A good solid A/B box can be a guitarist's best friend. We make ours from a Hammond 1.5"x3.6” metal enclosure with high quality jacks and switch. We also include a dual color (red/green) LED to let you know by sight if your using A or B. This is very practical in a live situation. Here are the best uses for our handmade Mini A/B.
This pedal is passive but requires standard 9V DC Negative power for the LED to function and it measures 3.6"x1.5"x1"