1.AUX
AUX audio input interface is to be frequency sound from an electronic device including MP3 audio output (interface denoted generally 3.5mm headphone jack) in order to access the vehicle-mounted audio system listening to music within these devices.
but a little bad play equipment is no electricity, there will be no music.
Aux, which is ldquo; Auxiliary (auxiliary) rdquo; abbreviation, it is an additional signal circuit design. In a general audio equipment, in addition to the formal output and input terminals, often also with several marked ldquo; Auxrdquo; into the output terminals, as the connection end with the preparation. When you have a particular application, such as doing extra sound output or input, you can use this terminal. Such preliminary terminals or line, regardless of the output, we referred to as Aux.