Developed in collaboration with John Mayer, Ernie Ball Earthwood Bell Bronze strings have been carefully crafted to meet John's exacting standards providing a new voice for your acoustic guitar. Inspired by alloys used traditionally for bells and cymbals, Ernie Ball's proprietary Bell Bronze acoustic guitar strings offer a richer, fuller sound than any other string in our catalog. These strings will breathe new life into your guitar!

Features

• Developed in collaboration with John Mayer
• Big, bold sound Inspired by alloys used for bells and cymbals
• Increased resonance with improved projection & sustain
• Patent-pending alloy unique to Ernie Ball strings