The iPhone 6 Plus audio jack is truly multifunctional. By definition it is the socket for plugging in an audio source, and called a media jack, phone jack or headphone jack. It’s now used to connect external devices such as card readers, car stereo audio ports, even novelty gadgets. There is a whole slew of products and devices that connect to your iPhone through the audio jack. Gadget Fix offers same-day iPhone 6 Plus audio jack repair. If your audio jack has stopped working, come into our local store or mail in your smartphone.