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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InfoComm Orlando 2015

Beyerdynamic,Ecler,Hitachi,Opticis,Rane,Renkus-Heinz and TC Group will be attend InfoComm Orlando 2015. It will be held on 17-19 June 2015 in Orlando.
InfoComm 2015 is the largest event for professional AV in the world, with over 980 exhibitors and more than 38,000 attendees from 110+ countries.

Beyerdynamic: #385
Ecler: #5059
Hitachi: #3912
Opticis: #2979
Rane: #527
Renkus-Heinz: #1113, #6848
TC Group: #821

New Micro-amplifiers of ECLER - CA120HZ

We are grad to introduce you a new family member of ECLER's CA Series stereo amplifier - CA120HZ. The CA120HZ is a mono micro-amplifier that takes the same physical format and main features from its series brothers, the CA40 and the CA120, but this time including a 1x120W mono and high-impedance output, being ready to feed 70/100V loudspeaker lines. It is suitable for installing in the classrooms, meeting rooms, retails shops, restaurants and bars.

If you interested to know more, please visit CA Series page in our website. It is welcome to contact our staff by email or by phone (+852 2766 3818).

New ECLER Amplifier - HSA2-400

We are glad to introduce you a new model of ECLER's HSA series, HSA2-400. Different with the existing model - HSA300, HSA2-400 is a stereo amplifier with low and high impedance powered outputs. It is suitalbe to apply in single or multi-zone BGM and paging systems. and also suitable to combine with MIMO54 and MIMO88 matrixes and SAM series preamplifiers.
If you interested to know more, please visit HSA Series page in our website. It is welcome to contact our staff by email or by phone (+852 2766 3818).

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Choice for YOU

  • HAL2
    HAL2 HAL2 features an 18 x 18 combination analog-digital I/O, plus an assortment of control ports for Rane’s elegant Digital Remotes. The HAL2 applies the versatile Halogen software interface to venues that don’t need extensive expansion. It includes the same abilities to quickly design room combinations,…
  • Coretis
    Coretis All signals picked up by microphones, conference and interpreting systems have to be processed and redistributed in different directions – for instance to loudspeakers, recording equipment or video conferencing systems. beyerdynamic extends the product range for different applications in projects and provides with Coretis a…

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