Best 7 Polk Audio Car Speakers Review | Speaker Area

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Are You Looking for a Polk audio speaker for your car? If yes, you are in the right place. We wrote this best 7 Polk audio car speakers review just for you. From key features to advance benefits and most importantly, cons, we tried to cover it all in our polk audio car speakers review.

I am sure, you are going to love it.

Let me ask you this. Are you ready to make sure that your car speaker gets better sound? I am sure, you are positive. The good news is that it will not cost a fortune with the help of companies like Polk.

Though we picked 7 Polk audio car speakers in this review, you can pretty much go with any one of them you like. They are all good enough for most cases.

These are the 7 Polk Audio Speakers we covered: 

  1. Polk Audio DB6501 (Marine Certified Speaker)
  2. Polk Audio DB651 (The Best Sounding One)
  3. Polk Audio DB651S (Coaxial Car Speaker)
  4. Polk Audio DB521 (Budget Friendly Option)
  5. Polk Audio DB1001 (Placement Friendly Model)
  6. Polk Audi DB351 (Another Coaxial Speaker)
  7. Polk Audi DB691 (Comes with 6X9 Components)

Best Polk Audio Car Speakers Review (Our Top 7 Picks in Market)

1. Polk Audio DB6501– Marine Certified Car Speakers

Polk audio DB6501 6.5 Inch 2-way component system is most popular and best-selling car speakers. It able to provide high quality and lifelike sound and powerful performance in a long time. Easily fit in 6-1/2 inch and 6-3/4 inch applications with adopter rings. The 25mm liquid-cooled silk/polymer composite dome tweeter provide clear, detailed high. You will find Great placement flexibility with surface and flush mount swivel cups. That’s why we put it first on our list.

Polk Audio Speakers Reviews DB6501

Polk Audio DB6501

Polk Audio DB6501 6.5-Inch 2-Way Component System

Polk's new db Series is better than ever with superior looks and even better sound--at prices that make high performance affordable to everyone.


General Features at a Glance:

  • The DB6501 speaker is marine certified and built tough to withstand the toughest environments. That’s why you should not worry about rain or water and it is perfect for use also in boats of all types.
  • It has 25mm liquid-cooled silk/polymer composite dome tweeter with neodymium magnet. You will get clear, detailed high natural sound.
  • The 6.5-inch woofers use in this polk speakers. which is stiff yet lightweight and provide lifelike sound with little distortion
  • Here is an adapter ring to fit both 6-1/2-inch and 6-3/4-inch applications. And these features ensuring an easy fit maximum import like as BMW, VWs, Audis and European imports.
  • The 2nd-order Butterworth outboard crossover uses in this polk audio car speakers. It makes easier and more professional-looking installs.

The Drawback on DB6501:

The sound quality is great but you should install in carefully, otherwise, it can be lost. Overall bass is high but has small lacking on the midbass and there are not a lot’s of cons. But don’t worry because the Polk Polk Audio give one-year parts & labor warranty.


The DB6501 polk speakers are Looking awesome and long lasting marine certified speakers. For this reasoned, we took it first in our 7 best polk audio car speakers reviews. One more plus point is one year warranty, so don’t worry. For more information about it, please go to Amazon and read real user opinion.

2. Polk Audio DB651– Best Sounding Car Speakers

Give new life to your audio with the polk audio DB651 best sounding car speakers. It’s a 6.5″/6.75″ 2-Way Marine Certified and long lasting product from polk brand. You will be surprised if you know its prices because DB651 is a very very budget friendly one. I am astonished at times, how to sell at such a low price. We took it 2nd on our list for some reason. Read Below…

Polk Audio DB651

Polk Audio DB651 Marine Certified db Series Car Speakers

Step up your vehicles audio performance with Polk Audio's revolutionary db651's. Cutting edge technology has allowed for an efficient speaker.


