The jhs pedals mini a b box is an ultra compact input or output selector adding a huge amount of versatility to your setup. Perfect for a wide range of live applications this pedal can be utilised to instantly select between two different amps take your tuner out of your signal chain switch between two guitars mute your signal and much more. Designed specifically for live application if you need to swap guitars or tones on dual amplifier rigs then this is the pedal youll need to do it instantly with no fuss whatsoever. The jhs pedals mini a b box features a dual colour red green led allowing you to tell immediately whether the a or b connection is currently in use. The pedal is passive in operation but requires a standard 9v dc negative power supply for the led to function. Whats more with this pedal is both robust and highly compact and its tiny footprint means that it takes up next to no room on your pedalboard so you can expand your rig further. If youre looking for a guitar pedal which provides the ultimate on stage convenience then look no further.