The Sound System in Your Car

sound system car audio

The sound system in your car is an integral part of the overall driving experience. It helps you navigate traffic, hear audio from radio and satellite services, and connect handsfree devices such as your phone.

The system consists of three main components: the head unit, amplifier, and speakers. In order to get the best sound, the system must all work together.


The speakers in your sound system are the devices that actually produce the sound. They can be coaxial (single) or component (dual). The type of speaker you choose will make a huge difference to the sound quality of your car audio.

Often considered to be the most important part of any vehicle’s audio system, speakers are responsible for bringing all of the sounds from your music to life. Choosing the right speakers for your particular needs can mean the difference between a system that is able to rattle your insides or one that is crystal clear at extreme volumes.

A great place to start when it comes to finding the perfect speakers is with a little research. Look at some specifications such as power handling, sensitivity and frequency range to determine which speakers are the best fit for your vehicle.

Power handling is the amount of power a speaker can handle continuously without overloading or overheating. It can be measured in both peak and RMS, and is a good indication of how much power the speakers are able to process at once.

Sensitivity is a measure of how well a speaker can reproduce sound with the amount of power provided by the stereo or amplifier. High sensitivity speakers need less power than low sensitivity speakers, so you will want to match your stereo or amplifier with speakers that have a sensitivity rating of 90 dB or higher.

You should also consider the size of the speaker. Bigger speakers are better at producing volume and sounding more even at different volumes. They also tend to be more durable and will provide greater protection from the elements.

You should also consider whether the speakers you are considering are component or full range speakers. Component speakers are usually more expensive than full range, but they typically offer superior sound imaging and often produce better quality of sound in general. They use an external passive crossover to direct highs to the tweeters and lows to the woofers.


A car audio amplifier is an important part of a sound system. It is often overlooked, but it is the most critical component to getting great sound in your vehicle.

Most cars that come with basic car audio systems have a small amp inside their radio, but these aren’t powerful enough to drive a higher quality speaker. Adding new speakers to your system will require a high-quality amp to boost the signal and increase its volume.

Amplifiers can be found in a number of different types and brands, each engineered to meet a certain type of application. The right amplifier can improve the volume of music, add detail to your songs, and help lower distortion when your speakers get a little louder than they should be.

Typically, there are two main types of car audio amplifiers. The first is a 12 volt power amplifier that powers the speakers in your vehicle with battery power from your car’s electric system. The other type is a 24 volt model that works on your truck’s electrical system.

The most common car amplifier is a two-channel unit that will power a pair of speakers or a subwoofer. Some car amplifiers are bridged together to create a single more powerful channel for a higher output level and a stronger signal.

In general, you want to find an amplifier with a rated power rating that matches the wattage of your speakers. This will make sure you get the best performance out of your speakers and prevent them from becoming damaged or overheating.

Some amplifiers also feature a built-in crossover, which separates the frequencies between your speakers. This is especially important if you are planning on installing a subwoofer in your system.

Many amplifiers are also available with an adjustable input level, which lets you tweak the amount of signal that goes into the amplifier from your head unit to reduce or increase distortion. These are features that can be incredibly helpful when selecting an amplifier for your car audio system.


A subwoofer is a speaker that is designed to reproduce lower frequencies, which are below 200 hertz. This helps to amplify the bass in music and movies. This is a great way to improve the sound quality in your car and make it more enjoyable to listen to.

A good subwoofer can give your music a new level of depth and power, and it is a very important part of any sound system. It can make a huge difference in your sound, especially if you like bass-heavy genres of music such as rock, EDM and hip-hop.

There are many different types of subwoofers on the market, so it can be difficult to decide which one is right for your needs. The first thing you need to do is decide whether you want a passive or amplified subwoofer.

You should also consider the type of enclosure that you will use for your subwoofer. Enclosures are important because they help to reduce air leaks that can affect the performance of your subwoofer.

Another factor to consider when purchasing a subwoofer is its power rating and impedance. This will ensure that it is compatible with your amplifiers and your speakers. It is also important to find a good quality subwoofer that will last for a long time and will improve the sound in your car.

The best subwoofers will be those that are made from high-quality materials and come with a good warranty. This will help to ensure that you get the best possible sound and that your investment will be worth it.

If you are not sure what kind of subwoofer will be best for your car, it is always a good idea to consult a professional before making any purchases. They will be able to help you choose the right type of subwoofer for your car and can provide you with advice about where to install it.

The best subwoofers are those that are powered by an external amplifier and can produce a wide range of sound. They are usually made from a heavy and durable construction, and can provide you with great bass sounds.

Head Unit

An automotive head unit, sometimes called an in-dash stereo or infotainment system, is the central control component of a car’s audio and information systems. It includes screens and buttons for numerous integrated information and entertainment functions, including navigation, a hands-free phone system, and music playback from a variety of sources.

Ahead units are a common feature in new vehicles, although they’re also available as retrofits for older models. A modern head unit typically includes a touch screen interface, making it easy to navigate the menus and find features you want quickly.

The touchscreen on a head unit is usually controlled using a knob or remote control, but many high-end head units also have voice commands for the driver. Ahead units are also designed to make it easy for drivers to set the volume and turn on/off the radio.

Most head units have a preamp and power amplifier, which boost the signal to create stronger audio. The power output from these amplifiers is usually rated 14 to 55 watts, depending on the model.

Some head units are equipped with built-in Bluetooth, which lets the driver wirelessly send music files from a compatible mobile device to the audio system. However, Bluetooth isn’t always reliable.

Several head units are also nav-capable, which means they have a GPS receiver built into them. This makes them easy to install and can save the driver money by not having to purchase a separate GPS unit.

Another popular feature of a head unit is the ability to connect USB devices, such as iPods or flash drives, to the system. These devices can then be used to play MP3 music files stored on the device.

It’s also important to choose a head unit that has a good sound quality and a range of frequencies, which is commonly known as a “linear” system. A linear system has plenty of lows, mids and highs to give you an accurate picture of the music’s instruments and vocals.

In addition to playing CDs, head units can also control remotely mounted CD changers. Some also allow the driver to play DVD videos on a separate video screen in the rear seat. This is a popular option for anyone who wants to entertain others while they’re on the road.