ACDrive
ACDrive
ACDrive (Advanced Codec Drive) is the name used by Kenwood to describe car stereo headunits which can playback enhanced media created by PhatNoise Media Manager with many of the same searching features as PhatBox units.
This wiki page describes the ACDrive system and its hacking potential
Introduction
Kenwood ACDrive headunits can playback media created using PhatNoise Media Manager (PMM). This is often called mCD media. mCD media can include CDROM's, DVD's (for DVD capable units) and USB mass-storage devices (for USB capable devices.
When playing back mCD media you can browse by artist, album, genre and playlist. You can search alphabetically by artist, album and genre (but not playlist). Voice-prompt navigation is also possible. (non-mCD media can only be browsed by folder)
ACDrive headunits can playback mp3, wma and aac files.
Read more about ACDrive/mCD from Kenwood here: [1]