Martin Lifespan Phosphor Bronze Light MA535T Acoustic Strings 11-52 Brand_Boss FINE TUNE-These 2 trimmers work

FINE TUNE-These 2 trimmers work in conjunction with the SWEEP DIP switches to allow you access to values "in-between" switch settings

no frequencies are boosted or scooped

Every time you plug in

Powerful bottom end

and so many ways to make a sound that is truly yours

Martin Lifespan Phosphor Bronze Light MA535T Acoustic Strings 11-52 Brand_Boss FINE TUNE-These 2 trimmers workMartins next generation Lifespan 2. 0 strings are engineered using a new, patented technology only available from Martin. This technology was developed to protect the core wire and the wrap wire to prevent corrosion without compromising tone the single most important attribute of the guitar strings. Authentic Acoustic Lifespan 2. 0 strings look better, sound better, and feel better, providing a smooth playing experience that reduces finger drag. We