The Mellotron Sound Card 02 contains 100 sounds and is inserted inserted into the expansion slot of the series units. With an expansion card you have 200 sounds for immediate access and that can be mixed independently in the playlists you create.
Sound Card 02 is the first expansion card for the digital Mellotrons and it contains 100 more Mellotron sounds. the complete sound list for Sound Card 02.
Mellotron Sound Cards 02, 03, 04, 05 or 06 are inserted into the expansion slot of the M4000D instruments (Sound Card 01 is the internal card). They cannot be used with the Micro.