Martin Strings Authentic Acoustic SP Phosphor Bronze 4 Pack Light 12 54 (MA540PK4)

4-Pack for Convenience and Savings: Always have a spare set when you need it. This bulk pack gives you four complete sets of Martin SP strings, perfect for everyday players and gigging musicians who value tone and reliability. Warm, Balanced 92/8 Phosphor Bronze Tone: Made from 92% copper and 8% tin phosphide, these strings offer a well-rounded, balanced tone with detailed overtones and excellent clarity across all registers. Engineered for Stability and Response: Tin-plated core wire on all six strings improves corrosion resistance and increases tuning stability. You’ll notice faster response and consistent tone from the first strum. Light Gauge for Balance and Ease: With gauges from .012 to .054, these strings offer a comfortable feel and articulate response—ideal for players who want easy playability without sacrificing tone or projection. Crafted by Martin, Trusted by Players: Designed and manufactured in-house to meet Martin’s strict quality standards. The same innovation behind our legendary guitars goes into every string we make.