Please feel free to contact us with any questions, support issues, comments or concerns


GFI can be contacted via e-mail at


Our phone number is (417) 859-2161.

We can be reached Monday through Friday from 9-5 Central Time.


Correspondence through the mail can be sent to:

GFI Musical Products

220 Green Ridge Loop

Marshfield, Mo 65706 USA


S-10 Expo X1 with Red, White, and Blue mica.