of Konftel

CAH is glad to announce that we are now the official reseller of Konftel. 

About Konftel
Konftel is a Sweden based company with strong brand, within audio conferencing solutions. Since 1988 our mission has been to help people around the world to conduct meetings despite distances. Based on our success, we know that audio conferencing is a great way to save time, money and at the same time contribute to a better environment.  Good quality is essential for efficient meetings and that is why our patented audio technology OmniSound®, is built into all Konftels' phones. For more information, please visit Konftel page in our website. 

New Tannoy Surface Mount Speaker Series - AMS

We are glad to introduce you a new Tannoy surface mount speaker series - AMS.  AMS Series is the replaced series of Di Series, it is engineered to provide a seamless sound signature throughout a multi-zoned venue equipped with both ceiling mount and wall mount Tannoy speakers. This series totally have 7 different models, which ranging from 5-inch to 8-inch. It is suitable for using in hotels, boardrooms & office and house of worship.  

If you interested to know more, please visit AMS Series page in our website. It is welcome to contact our staff by email or by phone (+852 2766 3818).


InfoComm Orlando 2015

Beyerdynamic,Ecler,Hitachi,Opticis,Rane,Renkus-Heinz and TC Group will be attend InfoComm Orlando 2015. It will be held on 17-19 June 2015 in Orlando.
InfoComm 2015 is the largest event for professional AV in the world, with over 980 exhibitors and more than 38,000 attendees from 110+ countries.

Beyerdynamic: #385
Ecler: #5059
Hitachi: #3912
Opticis: #2979
Rane: #527
Renkus-Heinz: #1113, #6848
TC Group: #821

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  • CP-WU9100B
    CP-WU9100B CP-WU9100B is the latest family member of Hitachi 9000 Series Projector. CP-WU9100B is a DLP projector and offers WUXGA (1,920x1,200 pixels) with a brightness of 10,000 lumens. And it equipped with an SDI input - the standard in the broadcast industry. 3G SDI can transfer…

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