How Does It Work?

Using the X1 with XBOX 360 Games

The Ear Force X1 combines Xbox live chat and stereo game
sound for a totally immersive XBOX 360 gaming experience. 

Using the X1 with PC Games

The Ear Force X1 may be used as an amplified PC headset with PC games
by connecting it to the line output and mic input on your PC sound card. Power
is provided by inserting the USB plug into any one of the PC USB sockets.