For game-changing immersion, the Logitech G35 Surround Sound Headset is the first Logitech headset to offer 7.1 surround sound – a perfect complement to the growing number of action games and high-definition movies that support 7.1-channel surround sound. Immersive Dolby 7.1 Surround Sound. Powered by second-generation Dolby Headphone technology, the G35 simulates the complex acoustics of a listening room, creating a detailed, outside-the-head sound field. Plus, with its proprietary ear-enclosing design, the G35 headset greatly reduces ambient noise from interfering with your entertainment, while an adjustable, noise-canceling microphone focuses on your voice and reduces background noise. Victory never sounded so good. Play with the best. Key Features 7.1 Surround Sound Powered by Dolby technologyDelivers a detailed soundfield – hear your enemies before they see you. Dolby Pro Logic II is used in conjunction with Dolby H (click here for further information)