Competitions audio tuning (car audio).
It is increasingly common to events in custom cars (Tuning) adding audio and multimedia contests. Car Audio Tuning in the world is now a specialty and all with a certain autonomy which powers loom large in the dimensions of sound and video.
These events generate a great expectation because teams are set impressive and shows a lot of competition, participants squeezed the most of the teams looking for the jackpot or at least a good result.
Participants who enroll in classes, from amateur to professional. Measure the power and quality of equipment, also issued certificates. It is precisely the opportunity for a certificate and displayed in the window, for experienced professionals.
You can find different types of competitions. There are basically two: the "quality competitions" (Sound Quality) where measures the sound fidelity of the facilities and skills "sound pressure" to measure the power amplifiers and subwoofers.
In contests of quality, the jury will evaluate both the quality of sound produced as the facility itself, as presented equipment. Competitive pressure to include the decibels that the equipment can emit. The most valuable are the official, there are two major associations, they define the categories and provides ways to judge teams in events held in the world.