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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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

New Rane Rotary Mixer MP2014

Rane announces the launch of a new musical instrument - MP2014, which is for the uncompromising professional DJ who only needs two channels but requires the utmost in technology, simplicity, reliability and portability. The MP2014 is built for DJs who love the classic rotary mixer experience yet refuse to compromise cutting edge features. The MP2014 is uniquely tailored for the artist seeking the fluidity and smooth transitions provided by silky-smooth rotary controls. For more information, please click here to see more.

China International Higher Education Equipment Exhibition 2015

Hitachi will be attend China International Higher Education Equipment Exhibition 2015. It will be held on 23-25 September 2015 in Fuzhou.
Hitachi will show the latest projectors and cameras, and also the HD projection solutions which are suitable for higher education.

CAH would like to invite you to visit China International Higher Education Equipment Exhibition 2015. Hope to see you in Fuzhou!

Place: Fuzhou Strait International Convention and Exhibition Centre
Booth Number: International Zone T003

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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