Signature features: Johnny Cash's signature appears on the rosette and interior label, while the fingerboard carries the stars and CASH design. The all-black construction was inspired by the custom black D-35 Martin built for Cash in the early 1970s.

• Model: DX Johnny Cash
• Series: Martin Signature Artist / X Series
• Years: 2019–Present
• Body Shape: D-14 Fret Dreadnought
• Color: Jett Black
• Construction: Mortise & Tenon neck joint
• Top: Jett Black HPL (High Pressure Laminate)
• Back & Sides: Jett Black HPL
• Bracing: Scalloped X-Bracing
• Brace Material: Spruce
• Brace Size: 5/16"
• Neck: Black Birch Laminate
• Neck Shape: Performing Artist
• Neck Taper: High-Performance Taper
• Neck Finish: Hand-Rubbed
• Scale Length: 25.4"
• Fingerboard: FSC-Certified Richlite
• Fingerboard Radius: 16"
• Nut Width: 1 3/4"
• Width at 12th Fret: 2 1/8"
• Frets: 20
• Neck Joint: 14th fret
• Fingerboard Inlays: Custom stars and CASH graphics
• Nut: Black Corian
• Bridge: FSC-Certified Richlite
• Bridge Style: Modern Belly, drop-in saddle
• Saddle: Compensated Black TUSQ
• Bridge String Spacing: 2 5/32"
• Tuners: Chrome enclosed gear
• Pickguard: Black
• Rosette: Custom Johnny Cash signature design
• Headstock Logo: Silver Martin script
• Electronics: Fishman electronics*
• Strings: Martin Authentic Acoustic Lifespan 2.0 Phosphor Bronze Light
• Included Case: Martin soft gig bag with CASH embroidery