In the 21st Century, few people remain unaware of the need for seeking the latest upgrade for a personal computer. Yet some people still lack an appreciation of the fact that computers are everywhere. Any car owner who has a car speaker system has a computer inside of that system.

Like the computer programs that control a personal computer, the programs inside of a car speaker system control that device. Those programs are found in the drive. Often an upgrade to the car speaker system provides the car owner with high frequency drivers. That fact represents one of the reasons why one should upgrade a car speaker system.

A full appreciation of the importance of upgrading a car speaker system comes most readily to anyone who understands the role of the transducer. The transducer, i.e. the car speaker in a car audio system, carries out the important energy conversion. The transducer converts the electrical energy in the system wires into the sound energy that the car passengers want to hear.

The conversion of electrical energy into another form of energy requires use of magnets. When a car