Audio Jack 3.5mm - PRT-08032 - SparkFun Electronics

Low profile 3.5mm stereo audio jack.

Audio Plug - 3.5mm - COM-11143 - SparkFun Electronics

3.5mm Audio Jack Adapter - RobotShop

Audio Plug - 3.5mm - COM-11143 - SparkFun Electronics

PRT-10363 SparkFun

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Breakout Board for VS1033D MP3 - BOB-08792 - SparkFun Electronics

SparkFun Audio Jack Breakout - PRT-10588 - SparkFun Electronics

Connector Basics - SparkFun Learn

Codec Shield - DEV-11290 - SparkFun Electronics

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3.5mm Audio Jack Adapter - RobotShop

3.5mm Audio Jack Adapter - RobotShop