Martin MA140PK3 Authentic Acoustic (3 Packs) Guitar Strings - Light 12-54 cracked-mirror-finish Internal Software: Internal Software upgrade

Internal Software: Internal Software upgrade via included firmware updater application via USB or ethernet

6 mic/line inputs with XMAX Class A mic preamps

Acoustic Principle: Pressure Gradient

18-bit resolution

Hardware Color Space Conversion

Martin MA140PK3 Authentic Acoustic (3 Packs) Guitar Strings - Light 12-54 cracked-mirror-finish Internal Software: Internal Software upgradeThese strings are engineered with the performer in mind and they will always stand up to rigorous practice and performance schedules. Starting with Martin's highest tensile strength core wire, then tin plate it on all six strings for added corrosion resistance; because what you don't see matters! When coupled with their highest quality wrap wire you get consistent true tone that you can count on song after song. Available in 80 20 Bronze and 92 8