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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X'mas & New Year Blessing

Merry Christmas & Happy New Year
聖誕快樂 & 新年快樂
To celebrate Winter Solstice Festival, Christmas and New Year, CAH will be closed on following days:
21st December 2016 (Wed) 13:00 – 18:00
25-27th December 2016 (Sun – Tue)
1-2nd January 2017 (Sun – Mon)
為慶祝冬至, 聖誕和新年,我們將於下列日子暫停辦工:
2016年12月21日 (三) 下午一時至六時
2016年12月25至27日 (日–二)
2017年1月1至2日 (日–一)

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

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    CP 66 The Rane CP66 is a multiple-input Commercial Zone Processor with paging support. Designed for versatility, it is perfect for use in restaurants, bars, offices, retail stores, stadiums, and other types of multi-zone environments. With six Program inputs, six linkable Zone outputs, Page input, and support…
  • eCA Series - Micro-amplifier
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Company News


  • CAH is now an authorized distributor of Bose Professional

    CAH is glad to announce that we are now the authorized distributor of Bose® Professional in Hong Kong and Macau region.

    About Bose
    For more than 40 years, Bose Professional has developed innovative loudspeakers, electronics and software to meet the needs of demanding professional audio applications. Bose Professional provide substantial support for the distribution network, including product technical information, system design support and after-sale support. Bose sound is found throughout the world in performing arts centers, theaters, houses of worship, stadiums, restaurants, retail stores, corporate buildings and hospitality establishments. For more information, please visit Bose® Professional in our website.
  • Infocomm Orlando 2017

    Beyerdynamic,Ecler,Hitachi,Opticis,Renkus-Heinz, TC Group, Visionary Solutions and Williams Sound will be attend InfoComm Orlando 2017. It will be held on 14-16 June 2017 in Orlando.
    InfoComm 2017 is the largest event for professional AV in the world, with over 980 exhibitors and more than 38,000 attendees from 110+ countries.
    Beyerdynamic #5775
    ECLER #5175
    Hitachi #3429
    Opticis #1348
    Renkus-Heinz #6845, W224E
    Tannoy, Lab.gruppen #6945
    Visionary Solution #5343
    Williams Sound #3320
    See you in Orlando InfoComm! 



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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