The little plastic casing on one earpiece is popped off, and replaced with a 3D-printed version that stoutly holds a female TRS jack in place. This can then be soldered up to the wiring inside the ...

Adding An Audio Jack To Classic Headphones Is A Nifty Upgrade. January 8, 2022 by Lewin Day 15 Comments ... and replaced with a 3D-printed version that stoutly holds a female TRS jack in place.

Nokia AD-15 "Nokia Audio Adapter" allows you to plug in your own headphones, unfortunately this is achieved with a big box on the end of the cable, ... a cable with a female mini jack ...