D'Addario makes the tools for the musician chasing a better sound. Because an instrument only sounds as good as what you put into it.

As one of the world's leading guitar string companies, D'Addario offers multiple lines of electric guitar strings including XL Nickel, XS Nickel, NYXL & more. Learn more about the electric guitar strings we …

D'Addario was the first to use Phosphor Bronze in acoustic guitar strings in the early '70s. Today, Phosphor Bronze is considered the pinnacle of acoustic string alloys, thanks to its beautiful sonic …

Each string in a set is represented by a specific color on the ball end, which you can quickly reference when restringing your instrument. Learn More.

Not sure which strings to choose? Use the D’Addario String Finder to get matched with the perfect strings for your guitar, bass, banjo, and more.

Responsible Innovation With string recycling programs, waste reduction methods, environmentally friendly, anti-corrosion packaging, and more, D'Addario is always pushing the boundaries of musical …

D’Addario’s String Finder is designed to help you find the best strings for you. Answer a few simple questions and String Finder will match you with the right string set for your instrument, playing style, …

String Tension Pro allows players to find the exact string tension for any instrument—string by string. Start using this string tension calculator now!

As one of the world's leading guitar string companies, D'Addario offers multiple lines of classical guitar strings including Pro-Arte Carbon, XT Classical, & more. Learn more about the classical guitar …

Coated with our groundbreaking XS coating, these premium strings provide the longest life of any D’Addario electric guitar string. With XS Nickel, you can have maximum string life and a smooth, fast …