The Dazzle DVC 80 Audio (2) Windows driver is a software component that enables your Windows operating system to communicate with the Dazzle DVC 80 device, which is an analog-to-digital video and audio capture device. The DVC 80 (Digital Video Creator 80) is typically used for capturing video from VHS, camcorders, or other analog video sources and converting them into digital formats on your computer. The "Audio (2)" part refers to the audio driver related to the device.

When installing a driver for the Dazzle DVC 80, you're essentially ensuring that both video and audio from the device are correctly captured and processed by your computer's operating system.