BYOC E.S.V. 2 Knob Bender Mod (Modular Capacitors) Posted on June 22, 2019 (Updated on May 28, 2020) in Audio, DIY, Effects Pedals, Electrical Components, Mods An overview of how I changed my BYOC ESV 2 Knob Bender into a modular design with regard to capacitor swapping.