How Does a Car Stereo System Work?
The head unit, also commonly referred to as a car stereo’s “faceplate,” is the piece of equipment that controls the entire system. It makes possible the playing of CDs, changing the volume, tuning into radio stations, displaying the time, as well as a number of other completely useful features. The head unit processes any sound information (either from the radio or a CD or cassette tape) and coverts it into an electrical signal to send to the car’s speakers. The head unit is the source of power for each of the speakers. A proper head unit should be able to power the speakers adequately to use them to their full potential. The speakers use the electrical signal that they are being provided and turn them into sound information. What we know as “music” is simply the speakers outputting a constantly changing frequency of noise. The volume can be adjusted by using either an appropriate knob or buttons on the head unit. It is also possibly and sometimes completely necessary to adjust to the
