Any audio codecs, like MP3, AAC and other, and streaming audio use lossy compression algorithms which negatively impact the quality of the audio source, until SX Fidelity Amplifier. SX Fidelity Amplifier improves the quality of the listening experience because it is the only product currently available that uses sophisticated algorithms to repair and replace portions of a digital audio file lost during lossy compression. Features : - Manual override of fidelity enhancements - Dynamic Stereo Signal from Mono Source - Controls stereo panorama - Simplified source application selector - Reduces artifacts and noise - Sound Card selector - Skinable Interface - Customized Presets - Built-in Equalizer - Record Sound with Amplified Fidelity