Guitar Works, Inc.
Electro-Harmonix - 9 Volt Adaptor For EH, Boss And Ibanez Pedals
Power supply for the SmallStone and BigMuffPi ! 9-volt power supply for USA Big Muff Pi, Small Stone (except Nano Small Stone), Small Clone,, Dr. Q., Mini Q- Tron, and Octave Multiplexer. Also suitable for vintage MXR Blue Box and Rat series of distortion pedals.