D'Addario XS 80/20 Bronze Acoustic Guitar Strings bring unmatched brilliance and extended life to your sound. These are D'Addario’s brightest acoustic strings, now enhanced with the advanced XS coating for ultra-smooth feel and long-lasting tone. Crafted with a high-carbon NY Steel core, 80/20 bronze wrap wire, and Fusion Twist technology, they deliver superior tuning stability, break resistance, and sparkling clarity that outshines standard 80/20 sets. The 10-47 gauge is specially designed for 12-string acoustic guitars, offering balanced tension and shimmering tone across every octave. Built for players who demand brilliance and durability in one perfect set, XS 80/20s keep you playing brighter for longer. 10-47 Light 80/20 12-String Acoustic Guitar Strings XS 80/20 Bronze strings are the brightest and longest lasting of any D’Addario coated acoustic guitar string, thanks to the ultra-thin XS film coating 80/20 wrap wire provides bold, bright acoustic tone, with crisp projection that can fill a room. With a NY Steel core and Fusion Twist technology, XS 80/20 Bronze offers greater break strength and unmatched tuning stability—staying in tune 131% better than other acoustic strings. XS 80/20 Bronze strings come with a code 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