This TRACKLINK USB Interface adapter allows you to connect your microphone directly to your computer for easy sound processing. You can use existing software, or a microphone preamp or signal processor. The built-in analog to digital converter lets you produce CD quality sound without add-ons. It's USB bus powered, which means no external power is required. Simple plug the XLR end to your mic, the USB type A connector to your computer, follow the included instructions and start producing!