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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New Opticis Products - IPKVM-310-ED & HDFC-100

We are glad to introduce the new product of Opticis, which are IPKVM-310-ED and HDFC-100
IPKVM-310-ED is the 16x16 multicast supportable HDMI/ DVI IPKVM extender. It is simply using keyboard and mouse can control up to 16 channels.
HDFC-100 is the active optical HDMI hybrid cable. It can transmit HDMI data up to 100m iver hybrid cable.And it also supports 3D contents transmission.
For more details, please visit IPKVM-310-ED and HDFC-100 page in our website.  It is welcome to contact our staff by email or by phone (+852 2766 3818).

Rane New Product Brief & Demo 2015

Rane New Product Brief & Demos
has been successfully finished on 2 April 2015, thanks to our guest speaker Mr. Dean Standing, Man Sing HiFi & Video Limited, DJ Chow Wai Sing and all the attendees. Because of your fully support and active participation, CAH could held the event successfully.
A whole day product brief & demos separated into morning and afternoon session. Morning session was introduced HAL system and its accessories to SI and the afternoon session was introduced DJ products to DJ and rental clients. 
In nearly two hours morning session, Mr. Dean Standing was introduced HAL system and its accessories. He also demonstrated how to use Halogen system to control HAL system. The attendees from S.I. and end user were all pay attention to the Mr. Dean Standing’s sharing. 
In the afternoon session, Mr. Dean Standing was introduced the latest DJ products – MP2015 and TTM57mkII to our DJ and rental audiences. We also invited the head master of Mix Soda DJ School Mr. Chow Wai Sing to be our guest DJ, playing Rane’s Sixty-Two as demonstration in the seminar. Mr. Chow also shared his feeling as a user of Rane DJ product. 
You can click the below links to watch the preformacne of head master of Soda Mix DJ School with Rane Sixty-Two:
Once again thanks for your support, and hope can see you on our next event!

New ECLER Amplifier - GPA Series

We are glad to introduce the new stereo amplifier of ECLER, which is GPA series. GPA Series is a perfect and affordable option in many audio projects. It is suitable for clubs,cinemas and theatre, boardroom and conference room, etc.
For more detail, please visit GPA Series page in our website. It is welcome to contact our staff by email or by phone (+852 2766 3818).

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  • DPA Series Amplifier
    DPA Series Amplifier DPA Series amplifier is the low impedance amplifier, totally have 3 models in this series. DPA1000 ECLER DPA1000 is a stereo amplifier delivering 2 x 440WRMS @ 4 Ω, and ready to drive 2Ω loudspeaker loads (4 x 8 Ω loudspeakers in parallel, per channel).…
  • CP-HD9320
    CP-HD9320 CP-HD9320 is the lateast family member of Hitachi 9000 Series Projector. CP-HD9320 is a DLP projector and offers Full HD (1,920x1,080 pixels) with a brightness of 8,200lm. And it equipped with an SDI input - the standard in the broadscast industry. 3G SDI can transfer…

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