Martin MA550 Authentic Phosphor Bronze Acoustic Guitar Strings 13-56 Impedance_8 The gauges for both types

The gauges for both types of string are 060 to 018 covered

Coloured header card packaging

and just bring the Kemper Profiling Amplifier with you on the road

Output Power:

Martin MA550 Authentic Phosphor Bronze Acoustic Guitar Strings 13-56 Impedance_8 The gauges for both typesThese strings are engineered with the performer in mind and they will always stand up to rigorous practice and performance schedules. Martin start with their highest tensile strength core wire, then tin plate it on all six strings for added corrosion resistance; because what you dont see matters! When coupled with Martin's highest quality wrap wire you get consistent true tone that you can count on song after song. Martin Authentic Acoustic SP strings