the cb7 is a kit of jukebox software and compatible card reader to transfer digital audio to sd card for 7k playback and was an extra in some regions and supplied free in other regions, depending on the importer. The other cd was included with the 7k in all regions, usb drivers, song manager and audio recorder applications, for technics and midi file transfer and digital audio recording to a pc.

[This message has been edited by technicsplayer (edited 10-20-2005).]