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A lot of car audio fans buy a car graphic equalizer to get the most fidelity and value from their car’s music system. Now, we are going to highlight the 3 most vital shopping ideas you have to remember when searching on the web or in retail stores for a car equalizer.

The first thing to understand about purchasing any digital car equalizer is the concept of input channels. An equalizer is an audio processor that will improve or process sound from a number of input sources. A stereo receiver could be the most typical example of an input source. There’re other possible input devices such as portable music players.

A simple equalizer has two source inputs, but models are available with a lot more inputs and outputs for more audio devices. The second thing to remember when evaluating equalizers is the number of audio outputs. For many users, two inputs and three might be adequate. The three outputs might be used to drive three speakers, such as a sub-woofer and two additional speakers for mid and high range.

The output of the equalizer will feed an amplifier on 3 output channels that will in turn feed these 3 separate speakers. However, higher numbers of output channels are possible. This is typical for these equalizers designed as extra components in autos with original equipment surround sound systems.

The final factor to consider is that of installation. Can you setup an equalizer yourself? The answer to that question is maybe. In the case of the most simple example, a 3-output equalizer, you’re simply inserting a device between your receiver and external amplifier. The goal of the equalizer is to offer fine control over bass and higher frequencies beyond what a single bass control could do. If you’ve only 3 speakers, this shouldn’t prove difficult.

But, in the more advanced example of a surround sound system or six-output digital car equalizer, you should consider the costs of expert installation. This is especially true if there is a risk of damaging equipment or voiding a warranty. Risks aside, these points, inputs, outputs, and simplicity of installation, are the basics you have to survive your quest for a new digital car equalizer.