Sound Cards for the Digital Mellotron. Check out our "Listening Room" where you can hear what each expansion card can do. 

https://www.digitalmellotron.com/listening-room

In cart, please "add note" and specify your digital Mellotron's MODEL and SERIAL NUMBER. The SERIAL NUMBER is centered on the back panel. 

Sound Card 03 contains 100 more Chamberlin sounds, for example the rhythms from the Music Master Chamberlins, more lead sounds from the M series Chamberlins and many sounds from the Chamberlin library that weren't used in any instruments! Here is the sound list for Sound Card 03.