D’Addario EJ17 Phosphor Bronze Medium 13–56 strings turn up the volume and sustain on your guitar. Using the same phosphor bronze wrap on a hex core, this heavier-gauge set delivers rich, powerful tone with maximum projection. Expect plenty of low-end warmth and punch on the bass strings, while the treble strings remain clear and bright. Together they create a dynamic, full-spectrum sound that’s perfect for bold strumming and resonant chords.

These medium strings have higher tension, giving you extra volume and tighter feel—ideal for larger guitars or aggressive playing. You’ll feel the strength under your fingers: chords cut through with authority and single notes sustain beautifully. Despite the added gauge, the core construction keeps them remarkably stable and true to pitch. In short, EJ17 strings give you rugged durability and a big, balanced tone for all your acoustic performances.The higher tension yields a bold, punchy sound and increased sustain, suited for energetic strumming or drop tunings. Precision-wound phosphor bronze wrap on steel core delivers pronounced lows and balanced clarity.

Gauges: E4 .013, B3 .017, G3 .026, D3 .035, A2 .045, E2 .056.