An audio output apparatus and automobiles

The present invention discloses an apparatus and a car audio output, the audio output device comprising: an auxiliary AUX port, an audio signal processing chip, the charging circuit, the mode switching chip, mode selection button and the connection line, wherein the connecting line, the auxiliary AUX interface, the audio signal processing chip, the chip mode switch, connected in sequence mode selection button, a charging circuit connected in parallel with the audio signal processing chip; when the mode selection button in the audio mode, the audio mode is switched to the chip outputs a high level signal processing chip, an audio signal processing chip on the guide arm; when the mode selection button in the charging mode, the mode switching chip outputs a low level to the charging circuit, the charging circuit through the branch guide. And car audio output device according to the present invention, the mode selection by the mode switching button state change gating circuit chip, so that both the auxiliary AUX interface information to the multimedia player car audio equipment of the terminal device, and the terminal devices can be charged .