Enjoy all the benefits of an Ernie Ball volume pedal AND a high-end chromatic tuner Save space and simplify your pedalboard with this unique 2-in-1 pedal The pedalAs enhanced definition digital tuner delivers a smooth, accurate, and visually pleasing tuning experience Unlike a traditional volume pedal, the digital screen also provides a visual depiction of your volume level If youAre in need of a tuner pedal, why not have a world-class volume pedal tooDouble tap anywhere on the upper half of the screen to select between three modes: volume only, tuning only, or volume + tuning While the tuner is displayed, double tap anywhere on the lower half of the screen to display the pitch menu Then single tap any of the frequencies to change the reference pitch of the tuner Pedals are set to the standard 440 Hz, but settings from 432 Hz to 447 Hz are readily available The touchscreen can be locked or unlocked by simply holding the lock icon for three secondsThe VPJR Tuner can be used as a master or gain control on your pedal rig It is compatible with almost any 9 to 18 volt power adaptor on the market The mono input jack can accept both passive and active mono audio signals with 9 to 18 volts of headroom (depending on the power supply), making it an ideal tuner pedal for both bass and guitarThe VPJR Tuner pedal features a compact, rugged aluminum housing and a stronger, more durable PVc coated Kevlar cord to ensure a smooth, consistent tension throughout the foot sweep The pedal tuner is topped with a textured grip pad for comfortable and secure foot control