MARTIN MA540T Acoustic Guitar Strings, Authentic Treated, 12-54 Gauge_11-58 The analog speaker sim is

The analog speaker sim is derived from the acclaimed Le Preamp series

Screw locking mechanism

Aroma AG-26A - Rechargable

With our newest innovation

MARTIN MA540T Acoustic Guitar Strings, Authentic Treated, 12-54 Gauge_11-58 The analog speaker sim isMartins 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