This high-quality CD player is easy to operate and includes special features like Pure Direct, Intelligent Digital Servo and USB with MP3/WMA/LPCM/FLAC compatibility. Pure Direct The CD-S303 offers Pure Direct, which shuts down the digital audio output and turns off the display. This reduces digital noise interference for the highest possible sound quality from the analog output. High-Performance D/A Converter Utilizing a 192 kHz/24-bit DAC, the high-performance D/A conversion system takes full advantage of the digital technology refined by Yamaha over the years, ensuring excellent conversion precision, S/N ratio and dynamic range. Enjoy Your MP3, WMA, LPCM, AAC and FLAC Music The USB port on the front panel gives you an easy way to enjoy high-quality sound from MP3, WMA, LPCM, AAC or FLAC digital music files stored on USB memory devices. You can also play files recorded on CD-R/RW discs. Sophisticated Design The CD-S303 inherits many of the sound quality features of high-end CD player components. Yamaha technicians have devoted themselves to creating sophisticated circuitry, short signal paths and well-matched high-quality parts to create the best possible sound quality.