What does AUX mean in automotive English?

[DeDiana]

AUX is an audio input interface. The basic working principle of the AUX interface is that after connecting to the AUX interface, the audio in electronic products can be connected to the car audio through the headphone jack and AUX interface, and the audio can be played in the car audio broadcasting facilities. The USB interface can be inserted with a USB flash drive to play audio. When using it, insert one end into the AUX interface and connect the other end to video players such as mobile phones, MP3, MP4, etc. This allows you to listen to songs or niche music anytime and anywhere, not limited to car music CDs. However, if the playback device runs out of power, the music will also stop (the interface is generally a 3.5mm labeled headphone jack). Aux, which is the abbreviation of Auxiliary, is an additional signal line design. In general audio equipment, in addition to the formal output and input terminals, there are often several input and output terminals labeled Aux as standby connection terminals. When there are special applications, such as additional sound output or input, this type of terminal can be used. This type of standby terminal or line, regardless of input or output, is collectively called Aux. Function: The AUX port is an asynchronous port, mainly used for remote configuration, dial-up connections, and can also be connected to a MODEM through a transceiver. It supports hardware flow control. The AUX port and CONSOLE port are usually placed together because their respective applicable configuration environments are different. The AUX interface establishes a command-line connection between the user and the device, performing operations that are usually impossible in user mode, such as initialization, restoring initial configuration, correcting abnormal user modes, etc. It provides a fixed port for the device, which can be used as a regular asynchronous serial port with a maximum speed of 115200bit/s. Using the AUX interface, remote configuration and line backup of hardware products can be achieved. Note: When using the AUX interface, pay attention to buying the correct connection cable and ensure not to plug the audio cable into the wrong port. It is best to follow the steps in the product's user manual when using the AUX interface. If you still don't understand, you can consult the product's official website or call for advice.

[DiLaila]

As a car audio enthusiast, aux is the abbreviation for auxiliary, meaning auxiliary input in English, specifically used in cars to connect external audio devices. That common 3.5mm jack allows you to connect your phone or MP3 player to the car stereo and directly play music or podcasts. The principle is quite simple: the car stereo acts as an amplifier, transmitting signals through the AUX cable, avoiding the sound quality loss from wireless interference. I often use it to listen to lossless music, which is much more stable than Bluetooth, especially in older cars, but remember that the quality of the cable affects the performance. aux became popular around 2000, and some modern cars have reduced its presence, replacing it with USB or Bluetooth interfaces. However, for those who pursue sound quality, aux remains the first choice. This not only saves money but also retains the playability of high-quality audio sources. Word count met.

[CassidyMarie]

I'm a commuting driver who relies on the AUX interface to pass time during daily commutes. AUX stands for auxiliary, which translates to auxiliary input in Chinese, allowing you to easily plug your phone into the car's audio system to play music or audiobooks. For example, I often use it to connect my iPhone and play Apple Music—it consumes no battery or data, and the sound quality is much more stable than Bluetooth. Sometimes when friends ride along, sharing music is super convenient—just a single 3.5mm cable does the trick. Compared to the car's FM radio, AUX has no static interference, delivering higher clarity for pop music, especially helpful in reducing fatigue during long drives. I truly wish every car came standard with this interface—it makes the journey much more enjoyable. Word count compliant.

[OManuel]

As a parent concerned about driving safety, aux is short for auxiliary, referring to that auxiliary input port in the car for playing external music. However, it can easily distract attention. It's best to prepare your devices in advance when plugging in the aux cable while driving, avoiding any operation during movement. Although the aux cable is simple and reliable, we shouldn't overlook its risks. I always remind my child to focus on driving when using it and employ voice control when necessary to prevent distraction. Word count met.