D'Addario 10-47 Extra Light Acoustic Guitar Strings EJ15 Open Box -20 hour battery life with

-20 hour battery life with auto shut off in 10 minutes

and pitch calibration in a discreet

043 Tie-End

-Great for classical

high-quality speaker

D'Addario 10-47 Extra Light Acoustic Guitar Strings EJ15 Open Box -20 hour battery life withD'Addario was the first to use Phosphor Bronze in acoustic guitar strings back in 1974. Today, Phosphor Bronze is played throughout the world and considered to be the standard in acoustic strings, thanks to its beautiful sonic balance and tonal warmth. Our pioneering Phosphor Bronze acoustic guitar strings are precision wound with phosphor bronze wrap wire over a high carbon steel core, providing tonal versatility suitable for all acoustic styles and