acoustical consultant 于 Pui O

One of the world's leading acoustic consultancies

ihD Ltd is a Hong Kong-registered Private Limited Company, specialising in IT, ELV & Security, and Audio-Visual Systems, as well as Mechanical & Architectural Acoustics, design and Consultancy. O…

A dedication to research and excellence: It’s the Bose approach to better sound, and it has been since our founding in 1964.