There are 5 contacts on an Apple 3.5mm mini-jack connection, do you know what each is for and how it is wired? - Quora
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3.5 mm stereo jack wiring diagram.|Earphone wire information.Audio jack, Headphone jack repair - YouTube
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Ancable Replacement 4-Pack TRS Male Plug 3 Pole 1/8" 3.5mm Solder Type DIY Audio Cable Connector for Repair Headphones Headset : Amazon.ca: Electronics
There are 5 contacts on an Apple 3.5mm mini-jack connection, do you know what each is for and how it is wired? - Quora
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