A 2003, Martin Guitars ya ba Mayer nasa sa hannu model acoustic guitar kira OM-28 John Mayer. A guitar aka iyakance zuwa gudu na kawai 404, wani Atlanta yanki code. Wannan model da aka bi ta hanyar saki biyu Fender sa hannu Stratocaster lantarki guitars, fara a 2005. A uku Stratocaster, gama a kwalba frost metallic fenti da racing stripe, shi ma wani iyaka-saki, tare da kawai 100 guitars sanya. A Janairu 2006, Martin Guitars fito da Martin OMJM John Mayer acoustic. A guitar aka yi nufi da ya danganta da yawa daga cikin siffofin na Martin John Mayer Black amma tare da mafi iyaka price tag.
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