D'Addario Phosphor Bronze acoustic bass strings are precision wound with phosphor bronze wrap wire, over a hexagonal high carbon steel core.

- The Phosphor Bronze wrap wire provides tried-and-true D'Addario acoustic bass tone, with beautiful balance and warmth suitable for all musical genres.

- Now the standard in acoustic strings, Phosphor Bronze strings were originally pioneered by D'Addario in the 1970s.
 
- Our Phosphor Bronze bass strings are made in the USA—drawn to exacting specifications at our New York production facility.