Creanoso 9V 2000mA Power Adaptor Charger - for Guitar Effect Pedals, Mini Amps, Keyboards - Tip Negative Guitar Effects Power Supply PREMIUM QUALITY guitar pedals power adaptor adapter, negative center Will power additional 9 volt, tip negative effects pedals, keyboard, metronome and other musical equipment. OUTPUT: 9V DC, 1A (2000mA), Tip Negative (-) design Professional noise isolation performance Fit for most brands of guitar effect pedals: DigiTech, DanElectro Chorus effects, Ditto guitar looper pedal, Boss, Danelectric Honeytone mini amp, Dunlop, Marshall Jackhammer, Fender, Wah, Vox Stomplab, Joyo, D'Addario, Mooer,Donner, Zoom, Ditto, Behringer and many more.