Introduction of VPT (Virtualphones Technology) used in surround headphones.

Technological explanation of the characteristics of VPT.

Introducing a service to enjoy VPT.
* AII Inc. is currently distributing 5.1-channel video with VPT surround sound.

Information and special messages regarding VPT.

*The reproduction effect of VPT varies depending on each product concept.

* VPT, Virtualphones Technology is a registered trademark of Sony Corporation.