We talk so much about the Car Stereos and audio systems. But how and from where do they receive signals? How are they connected to the frequencies? An Audio receiver is one that helps your car`s stereos and audio stations to play the songs for you. It is considered the heart and brain of a car`s audio system. AUTORADIO1001.com [FR] Your choice of audio systems and devices depend on the audio receiver and hence you are not choosing a system but an audio receiver to make you dashboard look dashing. So it is important to pick and choose the right one for your hi-end model to make it even more sophisticated.