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The number of frequency channels may be matched to the requirements of the intended application. A car audio equalizer might have a total of five to ten frequency bands. An equalizer for professional live sound reinforcement typically has some 25 to 31 bands, for more precise control of feedback problems and equalization of room modes.
An Alpine car audio remote control. 1981- World's first automotive navigation system, created for Honda as the Electro Gyrocator. 1982 - World's first in-car computerized equalizer. 1983 - Alpine introduces their first remote control auto security systems. 1984 - Alpine introduces the Model 9500 Mobile Cellular Telephone. 1990 - 7909 CD Tuner.
Some head units have built-in stereo amplifiers. Other car audio systems use a separate stand-alone amplifier. Every amplifier has a rated power level sometimes noted on the head unit with the built-in amplifier, or on the label of a stand-alone unit. Coaxial speakers: These are the most common type of car speakers and are often factory-installed.
Moreover, it may provide control of audio functions including volume, band, frequency, speaker balance, speaker fade, bass, treble, equalization, and so on. [2] With the advent of dashcams, GPS navigation, and DVDs, head units with video screens are widely available, integrating voice control and gesture recognition.
This list of car audio manufacturers and brands comprises brand labels and manufacturers of both original equipment manufacturer (OEM) and after-market products generally related to in-car entertainment that already have articles within Wikipedia. While components sold by these companies have much in common with other audio applications or may ...
In-car entertainment (ICE), or in-vehicle infotainment (IVI), is a collection of hardware and software in automobiles that provides audio or video entertainment. In car entertainment originated with car audio systems that consisted of radios and cassette or CD players, and now includes automotive navigation systems , video players, USB and ...