Electro Harmonix EU96 DC-200 BI AC Adapter - original AC adapter. Compatible with Nano Small Stone, Nano Clone, Nano DrQ, Nano Bassballs, LPB-1, Pocket Metal Muff, Muff Overdrive, Little Big Muff, Micro Metal Muff, Micro Q-Tron, Stereo Pulsar, Clone Theory, Metal Muff, Soul Preacher, Holy Grail+, XO Octave Multiplexer, #1 Echo, Stereo MM w/ Hazarai, Micro POG, Knockout, Stereo Electric Mistress, Germanium OD, Holy Stain., Bass / Micro Synt