Turtle Beach has developed such a product. Called the “Audio Advantage” SRM, this external 7.1 Channel USB audio interface allows you take it with you and it fits in the palm of your hand. The Audio Advantage connects to your laptop or desktop and includes both analog and digital inputs, stereo headphone outputs, a built in stereo microphone and support for surround sound headphones. It can be used for voice applications, PC gaming, listening to music, watching DVD movies or recording audio.

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