Detail 01
11-40 gauge
This set is identified with an 11-40 gauge range.

Independent shopping perspective
D'Addario XS Phosphor Bronze 11-40 strings are a coated mandolin set built around high-tensile NY Steel cores. The wound strings use an ultra-thin polymer coating to resist dirt and moisture, while the plain strings receive a separate polymer treatment for corrosion resistance. Fusion-Twist ball-end winding targets two practical concerns: string-break resistance and tuning stability. For players trying to extend the time between string changes, the set focuses on maintaining tone and feel over a longer interval.


Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01
This set is identified with an 11-40 gauge range.
Detail 02
Resists dirt and moisture on the wound strings.
Detail 03
Adds corrosion resistance to the plain strings.
Detail 04
Designed to improve break resistance and tuning stability.
Final check

Product questions
Straight answers to the questions shoppers most often ask about this product.
Yes. The plain strings have a polymer treatment for corrosion resistance.
Fusion-Twist ball-end winding is designed to increase break resistance.
They use high-tensile NY Steel cores.