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Speakers called horn, its function is to convert audio signal to noise signal and the surrounding air medium radiation. To design the most cone vehicle speaker, because it is in the car installation position of limited circumstances, tapered design can enlarge the diaphragm and diaphragm effective area of effective area of low frequency response determines the speaker. Namely, tapered design can not add the mega bass circumstances, enhance the bass effect.

According to the purposes, speaker can be divided into the whole frequency and low frequency and high frequency and four. According to the energy conversion can also be divided into type, form, and piezoelectric, electrostatic assolenoid style of peace, vehicle plate with type. Speaker

All frequency speaker is low, coaxial speaker unit and high-frequency units were designed in the same line, the axis is low, inside is high, but the voice point in the physical location. This design can remove the high and low frequency unit because of different frequency range of voice, but because the high, drifting from a point of the bass, so the distortion of the tone.

Speaker 2 points frequency frequency and three points, two points by tweeters and frequency, 3 woofer frequency is plus the mediant unit. Because each unit is responsible for different frequencies and broaden the scope of frequency effectively, which solved the problem of distortion of timbre. But because of our daily lives, we have heard a voice from the basically, and points out some of the frequency of each unit are speakers, installation of different frequencies and different physical location. So, can appear the drift. Sound In addition, though, high frequency of a woofer for different, but it will exist, such a point in different position, the same frequency, will produce sound waves interference.

To solve these difficulties, using prescaler role. Prescaler, just as its name implies is to separate different frequencies and sent to different speaker unit. Of course, it is not only the function of this, and it also according to the characteristics of speakers adjust, to reduce the distortion and interference.