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Re:Ford 021C Concept Car (1999) by rdlw on Wednesday September 06, 2023 @12:09PM (#37407161)
Sure it does. Even headphones have controls built in to the cable.
Re:Ford 021C Concept Car (1999) by dontlaugh on Wednesday September 06, 2023 @12:13PM (#37407218)
That is not standardised across different headphone manufacturers and often doesn’t work. It doesn’t work at all on cars.

Analog protocols are not a good idea for this. Digital with a decent protocol is much more reliable, whether wired or not. In practice, the best option is either wired CarPlay/Auto or bluetooth.