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5.5 / 2.1mm Barrel Connector - DC Power Plug : ID 3310 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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3.8 / 1.3mm or 3.5 / 1.1mm to 5.5 / 2.1mm DC Jack Adapter Cable : ID 2788 : $1.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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3.5mm RCA Male to Bare Wire, TSV 2Pcs Replacement RCA Male Plug Jack Connector Adapter to Bare Wire, Open End Audio Video Stereo Speaker RCA Cable for Repair - 10ft - Walmart.com
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Amazon.com: Fancasee 2 Pack 6 ft Replacement 3.5mm Male Plug to Bare Wire Open End TS 2 Pole Mono 1/8" 3.5mm Plug Jack Connector Audio Cable Repair : Electronics
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Amazon.com: SiYear 3-Pole 3.5mm Stereo Headphone Jack Male Plug Repair Replacement Solder Adapter, 3.5mm (1/8inch ) Solder Type DIY Audio Cable Connector(2PACK) : Electronics
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2 Pack Replacement RCA Male Plug Jack Connector Adapter to Bare Wire Open End Audio Video RCA Cable for Repair, 10ft - Walmart.com
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Panel Mount 1/8 / 3.5mm TRS Audio Jack Connector : ID 3692 : $0.75 : Adafruit Industries, Unique & fun DIY electronics and kits
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