What Does A Car Amplifier Do?

As a music-loving person who spends so much time behind the wheel, a car amplifier is a necessity. It brings out every fine detail of the music, making it an enjoyable session.

The amplifier is among the most sought-after devices in this sector in every self-respecting audio system. Even the most uninitiated on the subject has heard of it. But are you sure you know what does a car amplifier do?

Read along to know.

What Is A Car Amplifier: What Does A Car Amplifier Do?

When approaching the amplifier industry, the first question to ask is, what do we need them for? This point, which may seem trivial, is important because there are different types of amplifiers. They may be suitable for implementing the car system or the Home Cinema system you have at home.

Therefore, we assume that the amplifier is none other than that device capable of amplifying a signal. This, in simple terms, means that, through its use, it is possible to increase the audio signal.

The audio signal sent from the source will be transmitted to the speakers. It is a powerful tool that gives the possibility to take the sound reproduction to other levels if used in the correct way.

It may seem like a no-brainer, but the best car amplifier helps amplify electrical signals from a car’s subwoofers and speakers. The sole purpose is to get high volume and high sound quality.

Why Buy A Car Amplifier?

If a car already has a built-in amplifier, why would you have to buy a new one?

If you have asked yourself this question, the answer is here.

You need a new one because of the low power and average quality that the cars’ default sound systems have. Another reason is that a good amplifier allows you to reach very high volumes without distortion. And it gives enough power to the subwoofers.

There are also cases in which the car comes without an integrated amplifier. So an external amplifier becomes even more necessary to have a good time and enjoy good music or even the radio.

What to Consider Before Buying a Car Amplifier?

You may also need to replace a damaged built-in amplifier or just to add features like an EQ or more channels. You may also be a music lover and want to add subwoofers to your car.

For this, you will need a powerful amplifier. Of course, all of this can also give you exceptional sound quality.

1. Channels

Amplifiers are usually classified according to the number of channels they support. Thus, you can find them with 1 channel, 4 channels, 5 or even more.

Basically, single-channel ones are for adding a single speaker or a subwoofer, for example—the 2 channel for two speakers and so on.

It is vital that you know how many channels is the amplifier you want to buy to know the possibilities it will offer you.

2. Power

Power is measured in watts and refers to the output power it provides. It can be measured in RMS watts, and the most common amps are typically around 500 watts RMS.

The smaller ones can be as little as 100 watts. You can always tie together 2 low power channels to power a single component.

How to Use Your Amplifier?

The perfect indicator of the ideal setting to use your car amplifier is undeniably your ear. Try different levels of settings with different genres of music. Let yourself be guided by the listening comfort. Do This until you reach the best fit. Here are some basic settings, however.

No need to push the volume of the car radio to its extreme, a 2/3 positioning will allow perfect adjustment. Then act on the potentiometer until all the distortions are eliminated.

Then go to the filter settings; if you are using subwoofers, cut the bass if necessary. Make the ideal adjustment of the frequency equalizer.

We repeat, trust your listening pleasure during handling, and you will enjoy your amp in the appropriate settings.


An amplifier is a very useful piece of equipment for enhancing and improving audio reproduction. Thanks to the numerous models on the market, you can choose the one that best suits your needs.

In addition, this variety also allows you to compare products and choose through the best price/quality ratio. This means you don’t have to spend a fortune to enjoy high performance.

So, what does a car amplifier do, actually? Small and compact, or larger and with different functions: no matter what the model is, the amplifier always remains on the sound systems’ podium.