Martin Guitars MA540 Acoustic Guitar Strings Bulk 25 Sets Light (12-54) set-in-neck 5mm input jack and TRS/TRRS

5mm input jack and TRS/TRRS switch

Small injection-molded nylon disc tip creates a bright tone and rhythmic clarity

and effortless pneumatic height adjustment (U

5-54" in height to customize your listening area

Cooling: Temperature controlled

Martin Guitars MA540 Acoustic Guitar Strings Bulk 25 Sets Light (12-54) set-in-neck 5mm input jack and TRS/TRRSMartin 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. Bulk Boxes of 25 Sets