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Amazon.com: 9V DC 1A Power Supply Adapter for Guitar Effects Pedal Center Negative : Musical Instruments
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Amazon.com: Blucoil 9V 670mA Power Supply with Slim US Plug AC Adapter Center Negative - Compatible with BOSS, Behringer, DigiTech, Jim Dunlop, MXR, Nobels, NUX, Roland, TC Electronic, Xotic, Zoom Effects Pedals :
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Amazon.com: LotFancy 9V Power Supply for Guitar Pedals, AC DC Power Cord, Adapter for BOSS Effects Pedal, Roland Musical Instruments, Distortion, Casio Keyboard, PSA -120S, UL Listed, 850mA, Center Negative : Musical
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