Phosphor bronze guitar strings designed for tone, feel and longevity.
XS Acoustic Phosphor Bronze guitar strings combine D'Addario's most popular acoustic alloy with their most advanced string coating technology, resulting in strings with clear tone, smooth feel and superior tuning stability, as well as the longest life possible. With its ultra-thin film coating on every wound string and a unique polymer treatment on the plain steels, XS offers the highest level of protection. XS strings also feature NY steel high carbon core and plain string wire, and Daddario's Fusion Twist for incomparable break strength and tuning stability.