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USB Type C 3.1 PD to 5.5mm Barrel Jack Cable - 9V 5A Output [1.2m long with E-Mark] : ID 5449 : $7.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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USB to 2.1mm DC Booster Cable - 9V : ID 2777 : $6.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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1M USB DC 5V To DC 9V 2.1mm X 5.5mm Module Converter DC Barrel Male Connector Jack Power Cable Plug (5V To DC 9V)
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USB to 9v, DROK 5v to 9v USB Boost Converter, USB Cable DC 5v Step Up to 9v, 1.5A Power Regulator Line with 5.5mm Port 1.2 Meter Length
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Universal 9V Battery Eliminator USB Power Supply Cable for Multimeter Microphone Guitar 2m Replace Your 9-Volt Batteries - AliExpress
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Amazon.com: USB to 9v, DROK 5v to 9v USB Boost Converter, USB Cable DC 5v Step Up to 9v, 1.5A Power Regulator Line with 5.5mm Port 1.2 Meter Length : Electronics
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2.5 ft. DC 5-Volt USB to 9-Volt and 12-Volt Step-Up Converter 25-2 with Digital Display Extension Cord (4-Pack) 5T912 - The Home Depot
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USB-9V - (USB to 9 volt step up power supply cable) (Works with Center negative polarity pedals) | Reverb
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Amazon.com: myVolts Ripcord USB to 9V DC Power Cable Compatible with The Line 6 HX Stomp Effects Pedal : Electronics
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Amazon.com: USB Port to DC 9V/12V Boost Cable 2.6ft Router Step Up Voltage Converter Cable with LED Display : Electronics
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DC 5V to 9V 12V USB Step-up Converter Cable + 3.5x1.35mm Connecter For Power Supply/Charger/Power Converter _ - AliExpress Mobile
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USB-C Wall Adapter - 6V-6.5V/3A, 6.5V-9V/2A, 9V-12V/1.5A (with Cable) - TOL-19466 - SparkFun Electronics
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Amazon.com: iGreely DC 5V to DC 9V USB Voltage Step Up Converter Cable 3.3ft/1m Power Supply Adapter Cable with DC Jack 5.5 x 2.5mm or 5.5 x 2.1mm, for Fan, Led Light,
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Amazon.com: USB DC 5V to DC 9 Volt USB Power Supply Cable, Max Current 800mAh, Tip Negative Connector, Compatible for Guitar Effects Pedals Power Supply Adapter : Musical Instruments
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