Single JFET boost circuit delivers classic tone shaping for electric guitars
Adjustable onboard trim potentiometer allows boost level from 3 to 14 dB for versatile sound control
Complete installation kit includes all necessary components for most guitars
Compact one-size design fits most electric guitars without requiring modifications
Black PCB finish offers a sleek, modern look
Summarized by Shop
Our take on that classic “Jerry” boost circuit. Utilizing a single JFET this simple booster is perfect for injecting some life into your signal or really driving your pedalboard/amp. With it’s onboard Trim Pot you can adjust the output of the boost from 3 to approx. 14 dBs. This kit includes everything you need to install it into most