If you want to play audio files(MP3'S, .WAVE, .WMA) through your 2600 you need Panasonic Jukebox. Panasonic Jukebox inludes the software and the USB Reader/Writer that is part of the SD Audio PC Writing Kit.

You need Jukebox to convert mp3's, etc to a format that the KN7000 AND KN2600 can read.

Larry Hawk