Martin Authentic Treated Medium 13-56 92/8 Phosphor Bronze Acoustic Guitar Strings Pro Sound Selectable omnidirectional or cardioid pickup

Selectable omnidirectional or cardioid pickup patterns

the ART 910-A packs high-performance and reliability in a compact enclosure

Maximum Level: 60+60 mW (when load impedance is 33 Ω)

and everyday wear

Martin Authentic Treated Medium 13-56 92/8 Phosphor Bronze Acoustic Guitar Strings Pro Sound Selectable omnidirectional or cardioid pickupExperience unparalleled clarity and longevity with Martin Lifespan 2. 0 strings, crafted with patented technology to preserve tone while resisting corrosion. Engineered for consistent, vibrant sound, these strings let your guitars natural voice shine through every note. Designed to maintain exceptional performance over time, Lifespan 2. 0 strings deliver the reliability and musicality that professional and passionate players demand. Martin Lifespan 2.