- Model:OMJM John Mayer 20th Anniversary
- Top Material:Engelmann Spruce
- Rosette:Abalone with Multi-Stripe
- Bracing Pattern:X Brace
- Brace Shape:Scalloped
- Brace Material:Spruce
- Back Material:East Indian Rosewood
- Side Material:East Indian Rosewood
- Binding:Antique White
- Top Inlay Material:Bold Herringbone
- Neck Material:Mahogany
- Neck Shape:Low Profile
- Neck Taper:Standard Taper
- Nut Material:Bone
- Headstock Shape:Solid with Square Taper and Diamond
- Headplate Material:East Indian Rosewood
- Fingerboard Material:Ebony
- Scale Length:25.4"
- Fingerboard Width at Nut:1 11/16''
- Fingerboard Inlay Style:Custom
- Back and Side Finish:Gloss
- Back and Sides Color:None
- Finish Top:Gloss
- Top Color:Platinum Gray Burst
- Neck Color:Dark Mahogany
- Bridge Material:Ebony
- Bridge Style:Modern Belly - Drop in Saddle
- Tuning Machines:Nickel Open Gear
- Recommended Strings:Authentic Acoustic Lifespan(R) 2.0 Light - 92/8 Phosphor Bronze MA540T
- Pickguard:Black Acrylic
- Case:Ply Hardshell
- Electronics:Fishman Gold Plus Natural I