Martin MA170T Authentic Acoustic Lifespan 2.0 80/20 Bronze Strings, Extra Light Guitars A carefully shaped frequency response

A carefully shaped frequency response includes a voice-frequency presence peak and a low-frequency rolloff to compensate for the proximity effect inherent in cardioid microphones during close-talk operation

and release are provided

From narrow and sharp to broad and subtle

and sleep soundly

Martin MA170T Authentic Acoustic Lifespan 2.0 80/20 Bronze Strings, Extra Light Guitars A carefully shaped frequency responseMartins 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.