The Benchmark DAC2 USB Audio 20 is a digital-to-analog converter (DAC) that supports high-quality audio conversion for professional audio equipment. The device is often used to improve the audio quality in studio setups or for audiophiles looking for superior sound. The USB Audio 20 refers to the version of the DAC that includes USB connectivity, allowing you to connect it to a computer or audio source directly for high-resolution audio playback.

The Windows driver for the Benchmark DAC2 USB Audio 20 allows the device to communicate with your Windows PC, enabling it to function properly as an external audio interface. Without the correct driver, your computer might not recognize the DAC, or you may experience poor audio performance or no sound output.