Revolutionary. Ernie ball have once again outdone themselves. Bringing you a one of a kind creation with a two in one attitude. And its meticulous. The ernie ball vpjr tuner pedal was designed with both convenience and precision in mind. So expect that classic ernie ball volume pedal with the design and renowned swelling sound you love as well as a refined accurate chromatic tuner combined.innovate your performance. Explore tonal flexibility and that instantly recognisable sonic swell. Distinctive. And its perfect for your pedal board. Inject the creativity of a volume pedal while taking even more control over your performance. And with the ability to go from an iconic volume pedal with 40 years of expert production to a fast accurate tuner this vpjr certainly just changed the game. Reduce the volume with one effortless foot sweep and watch the digital tuner automatically spring to life. Then its pedal to the metal to unleash the volume with impact and always in your control.