D'Addario's XT strings combine a revolutionary extended lifespan treatment with NY Steel, providing enhanced break resistance, pitch stability, and long-lasting performance without sacrificing the natural tone or feel.

XT Classical strings combine D'Addario's infamous Pro-Arte treble strings and silver plated wound Composite basses with an extended lifespan treatment, preserving the natural tone and feel of uncoated strings. Available in normal, hard, and extra-hard tensions. 

D'Addario XT strings offer extended lifespan while maintaining the tone and feel of your favorite uncoated string. By utilizing the proprietary Composite basses and precisely intonated trebles of the legendary Pro-Arte strings, D'Addario XT delivers dynamic response and long-lasting performance. These are strings made to stay, for players who refuse to fade away.