Martin MA140T 2.0 80/20 Bronze Authentic Lifespan Acoustic Guitar String - Light 12-54 subcat-wind-and-brass External speaker jacks: one 8

External speaker jacks: one 8 ohm and two 16 ohm

The Tune knob is used to adjust the frequency of OSC 1

High-performance black hardware includes a set of Grover tuners

Additional cable security is provided on either side of the rubber shock mount

And being less sensitive to room-aberration interference

Martin MA140T 2.0 80/20 Bronze Authentic Lifespan Acoustic Guitar String - Light 12-54 subcat-wind-and-brass External speaker jacks: one 8Martin MA140T 2. 0 80 20 Bronze Authentic Lifespan Acoustic Guitar String Light 12 54 Overview: Next generation Martin Authentic Acoustic Lifespan 2. 0 strings are engineered using a new, patented anti corrosion treatment only available from Martin. It protects the core and wrap wire to prevent corrosion without compromising tone or feel. Our impeccable standards for acoustic guitar tone are embedded in our string design and precision manufacturing