Experience unmatched durability with D'Addario XS Phosphor Bronze Acoustic Guitar Strings. These medium-gauge 13-56 strings deliver exceptional longevity through innovative XS coating technology, outlasting standard acoustic strings while maintaining a silky, responsive feel. Built with NY Steel core and Fusion Twist construction, they offer superior break strength and tuning stability that keeps your guitar sounding pristine longer. The warm, balanced tone combined with maximum volume and projection makes these strings the smart choice for players who demand both performance and value. Upgrade to strings engineered to last.