IMPORTANT: This article applies only to specific products and/or operating systems. Check the Applicable Products and Categories section of this article before starting these steps.
If you are using a Windows computer, the USB driver may not be installed automatically due to security software on your computer, etc. Manually download the USB driver from the following website.
You can download and install the latest version of the application from the support site. Visit the Sony Support website for additional details and then search for the Sony Amplifier Driver or Sony Headphone Amplifier Driver.