There’s one surefire way to give your guitar the tone it deserves. It starts and ends with revolutionary Authentic Acoustic strings. They’re made by Martin and will bring out the best in any acoustic guitar. Get long-lasting, super comfortable, incredibly playable strings that take your tone to new sonic heights

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. Impeccable standards for acoustic guitar tone are embedded in Martin string design and precision manufacturing process.