Power supply for some Classic Series pedals (with metal housings): Q-Tron, Q-Tron +, Stereo Polychorus, Worm, Mistress Deluxe Electric, XO Deluxe Memory Man, XO Q-Tron +. As well as for pedals stopped with trapezoidal housings: Classic Micro Synthesizer, Classic Bass Micro Synthesizer, Classic Deluxe Memory Man and Classic Stereo Memory Man.