Here's a critical addition to your pedalboard that's often overlooked: a great volume pedal. Plug into Ernie Ball's fantastic (and pedalboard-friendly) VP Jr 25K volume pedal and find out just how expressive your playing can be! Bring pedal steel-style swells to your performances. Keep your guitar at just the right volume for different parts of songs. control feedback. You'll love what this amazingly smooth pedal does for your setup. The VP Jr 25K's sweep is perfect for active instruments. It's tour tough too; the rugged VP Jr 250K is built to perform flawlessly over the long haul. VP JR 25K is for use with active electronics. The potentiometer has a 25k ohm resistance suitable for an active audio path.