The USB Theater Sound Xperience provides a complete virtual audio-processing package that brings your movie and music experiences to life from a pair of stereo headphones or stereo speakers. It takes your 2-channel (stereo) audio and processes it with DTS Surround Sensation to create virtual surround sound through your 2 stereo speakers. Audio that is already encoded in 5.1-channels gains even more life with the LFE feature resulting in a three-dimensional wall of sound that exceeds the limitations of just two speakers, making one believe that sounds are occurring outside the boundaries of the two channels.