Graph Tech PRU-4004-BK Ratio Tune-A-Lele Uke Tuners Condenser Pedal Power X4 is a

Pedal Power X4 is a professional isolated power supply for up to four battery operated or high current DSP effects

You can find the originals in the rigs of top Nashville session players

One of the most popular drum heads in the world

for improved dynamics and tone

- Leaflet USING THE UNIT SAFELY

Graph Tech PRU-4004-BK Ratio Tune-A-Lele Uke Tuners Condenser Pedal Power X4 is aRATIO Calibrated Machine Heads incorporate different string gauges into the tuning equation. Tune a Lele Ukulele tuners are the world's lightest machine heads, with a uke friendly 6: 1 gear ratio! This super light, yet strong machine head makes ukes balanced, not headstock heavy, and with zero backlash makes tuning so much easier. The PRU 4004 BK is a set of RATIO Machine Heads for ukuleles that use 4 tuners. These ukulele machine heads are a perfect