1)   Fair-Sound Audio DSP Plug-ins 2.0 The Fair-Sound provides loudness compensation, an essential element that is conspicuously missing from the WMP9S. Fair-Sound employs a sophisticated system of intelligent filters to compensate for ours ears' nonlinear response at low volumes. 2)   TubeHD 1.1.0.0 TubeHD turns YouTube.com into a complete HD Experience. With 5.1 Speakers or Regular Headphones you can simply click on Videos and use built in plugins SRS WOW HD, WOW XT, Circle Surround II and Xtract. Experience YouTube like it never was before!