Proper Guide to Car Speaker Sizes: Which One to Pick?

Shopping online for car speakers requires that you gather as much information as possible on the available offers. You may not have a chance to listen to every speaker, but this shouldn’t prevent you from choosing the best car speaker.

Understanding speaker specifications is crucial, though at Speaker Champion we know that tech talk may not be your favorite cup of coffee especially when you need to fix your deteriorating car stereo system quickly. That’s why our car audio equipment reviews and buying guides are made super-easy to understand for everyone.

Size is considered as one of the 8 things you should consider before buying a car speaker. Yet, so many people get it wrong or find it hard to choose the perfect car speaker size.

Since it’s our mandate to keep you well informed on car audio equipment for better decision making, we’ve written this article to address all matters related to car speaker sizes. It is a 5-minute read; a proper guide on how to choose the right car speaker size that will prove very useful in your search for the best speakers for your car.

What car speaker size means: Do you just check the manufacturer’s measurements?

When we review the speakers we feature here, we use a variety of information sources to ensure that the measurements we give are accurate.

Why not just check the information provided by the manufacturer?

Well, as you will see shortly below, the size measurements indicated on the speaker are related to the diagonal measurement of the frame as well as hole alignment. The measurements are, therefore, not only about the diameter of the cone or of the cutout diameter.

The actual size of the car speaker depends on a manufacturer’s design. For instance, Rockford Fosgate P1694 may not be exactly equal to Pioneer TS-A6996R even though both are 6X9 speakers.

The measurements are close to 6” but not exactly 6”. This leads us to the importance of taking an actual measurement of the speaker to be absolutely sure that it will fit in your vehicle (more on this in a while).

Exploring Car Speaker Sizes

You have checked, measured, asked and did everything to know the speakers in your car. Now it’s time to choose from the wide variety of speakers the market offers.

Let’s look at the most popular speaker categories and what they offer. We hope that by listing all of them here, you will be in a better position to mark the category that best matches your requirements.

4X6 Speakers

The decision to install a 4X6 car speaker often comes with a lot of thought but it’s a smart one. You need a small, not-so-expensive speaker that you can install in the dash to add some good bass to your tunes – these perfectly fit the bill.

Since the woofer cone’s size limits bass production, it’s quite tricky to find a 4X6 speaker that gives a strong bass.

If you want to increase the chances of getting a strong bass response, ensure the speaker you choose has stiff cone material. You can also couple these with a subwoofer to cater for the low-frequency ends or add an external amp to boost the speakers’ sound performance.

As a general rule with car stereo equipment, make sure to match the RMS and impedance of your 4X6’s with all other equipment they are sharing connections.

5.25 Speakers

These are small-sized speakers usually found in the back doors, or sometimes in the back dash of cars. They can play a wide range of sounds and this makes them perfect for supporting bigger speakers.

Apart from the back locations, an ambitious DIYer can install 5.25s in almost any location because they are small and thus don’t face many space challenges.

Often, 5.25-inch speakers come with factory stereos. But as you know, factory speakers hardly meet your expectations of quality, performance and durability.

You need an all-round 5.25 that will boost stereo performance and return a good value for your dollar.

Our list of the best 5.25 car speakers 2019 presents the finest pieces on the market. They will allow you to turn up the music volume and diminish distortion. Upgrade your stereo with the best 5.25 car speaker and start enjoying the true sound of your jams.

5X7 Car Speakers

The 5 X 7 size is the immediate bigger brother of 5.25s. They are only slightly bigger so they handle the same range of sound but use a little more power.

Most 5 by 7 speakers can fit many vehicle models. For installation purposes, they come with specific ports (which is a good and bad thing). Good because they are fairly easy to install and bad because without the proper adaptation they cannot be installed on some vehicle models.

Are you longing for louder, clearer and fuller sound? 5 by 7 car speakers will quench your thirst for high-quality music. They are good at bringing the best out of your favorite tunes, and they handle more power and distort less than smaller speakers. Adding these speakers will give your stereo a decent sonic upgrade and make your listening experience more thrilling.

You will find whatever quality you are looking for in this type of speakers – more powerful sound, quality build, high power handling capacity, or attractive look. Search for the best 5X7 car speakers 2019 and compare different offers to see which best meets your needs and expectations

6X8 Car Speakers

6 X 8s are mostly installed at the front car door. This all-rounder category amazes most users because of the stellar features and incredible performance the speakers portray. A good example is Kenwood KFC-C6895PS or New Rockford Fosgate P1683 which have been featured in many 2019’s best 6 X 8 car speaker reviews.

You cannot regret adding aftermarket 6 X 8 car speakers to your stereo system especially if you are looking to experience more depth and clarity of sound in your music. These speakers also add a significant punch into the music. If you are a bass lover, choosing one of the best 6×8 car speakers 2019 seems like a smart, low cost decision.

6.5 Car Speakers

These are the favorite speaker size for many users who want to upgrade their factory system with speakers that can play high and low frequencies with equal prowess. The best 6.5 car speakers offer sound that is clearer, more precise and punchier than the smaller speakers presented above.

