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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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

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.

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Choice for YOU

  • VZ-HD4000/4900HC
    VZ-HD4000/4900HC Benefiting from Hitachi's optical excellence for over 100 years', Hitachi's VZ-HD4000HC Series deliver the realistic and high quality HD images fro your video conferencing. The VZ-HD4000HC Series incorporates a HD COMS sensor, it is a total of 2.07 million effective pixels and 1,920 X 1,080…
  • IPKVM-350-ED
    IPKVM-350-ED The Opticis HDMI / DVI IP KVM Extender, IPKVM-350-ED is designed for extending of HDMI, keyboard / mouse and provides unicast (1 to 1) over IP network. But the key feature of Dual-display mode inside IPKVM-350-ED enables user to extend two (2) displays with keyboard…

Company News

  • 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! 
  • Easter Greeting

  • InfoComm China 2017

    TICO Group and HItachi will be attend Infocomm China2017. It will be held on 12-14 April 2017 in Beijing.
    TICO will show the latest Renkus-Heinz new loudspeaker series, beyerdyanmic and Biamp products. And 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 Infocomm China 2017. Hope to see you in Beijing!
    Place: China National Convention Center (CNCC)
    TICO Booth Number: EF3-01
    Hitachi Booth Number: EH2-01



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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