Graph Tech Ratio 6 Inline Mini Contemporary Machine Heads - Black Headphone Amps An affordable and robust vintage

An affordable and robust vintage style 2 button footswitch with good quality RCA connectors

The active PHAT-II bass boost adds additional low end to your sound

We recommend the Pure Mini pickups for all acoustic guitars as a first choice

a further evolution that features an advanced cutting-edge form and many of the functions and technologies developed for previous models of the Pitchblack series

Graph Tech Ratio 6 Inline Mini Contemporary Machine Heads - Black Headphone Amps An affordable and robust vintageThe PRN 2721 B0 is a set of Ratio Tuned Machine Heads for an electric guitar that uses six inline tuners. It has a mini contemporary shaped button, has a two pin casing and is finished in all black.