Martin FX strings use an advanced thin core wire to increase flexibility and improve sustain without sacrificing tone, durability or playability.

Don't let the diminutive size of the Martin Backpacker Acoustic Guitar fool you. A braced, solid tonewood top with a solid mahogany neck, back, and sides gives this cool little guitar a surprisingly big projection. Built to withstand the rigors of camping, hiking, and off-road traveling. Includes high-quality chrome-enclosed tuners. Weighs less than 2-1/2 lbs.

Gauges 12-16-25-32-42-54.Martin M540 Phosphor Bronze Light Acoustic Guitar Strings are made from 92/8 composition alloy to give brilliance, clarity, and longevity of sound. The Phosphor Bronze winding is ideally suited for making strings that have deep, rich basses and clear, bright trebles.