Martin OM-45 John Mayer 20th Anniversary Acoustic Guitar | Demo March Madness Hand-soldered jacks and speakers

Hand-soldered jacks and speakers

• Satin Finish

Offering some of the most popular features and advanced technology available in an affordable instrument

driver and tools

ergonomics

Martin OM-45 John Mayer 20th Anniversary Acoustic Guitar | Demo March Madness Hand-soldered jacks and speakersMartin OM 45 John Mayer 20th Anniversary Acoustic Guitar Demo To commemorate the 20th anniversary of John Mayer's popular OM 28JM model, Martin collaborated again with John Mayer to offer this gorgeous high end anniversary model. On John's first signature model with Martin, he chose to include an aluminum border around the headplate and bridge. For this anniversary model, the border is expanded to the fingerboard and pickguard, and the border has been