The Ernie Ball 6166 Mono Volume Pedal puts complete volume control right at your feet! This quality volume pedal makes an excellent hands-free alternative for players who like to ride the volume knob. Use it to create amazing tonal textures in conjunction with other effects, or perform classic pedal-steel swells with ease. The 6166 Mono Volume Pedal uses a 250k ohm resistance for great performance with passive instruments. It includes an internal taper switch that allows you to select betwee two volume swell rates. A handy independent tuner output allows for silent tuning when the 6166 Mono Volume Pedal is in the "heel down" position.