Voodoo Lab Pedal Power Digital Isolated Power Supply Four 9V isolated high-current 400mA output sections (2 with 12V option) Powers Strymon, Eventide, Line 6 (excludes M9/M13), Boss Twin, TC Electronic Nova and more Also compatible with all 9V battery operated pedals Linear regulation and toroidal transformer for lowest possible noise Compact design fits small pedal boards and rack shelves