D'addario XS Medium Coated Acoustic Guitar Strings - 13-56

D’Addario XS Phosphor Bronze Medium Acoustic Guitar Strings (13–56) represent the pinnacle of string innovation, offering the longest lifespan of any D’Addario acoustic string to date. Featuring a groundbreaking ultra-thin XS coating, these strings maintain the rich, balanced warmth of phosphor bronze while delivering a silky-smooth feel and exceptional longevity. Engineered with a high-carbon NY Steel core, phosphor bronze wrap wire, and Fusion Twist technology, they provide superior tuning stability, break resistance, and consistent performance gig after gig. The 13–56 Medium gauge offers bold projection, full-bodied tone, and added string tension—ideal for players who want maximum volume, resistance, and dynamic control. For musicians who demand both power and endurance, XS Phosphor Bronze Mediums are built to perform at the highest level. Medium Coated Acoustic Guitar Strings - 13-56 XS Phosphor Bronze strings have the longest life of any D’Addario acoustic string, thanks to the ultra-thin XS film coating. Phosphor Bronze wrap wire provides tried-and-true D’Addario acoustic tone, with beautiful balance and warmth suitable for all musical genres. With a NY Steel core and Fusion Twist technology, XS Phosphor Bronze offers greater break strength and unmatched tuning stability—staying in tune 131% better than standard acoustic strings. XS Phosphor Bronze sets come with a code on the recyclable, resealable VCI bag, which you can register to earn Players Circle points. XS coated acoustic strings are made in the USA—drawn to our exacting specifications at our New York production facility