Martin Acoustic SP MA550 Medium

Martin^® Authentic Acoustic^® Superior Performance SP^® strings feature higher tensile strength and tin-plated core wire on all six strings that enable a fuller and more balanced tone, quicker response and increased tuning stability. Our impeccable standards for acoustic guitar tone are embedded in our string design and precision manufacturing process.

• MA550
• 92/8 Phosphor Bronze
• Medium 13-56