Rich, Balanced Tone with Classic Martin Voice
The Martin MA550S Marquis Medium Phosphor Bronze Strings are crafted to deliver the full, powerful acoustic tone that serious players demand. With a medium gauge (13–56), these strings provide strong projection, robust low end, and clear midrange, making them perfect for flatpicking, strumming, and ensemble performance alike. Built with Martin’s renowned phosphor bronze alloy and precision manufacturing, the MA550S delivers dependable tuning stability, warm tone, and expressive dynamics you expect from authentic Martin strings.
Phosphor Bronze Construction (92/8 Alloy) — Warm, balanced tone with clear highs and rich mids.
Medium Gauge (13–56) — Enhanced tension for increased volume, projection, and presence.
Smooth, Responsive Feel — Great balance between comfort and dynamic range for powerful playing.
Round‑Wound Design — Crisp articulation and well‑defined tonal response across all strings.
Trusted Martin Quality — Precision‑engineered strings made for performance, longevity, and consistency.
The MA550S Marquis Medium Strings produce a bold acoustic voice with excellent sustain and clarity. Their medium gauge adds tension and strength, making them ideal for guitarists who want robust tone without sacrificing responsiveness. Whether you’re performing rhythmic strums, fast flatpicking lines, or rich chordal textures, these strings provide balanced harmonic content and strong projection that stand out in both solo and ensemble settings.
Acoustic players needing strong projection and presence
Flatpickers, strummers, and ensemble musicians
Blues, folk, country, and rock acoustic styles
Players who prefer medium gauge tension for power and volume
Gigging and recording musicians seeking reliable, expressive tone
