Way Huge WHE301 Fat Sandwich Distortion Limited Edition Black Delivers heaps of crunchy distortion goodness via its innovative multi-stage clipping circuit. The passive tone stack was tuned to bring out the sweet spot with any guitar and amp combination. The Volume control produces tons of output, making it ideal for driving the headroom out of the most powerful tube amps. Power: Dunlop ECB003 AC Adapter or Single 9 volt battery Versatile and over the top