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3.5mm (1/8) 4-Pole (TRRS) Audio Plug Terminal Block : ID 2914 : $2.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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Amazon.com: Zeskit Premium 3.5mm Jack Male to Female AUX Audio Extension Cable, TRRS 4 Poles for Headphones with Mic, Speakers - 6ft : Industrial & Scientific
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3.5mm (1/8) 4-Pole (TRRS) Audio Jack Terminal Block : ID 2915 : $2.50 : Adafruit Industries, Unique & fun DIY electronics and kits