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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Rane Introduces MP2015 Rotary Mixer

We are glad to introduce the new mixer of Rane, which is MP2015. MP2015 is the ultimate mixing instrument for today's forward thinking DJ who requires the very best for live performance and studio production. The definitive mixing instrument is realized through a combination of powerful and unique features, classic elegance, rugged design and simplicity. 

For more detail, please visit MP2015 page in our website. It is welcome to contact our staff by email or by phone (+852 2766 3818).

CAH participated in Tannoy Conference in Bangkok

TC Group’s Install and Tour brands - Tannoy, Lab.gruppen and Lake - recently held a two-day conference seminar in Bangkok, Thailand, for its distributor network across the Asia Pacific region. As one of the distributor of TC Group, CAH had been invited to participate in this conference seminar as well.
With distributors from all across the region gathering at the five star Okura Hotel – itself a Tannoy installation – the event gave TC Group the opportunity to communicate valuable information on new and future products, as well as ongoing market strategy in wake of the announcement that the entire group was looking for investment opportunities under any potential new ownership.

Over the course of two very informative and enlightening days, senior staff showcased some of the latest and best technologies from Tannoy, Lab.gruppen and Lake, giving distributors and partners the opportunity to gain a deeper understanding of the brands and how to maximise opportunities in future install and touring applications.
The event gave TC Group the opportunity to offer valuable insights into a wide selection recent  product introductions, from the latest leap in Dual Concentric driver technology in Tannoy''s CMS 3.0 range to the enhancements in amplifier design that have been integrated into Lab.gruppen''s PLM+ and D Series including CAFE software training. 

Please click here if you want to know more about the conference seminar.

Vote for Lab.gruppen and Tannoy in 2015 InAVation Awards

Lab.Gruppen D Series amplifier and Tannoy CMS 3.0 celling loudspeaker has been shortlisted as a technology finalist in the InAVation Awards 2015. Winners will be selected by a public vote that is open now to all professionals working in the AV industry. Voting will shut on January 30, 2014. Please click here for voting!!!



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  • LPA Series Amplifier (Discontinued)
    LPA Series Amplifier (Discontinued) LPA Series Amplifier The new LPA series offers the renown Ecler amplification quality and reliability in a new versatile, light and affordable format. The integrated crossover allows, when activated, to internally send the low frequency band to channel 1 and the high frequency band to…
  • CP-WU9100B
    CP-WU9100B CP-WU9100B is the latest family member of Hitachi 9000 Series Projector. CP-WU9100B is a DLP projector and offers WUXGA (1,920x1,200 pixels) with a brightness of 10,000 lumens. And it equipped with an SDI input - the standard in the broadcast 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