How do you convert mono jack to stereo jack?
Can you turn a headphone jack into an aux?
The standard aux connector size is 3.5mm, while headphone jack sizes vary from 2.5mm to 6.35. You can use a headphone jack for an aux-in, but not the other way around.
What is 3.5 mm aux cable used for?
Consumer electronics devices such as digital cameras, camcorders, and portable DVD players use 3.5 mm connectors for composite video and audio output. Typically, a TRS connection is used for mono unbalanced audio plus video, and a TRRS connection for stereo unbalanced audio plus video.