D'Addario XT Phosphor Bronze Acoustic Guitar Strings, Custom Light, 11-52 Beyerdynamic Get up to 70 hours

Get up to 70 hours of operation from one 9V battery

as well as providing specifications that rival those of dedicated headphone amps costing $1500 and more

Designed with a circuit that is used not only for professional audio equipment but also in measurement devices that handle highly detailed signals

Great-Looking Spalted Maple Top

D'Addario XT Phosphor Bronze Acoustic Guitar Strings, Custom Light, 11-52 Beyerdynamic Get up to 70 hoursStand the test of time with strings that endure. DAddario XT strings use groundbreaking life span technology on every string in the set to bring you enhanced pitch stability and long lasting performance all while preserving the tone and feel of your favorite untreated strings. These strings are made to stay, for performance that never fades away. XT strings feature an extended lifespan treatment on every string in the set, preserving the natural tone