The Martin MA540T LifeSpan 2.0 Phosphor Bronze acoustic guitar strings combine Martin's classic phosphor bronze tone with LifeSpan 2.0 treatment technology, helping the strings maintain their tone and resist corrosion for longer.

The Light 12-54 gauge provides a versatile balance of volume, projection and comfortable playability. Phosphor bronze produces a warm, rich and balanced acoustic tone with clear highs, making the MA540T an excellent all-round choice for strumming, fingerpicking and general acoustic guitar playing.

• Martin MA540T LifeSpan 2.0
• Phosphor Bronze acoustic guitar strings
• Light 12-54 gauge
• LifeSpan 2.0 treated strings
• Enhanced resistance to dirt, sweat and corrosion
• Warm, rich and balanced tone
• Excellent clarity and projection
• Long-lasting tonal performance
• Suitable for acoustic and electro-acoustic guitars
• Ideal for strumming, fingerstyle and general playing

String Gauges

• 1st: .012
• 2nd: .016
• 3rd: .025
• 4th: .032
• 5th: .042
• 6th: .054