In addition to acting as the brains of the audio system, some head units also include video functionality.
Modern head units are sometimes also integrated into infotainment systems.
The Amp
An amplifieris the second major component that every car audio system needs.
These simple audio systems actually contain a small power amp inside the head unit.
Some OEM audio systems include separate power amps but most dont.
However, installing a new amp wont always provide a huge boost in sound quality.
The Speakers
Speakersmake up the final pieces of the basic car audio puzzle.
Most car audio systems have at least four, but there are a lot of different viable configurations.
That vibration displaces air, which creates the sound waves that we hear.
Replacing full range speakers with components is one of themain reasons people upgrade their speakers.
Some of the components and technologies that can really bring a car sound system to life include:
