Let’s get one thing out of the way right up front: Yes, the main conceit of the $329 Cooper FX Arcades is a little gimmicky. It’s a guitar pedal into which you stick cards to apply different ...

(Image credit: Empress Effects) It runs on 9V from a pedalboard power supply, drawing 300mA, but an internal voltage booster ups this to 27V for increased headroom. At the heart of the pedal’s design ...