Circle Surround II Plugin For Windows Media Player: Enjoy all your CDs, WMA, MP3 and other streaming audio in 5.1 surround sound with SRS Labs' Circle Surround II (CSII) Plugin for Windows Media Player 9 Series. The CSII seamlessly integrates Circle Surround's powerful controls directly into the Windows Media Player 9 Series, enabling you to customize the multichannel audio experience on your PC.
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