To answer this question, we must try to understand the limits of human hearing. Most people realize that many animals are not human ear can detect sounds to hear. For example, you can not hear the whistling sound of a dog but a dog pricks his ears when the wind a man in a flute. Sound waves have a frequency response that goes beyond the limits of what the human ear can hear. Many of the sound waves that remain unnoticed by manPreview can be detected by a machine sensitive audio equalizer.

The frequency of a sound indicates the rate at which sound device is in motion. A fast-moving device is a high frequency sound, a slow moving unit is a low frequency sound. About human can hear sounds with frequencies higher and lower. Car audio equalizer, the ability to intercept signals from these sounds.

The owner of a machine as an audio equalization system that can detectPick-up or ask to signals from high and low frequency of the sounds. Inside the car's audio system, the electrical signals to the preamplifier and a trip to the equalizer. In Car Audio signals will equalizer for processing units and frequency of the signals are adjusted. The modified signals are then back at first. The amplifier sends signals to the amplifier adjusted.

In the end more power to appropriate signals. Thehigh-power signals will be the speaker vibrates. The vibrating cone of the speaker causes sound to be pushed. Since the signals are adjusted by car audio equalizer, all the sounds from the speakers to be heard by people in the car driving in the car audio system. (There is no doubt that it would be the dog in the car listening to these sounds.)

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