Martin Authentic Acoustic LifeSPan 2.0 92/8 Phosphor Bronze 12 String 10-47 Extra Light AMPSALE Expression pedal input with selectable

Expression pedal input with selectable control over any knob parameter

Octave up/down buttons with LED indicators

or just to kick in more bass

9 volt battery

Martin Authentic Acoustic LifeSPan 2.0 92/8 Phosphor Bronze 12 String 10-47 Extra Light AMPSALE Expression pedal input with selectableMartin Authentic Acoustic strings are engineered with the performer in mind and they will always stand up to rigourous practice and performance schedules. We start with our 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 our highest quality wrap wire you get consistent true tone that you can count on song after song. Available in 80 20 Bronze