Martin SP Lifespan acoustic guitar strings are treated with proprietary technology to bring you the longest possible string life without sacrificing tone or natural feel. Martin SP Lifespan strings are designed to repel the oils and dirt that can deaden strings. All six strings are treated to preserve the natural Martin SP sound and feel that players prefer. 80/20 Bronze is popular string material for stage and studio performance due to its brilliant tone out of the box. The tone will mellow quickly into a warm sound.
- SP Lifespan acoustic guitar strings
- Treated with Martin’s proprietary technology