Martin OMJM John Mayer Vintage Reissue which enhances its appearance and

which enhances its appearance and improves resonance

so you always retain the attack and body of your instrument

analog character with twice the delay time

4 analog outputs (1/4" TRS)

Martin OMJM John Mayer Vintage Reissue which enhances its appearance andMartin OMJM John Mayer Signature In light of his ever expanding reputation and fan base, Martin collaborated with John Mayer on the creation of a second namesake guitar, one with many of the same attributes as his first OM 28JM Limited Edition, but one that would be more affordable and more widely available in the tradition of the popular Martin 000 28EC Eric Clapton model. This tasteful Orchestra Model exhibits versatility for today's diverse