Martin MA240 Authentic Acoustic Superior Performance 80/20 Bronze Guitar Strings - Bluegrass 12-56 tobacco-sunburst Onboard stereo SD recorder with

Onboard stereo SD recorder with true Virtual Soundcheck mode

Media Format: Supports media formatted ExFAT (Windows/Mac) or HFS+ (Mac) file system

may also be mounted into a desk top to optimize ergonomics and studio efficiency

Shaft diameter: 0

8 Ohm Bridged: 700W

Martin MA240 Authentic Acoustic Superior Performance 80/20 Bronze Guitar Strings - Bluegrass 12-56 tobacco-sunburst Onboard stereo SD recorder withMartin Authentic Acoustic Superior Performance SP strings feature higher tensile strength and tin plated core wire on all six strings that enable a fuller and more balanced tone, quicker response and increased tuning stability. Our impeccable standards for acoustic guitar tone are embedded in our string design and precision manufacturing process. That's why we make our own.