Acoustic guitar strings are essential for shaping your guitar’s sound and feel. The choice of material, such as phosphor bronze for warmth or 80/20 bronze for brightness, will define your tone. Lighter gauges make playing easier and suit fingerpicking styles, while heavier gauges offer more volume and sustain. Coated strings are a good option for resisting corrosion and dust, especially if you play often or live in a humid area. Regularly changing your strings keeps your acoustic guitar sounding clear, balanced, and expressive.