Turtle Beach Ear Force DX11 7.1 Dolby Surround Sound Headset Bundle for Xbox 360 w/X11 Headset & Ear Force DSS Amplifier Turtle Beach Ear Force DX11 USB Stereo Gaming Headphones General Features: Designed for Microsoft Xbox 360 game system Includes Ear Force DSS digital audio processor for Dolby 7.1-channel surround sound Audio and chat over Xbox Live Crystal-clear communications Allows you to efficiently communicate with online players without being distracted from the game