What Does AUX Mean?
2 Answers
AUX refers to an audio input interface that can output audio from electronic audio devices including mp3 players, allowing the music from these devices to be played through the car's audio system. AUX is short for Auxiliary, representing an additional signal line design. In general audio equipment, besides the standard output and input ports, there are often several ports labeled AUX, serving as backup connection terminals. The AUX port is an asynchronous port primarily used for remote configuration, dial-up connections, and can also connect with MODEMs via transceivers, supporting hardware flow control.
As someone who commutes by car frequently, I find AUX particularly convenient. AUX stands for Auxiliary, meaning an auxiliary input port. Simply put, it's an interface in the car where you can plug in a cable to connect your phone or MP3 player to the car's audio system and play music. Back when I drove an older car with only a radio and CD player, the arrival of AUX allowed me to play my favorite playlists or podcasts anytime. The operation is straightforward: just buy an AUX cable (the 3.5mm type), plug one end into your phone's headphone jack and the other into the car's AUX port. It makes driving much safer since you don’t need to frequently look at your phone to adjust the volume. In some cars, the AUX port is located inside the glovebox, so you might need to search for it. If the sound quality is poor or there’s static, check if the cable is plugged in tightly—cleaning the connectors often solves the issue. Although Bluetooth is more popular now, AUX remains a reliable option in areas with poor signal or for older car models. The cables can wear out over time, but keeping a spare one handy is both affordable and practical.