Ernie Ball Earthwood Medium 80/20 Bronze Acoustic Guitar Strings epiphone signature Switch between adjustable Fast and

Switch between adjustable Fast and Slow modes to achieve that iconic sound when the big cabinet ramps up to speed and down

its ability to cancel hum is superior to full-size humbuckers

and DC 9V power input

single 9-volt operation

it comes in classic black for a timeless look

Ernie Ball Earthwood Medium 80/20 Bronze Acoustic Guitar Strings epiphone signature Switch between adjustable Fast andEnhance your acoustic guitar's sound with Ernie Ball Earthwood Medium Strings. With 80% copper and 20% zinc, the hex shaped steel core delivers a bright, crisp tone. These strings are a must have for any guitar enthusiast looking to improve their sound. Gauges 013, 017, 026w, 034, 046, 056