Windows Media Player plug-ins, which add additional functionality to the built-in media player in the XP, Vista, 7, 8.1 and 10 versions of the Windows operating system, are available free at Microsoft.com. The plug-ins are in the Music, Photos and Video sub-section of the Downloads page.
A pair of DSP plug-ins for Windows Media Player provide specialized listening effects via echo, reverb and other audio modifications. The SRS Audio Enhancements plug-in, suitable for any speaker setup, customizes the listening experience with surround-sound immersion and 3-D audio effects. The DFX plug-in features 3-D surround sound, optimized headphone settings and hyper-bass capability.