3.5mm (1/8") DIY 4-Pole (TRRS) Plug
Adafruit
$2.91
is on back order
This item is a 3.5mm TRRS Plug with four poles. TRRS stands for Tip, Ring, Ring, Sleeve. It has four total conductors - three signal and a ground as opposed to a more common stereo jack's two. This connector is most often used in smartphones & cellphones to provide stereo audio and one mic channel.