When listening to music in your car, we often find ourselves turning up the volume especially when playing the tunes we love. While enjoying loud music on factory speakers, the speakers are more likely to get distorted or begin tearing up. That’s why you need speakers that can produce distortion-free sound even when volume is increased.

Shop for the best 6.5 car speakers to replace your factory speakers. You can be sure to enjoy stronger bass and more clarity. These speakers are designed with stiff but lightweight cones for more efficient response and harder kicks. They also exhibit higher power handling capacities which enables them to drive more power through the system for production of louder sound.

6X9 Car Speakers

Why should I upgrade my car stereo with 6 X 9 speakers?

Many sound enthusiasts choose 6X9s because they perform well across all frequencies in the sound spectrum. That is why this size is termed as the all-in-one speaker solution. They come with an assurance of deep, punchy bass and handle higher frequencies excellently. Most modern models also come with an inbuilt tweeter that further increases the speakers’ ability to produce more precise sound.

Should you be building a customized stereo, these speakers are a great time and cost saver.

6X9 speakers rank slightly lower than woofers and subwoofers in bass production so you get an idea of their bass delivery. If you need great sound without having to install subwoofers, 6X9s are your best pick. They are not as big, but you have to make enough room for themprobably at the back dash. See which models are making drivers crazy with sound awesomeness here.

The above six categories are the basic run-of-the-mill concerning car speaker sizes. They give you nicely balanced sound with a great deal of bass in a sub-woofer free environment.

But you have certainly come across tweeters, woofers and subwoofers. You’ve also encountered the terms component and coaxial speakers.

Is there anything about their size that you should know?

Yes. There are size considerations you have to make when choosing tweeters, woofers and subs and comparing coaxial vs components speakers especially when building a custom audio system.

Let’s start with tweeters – the small sound babies that add clarity and airiness to your tunes.

Tweeters are tiny totters that fall within the 1-inch to 3-inch speaker size range. So, they are speakers too if you didn’t know. They provide amazing support to big speakers by producing high frequencies (above 6000Hz) and complement the bigger boys without stealing the show. Tweeters can be installed in many locations but are more commonly placed in the door trim, ceiling, and sides.

The size of tweeters you choose must be compatible with your speakers in important matters such as power handling.

Full-Range/Coaxial Car Speakers vs. Component Speaker Systems

Coaxial Speakers

Coaxial speakers combine two or more speakers/drivers in a single enclosure. If it has 2 drivers, it is a 2-way coaxial speaker. 3-way coaxial speakers comprise of 3 drivers and a powerful example is New Kicker DS693.

On the other hand, component speakers come with separate drivers. You can install the speaker in one location, the tweeter in a different location and the woofer or subwoofer in yet another location. Component speakers are a great option when building a custom audio system because they allow you to fix every driver where you want for the best listening experience.

So, what is it about size that should concern you?

Coaxials are usually compact and therefore generally smaller than components. If mounting space is one of the challenges you are facing, then going for a smaller speaker makes much sense.

If you want to know more about these two speaker types, read our article on Coaxial vs Component Speakers: Which One to Choose?

Woofers and Subwoofers

Most users love bass. Now, if you are the kind of listener who loves cars with speakers that literally make the car bounce up and down when music is turned up, woofers and subs are exactly what you need.

These are the biggest speakers you’ll find in a car (anything larger than 8 inches in diameter) and are designed to produce the lowest frequency sound a human ear can take. As expected, the bigger the speaker the bigger the bass.

So, if you aren’t satisfied with the kind of bass 6X9 speakers give then there’s no other way around getting more bass but to install a sub. You would want to look at some of the best subs here. Get one of these in the trunk or rear area of your car and it will completely transform the way you listen to your music.

Woofers and subs demand quite a lot of space so your car has to be prepared for that.

Which Car Speaker Size is Right for You?

You are just about to give your car a fresh breed of sound with the best fitting speakers. As promised, we go with you all the way. Here are a few pointers we thought you would find useful. They are more or less conclusions for what you’ve been reading for the last four and a half minutes.

  • Check what’s already in the car. If you have, say, 6 X 8 speakers, you won’t go wrong choosing a new pair of the same size. But…
  • You can install a different size with a few adjustments. There are professional car speaker installers who create bigger holes and customize the available space to accommodate the speaker size you want.
  • If you are in need of bass and are also basing your decision on the available trunk space, you have to consider the maximum box size for the speaker you choose. Again, a professional installer can offer great help in deciding how big the box should be and by extension the appropriate size of speaker.
  • Small speakers are a better choice for high frequencies and fast changes in frequencies and volumes. Larger speakers are more efficient at producing low frequencies.
  • DON’T FORGET that a poorly made speaker will produce poor sound regardless of its size. So, pay attention to the speaker’s structure and the materials that have been used to make it.

“The better car speaker size” or “The better car Subwoofer size” is subjective to a person’s preferences and the sweet spot is different for everyone. Whatever speaker size you choose depends on your goals and we hope this guide helped you to choose a speaker that meets those goals. 

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