These brand new Martin strings can be seen in our Rapid City, SD showroom.

Buy risk free with our 14 day – full refund, less shipping, return policy. Check out our shop policies for more details.

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. That’s why we make our own.