CD-DA and BWF (stereo poly-file)* (on UDF) file format recordingComplies to CD-DA, ISO9660 (playback only) and UDF (v1.02) disk formatAES/EBU or S/PDIF digital I/OAnalog XLR (+4dBu/-10dBV selectable) and unbalanced RCA I/)Fader Start function for broadcast useInstant Play for event applicationsUSB port on the front panel for connecting an off-the-shelf USB keyboard for file name editing, and simple transport controlling.Program play up to 9 songs per disc10 memory points per discInternal memory