The Ernie Ball VP JR with the Pro Volume + Tuner Mod is the world’s first volume pedal that features a built in tuner and buffer. Having independent inputs and outputs for the tuner and the volume section makes the Pro Volume + Tuner Mod a very flexible pedal to integrate into your guitar or bass set up, it features an upgraded premium volume pot and comes with the lifetime string that will never break on you. 


This mod is built to order, the turnaround time is 1-3 business days. Please note: Due to Covid-19, build times can be higher. 


Pedals sent in for mods have a 60 day warranty.  


International customers are responsible for paying custom duties and import taxes.


After placing your order please email us at for the shipping address to send in your pedals for the mod.



Pro Volume + Tuner Mod

  • We offer a 15 day full refund on new orders, customer must contact us within 15 days of receiving the product.

    No returns or refunds on products sent in for a mod.  

    Customer covers return shipping.


  • USPS Priority 1-3 days in the US

    International 6-10 days