Truetone Visual Sound Mini-Jack Adapterkabel
Truetone C35 1 Spot 3.5mm Converter, Adapter Cable, Connector: Coaxial connector (negative pole inside) to 3.5 mm (1/8"") mini-connector (positive pole on tip), For older Dunlop, MXR, DOD, Frantone, Pro Co and Electro Harmonix effects with mini-jack connector