Eliminate AC ground loop
The 90% pedal effects (distortion, overdrive, boost, delay etc) using a 9-volt DC power source. Typical sources used are 9V battery or 9V AC adapter. Standard AC adapters may introduce electrical noise interference on your signal and require a power outlet near you. With ZeroNoise power box you don’t need any power outlet and your signal is perfectly clean for as long as 50 hours work.