Have you ever thought whether pedals that can be powered by 9v batteries were designed to sound the same regardless of how low the voltage drops in the battery?  Or how about that jice hot ‘wall-wort’ transformer you are using? Obviously, all pedals are designed and manufactured for ideal power situations, and therefore do not sound the same or as good when your power fluctuates or drops.  Why not treat your pedals to pure, regulated 9v DC power for the whole show, or as long as you need?  The Big John Power Supply can do just that … seven outlets of regulated 9v DC power to keep your pedals performing just the way they were designed.   Shipped with seven power cables, a sturdy steel housing and LED indicators for functions, the Big John Power Supply is just what the doctor ordered for your ailing power situation.