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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Infocomm Las Vegas 2016

InfoComm 2016 is the largest event for professional AV in the world, with over 980 exhibitors and more than 38,000 attendees from 110+ countries.
Beyerdynamic: #C9921
Hitachi: #C7725
Opticis: #N1226
Rane: #C10722
Renkus-Heinz: #C10916
TC Group: #C10308
Visionary Solutions: #C7347
Williams Sound: #C9836

Konftel 55W Facebook Promotion

Coming from Sweden, Konftel 55W is a conference device with crystal-clear sound. It can connect with computers, mobile phones/tablets and desktop phones. From now till 31 August, our facebook friends can have a special offer, Konftel 55W sells for HKD$3,980 only. 
To get this special offer, please visit and like our facebook homepage.
If you interested to know more, please visit Konftel 55W page in our website. It is welcome to contact our staff by email or by phone (+852 2766 3818).

Integrated Systems Europe 2016

BeyerdynamicECLERHitachiOpticisRaneRenkus-Heinz, TC Group and Williams Sound will be attend Integrated Systems Europe 2016. It will be held on 9-12 February 2016 in Amsterdam.
Integrated Systems Europe is an exhibition dedicated to Audio, video (AV) and electronic systems integration technologies and innovations.​ The show will attract professionals from every link in the systems integration value-chain, including manufacturers, distributors, dealers, contractors and consultants. ISE also draws ever-growing numbers of end customers, from fields as diverse as education, sports, corporate facilities, hospitality and live events.
Beyerdynamic: Hall 1, Stand M 122
Ecler: Hall 7 Stand H 190
Hitachi: Hall 4, Stand F 70
Opticis: Hall 1, Stand N 92
Rane: Hall 7, Stand H 185
Renkus-Heinz: Hall 7 Stand X 185
TC Group: Hall 5, Stand V 190
Williams Sound: Hall 7, Stand H 179

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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