While watching a video about old radios from the 1920s, a phone jack popped up. The host mentioned that phone jacks are super old and he wondered what was their origin. I always assumed they had ...

1/4'' to 3.5mm Audio Jack Adapters allow a 6.35mm stereo port to connect a 3.5mm plug aux cable Connect audio devices such as guitar amplifiers and AV receivers to headphones or MP3 Players with 6 ...

The 3.5mm headphone jack is an industry standard audio plug. Most commonly used for connecting a pair of stereo headphones to your smartphone or 'piping' your audio from your phone to an external ...