"Car Audio" is a general term that describes the volume is mounted inside a car. Even the term "stock car audio system" refers to the audio system by the manufacturer when the car was built. A custom car audio installation, however, may have everything to update the radio head unit for a complete change in size of the engine, based on its audio equipment – such as subwoofer, stereo with CD player, etc..

The main unit generally consists of aThe combination of a radio, tape player or CD / DVD. Newer units now head to emphasizing the support of digital music (MP3, WMA and AAC) and USB, Bluetooth and Wi-Fi.

Most modern cars have at least one CD player / CD recorder, and some have the option of stereo CD changer that has more disk space, both the head unit itself, or in a separate unit usually in strain consolation. The major types of CD-changer isExternal and internal cartridge and cartridges Carousel CD Changer.

Stereo sound, commonly called stereo, is independent of the reproduction of sound with two or more audio channels in this way to create a natural impression of sound heard from various directions, similar to natural hearing. In popular usage, stereo sound of the machine in general is busy, 2 plays 2-channel and viewing of sound, using data on more than onespeakerphone simultaneously.

Before stereo radio, the speakers were at the center of the dashboard often reminded of the perforations in the windshield. When stereo became available, a car audio speaker is within range and behind the vehicle in the hatbox. In modern cars, kick panel enclosures used for racing and high-end stereo systems and to allow larger drivers and better driver placement.

Amplifiers usedspeakers. It provides the necessary music, which is measured in watts. An amplifier is a very important element of a good car audio speakers. A man must always ensure that the current total capacity of the speakers are connected to the amplifier or head unit action is a greater power of the amplifier or head unit.