8-Disc DVD ChangerDolby Digital decoder (2-channel downmix)DVD Video, Video CD, and Music CD PlaybackMP3 playback from CD-R/RW discsDigital audio out (optical)Learning skipDigital servo optical controlAnti-shock floating mechanism96kHz/24-bit Digital-to-Analog Converter for High-Precision Sound The CX-DH801U boasts a high-precision 96kHz/24-bit D/A converter. According to digital audio theory, high frequency reproduction is limited to half the sampling frequency used for recording.