Martin Guitar OMJM John Mayer Acoustic-Electric Guitar with Hardshell Case, Spruce and Rosewood Construction, Gloss Finish, and 000-14 Fret

Standard Series, 16-17 Series, Authentic Series, Modern Deluxe Series and Custom & Special Editions are being made in the United States of America.

In the United States, Paul Reed Smith Guitars manufactures a John Mayer model. A model that is tailored to the individual playing style of the guitarist.

Strings made by Ernie Ball are used by John Mayer.