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What brand is good car sound?
What brand is good car sound?Power amplifier is the heart of the sound system, the size of the power amplifier, the quality of the music plays a vital role in the play. General motors are designed in the power of the host, the power is generally 45W - 10W, but this can not listen to the multi-level power of digital music.
Below, we have to look at the world's ten largest car audio brand.
The main components of the car audio is the host, amplifier and speaker, in the purchase, to pay special attention to the performance of these three parts.
The most direct way to judge the good and bad of the sound machine is to look at its technical index. Mainly from the following aspects of the judge:
1, the output power: now the host of the subject of the power of the vast majority of music power, in the 40W-60W between the power can not be too large.
2, frequency response: the human ear can hear the frequency range between 20HZ-20KHZ, so the index at least to reach this value, and the wider the better. 3, the signal to noise ratio: it refers to the proportion of music signals and noise, the average premium car audio is above 90DB, the bigger the better. 4, harmonic distortion (THD): the index reflects the reduction of sound reproduction, numerical simulation shows the higher the degree of reduction, the sound effect is better.
Power amplifier is the heart of the sound system, the size of the power amplifier, the quality of the music plays a vital role in the play. An ordinary car amplifier are designed in the host computer. Power is generally 10W - 45W, but you can't listen to multilevel high power digital music, to make the sound to achieve the best results, it is necessary to increase the independent power amplifier in the system, the purpose is the power supply voltage of 12 volts rose to 35 V - 45 volts, promote a high-power horn with high voltage, so that dynamic range increases the, music can be more perfect to play out. So how to buy power amplifier?
First, power amplifier should match the power and horn; secondly, to choose a built-in frequency divider of the power amplifier, this will make the system extensible, free of power amplifier and a speaker are combined, and at the same time, the simple and easy adjustment and improve the sound quality of the whole system. Choose to pay attention to the choice of large heat sink as much as possible, because the large power output, will inevitably produce a larger heat, heat dissipation is one of the important factors to maintain the basic work of power amplifier.
Loudspeaker, commonly known as speaker, sound system is an indispensable important equipment, all the music are through the trumpet sounds, like the human throat, is the only electric energy is changed into "sound" is a kind of equipment. Speaker of the character, the sound system of sound quality, play a vital role. Speakers include units, bass, midrange and treble unit, the unit responsible for different frequencies, but their working principles are the same.
A lot of car audio using the horn, a coaxial, full range, separate and ultra low unit etc.. The smaller the area is, the higher the pitch is, the larger the area is, the lower the pitch is. Therefore, the sound system must use a variety of speakers of different sizes to complete the music.
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