For use only with "audio" or "music" CD-Rs--will not work with data CD-Rs; 74-minute discs recommended over 80-minute * Dual-output DJ mode allows you to operate both decks simultaneously * High-speed (2x) and normal-speed dubbing * Disc title entry and storage * Coaxial and optical digital-audio inputs and outputs; stereo analog inputs and outputs; copies DTS- and HDCD-encoded CDs