Ernie Ball Cobalt guitar strings are made from a new alloy formula that gives you higher output, better sound, and longer string life. Ernie Ball bets tested the Cobalts on members of their star-studded artist roster, and these guitar and bass giants returned nothing byt positive reviews. When you string your guitar or bass with Ernie Ball Cobalts, tight away you'll notice the amazing comfort these strings offer - silky and pliable under your fretting fingers, and your pick will seem to glide over the strings, letting you play speedy runs easier. And when you plug in, you'll get higher output, defined, growly lows, and better midrange focus, harmonics, and sustain. Ernie Ball Cobalt strings - check 'em out!
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