The Voodoo Lab 18" 2.1mm Straight & Right Angle Barrel Cable: the most widely used cable with a 2.1mm straight and a 2.1mm right angle connector and standard (center negative) polarity. Used with a majority of popular pedal brands, including Boss, MXR/Dunlop, TC Electronic Nova, Line 6 ToneCore, Ibanez and more. Either the straight or right angle connector can be plugged into the pedal.