The Saffire 6 USB is an audio interface made by Focusrite, designed for musicians, producers, and audio engineers. It connects to a computer via USB and provides high-quality audio inputs and outputs, typically used for recording or playback with low latency. It is part of Focusrite's Saffire series, which includes a variety of audio interfaces.

The Saffire 6 USB requires a specific driver to function properly on Windows. The driver ensures that the device communicates correctly with your operating system, allowing you to access its inputs, outputs, and other features.