General Features at a Glance:

  • Polk engineer uses laser imaging for an ideal combination of speakers design and materials. This technology helps to play music high at volume without stain and smooth frequency response.
  • The BD651 has 6-1/2″ woofers which are made a polymer/mica composite and also has rubber surround features. That means you will get High heat tolerant speakers.
  • The built-in 2-way crossover and Liquid-cooled 3/4″ silk/polymer dome tweeters provide high and low frequencies flowing and more efficient audio.
  • These speaker designed by stainless steel mounting hardware and muscular ABS grilles. For that, it will add stylish touch in your car’s interior which is perfect for adult
  • High-Efficiency Design took less power for audio output and deliver better sound using less power.

The Drawback on DB651:

Although the BD651 is marine certified sometimes it shows negative results. So it will be better for not use in boat otherwise you can lose it. This is the only weak point in these speakers. Moreover, another quality is not bad and Good as a price.


Everything that is needed in a good speaker is in the Polk audio Db651.  Some special quality also has in it that is natural and lifelike sound. Many people called it as best sounding car speakers but not good for uses in the boat. Allover, these are medium high-quality car speakers in the polk audio brand. Read again carefully before purchase it.

3. Polk Audio DB651s– 6.5″ Coaxial Car Speakers

The polk audio DB651s is Slim-Mount 6.5″ Coaxial Speakers comes with slim mount design. Polk engineer uses cutting edge technology which helps accurately reproduce music like you have never heard before. For your kind information that all db series are marine certified, so it also marine certified car speakers. These speakers have One special feature that is a long-lasting performance in a long time.

Polk Audio DB651s

Polk Audio DB651s

Polk Audio DB651s– 6.5″ Coaxial Car Speakers

Polk Audio db651s Slim-Mount Coaxial Speakers comes with the new slim mount design with a short tweeter post .The polymer/mica composite mineral filled cone is stiff yet lightweight and brings big sound with little distortion.


General Features at a Glance:

  • DB651s has Durable butyl rubber surround features. It stands up to the stress of extreme temperatures for the features.
  • Equipped with a dynamic balance polymer composite dome tweeter ensure big sound and quick response anytime.
  • These are high-efficiency speakers so it able to deliver maximum output in less power.
  • High pass and low pass crossover filters and multi-hole mounting pattern are included in this polk speakers.
  • The mica composite mineral-filled cone helps to deliver big but clear sound at any volume.

The Drawback on DB651s:

Some people like big bass but these speakers do not deliver very big bass. So it’s sad news for you if like big bass. But it has now more lacks without the small lacks o the bass. It is perfect who like average bass quality.


Step up your vehicles audio performance with DB651s 6.5″ coaxial car speakers. Sound qualities are clear but not deliver big bass; just average bass is available in it. You will get accurate performance in a long time. These speakers have super easy installation system that makes it better than others.

4. Polk Audio DB521– Budget Friendly Polk Audio Car Speakers

The Polk audio Db521 is 5.5-inch Coaxial silver color car Speakers. Some of the people like it first because it’s budget friendly with great performance. The price is low but not low the performance and also has good features. You will get lifelike and natural sound from it. The installation system is super easy, so should not worry about installation problems.

Polk Audio DB522

Polk Audio DB522

Polk Audio DB521 Budget Friendly Speakers

The high-efficiency loudspeaker means less power is necessary for the same quality output. The revamped db Series delivers that perfect Polk Audio performance and durability like never before.


General Features at a Glance:

  • Power handling capacity is 275 watts peak power per pair / 135 watts each and 90 watts RMS power per pair / 45 watts RMS each.
  • 4 ohms impedance and frequency response 60-22,000 Hz that is enough good.
  • These speakers are computer optimized and based on exclusive MOMO designs with ABS Grillers
  • Polk engineer uses low-mass 2 layers 25mm Kapton voice coil lightweight and high sound output.
  • It has polymer composite dome tweeter for big and clear sound with maximum little distortion.
  • The multi-hole mounting pattern allows to easy installations in most cars.

The Drawback on DB521:

It has small terrible in midbass response but very loud speakers. Sometime these speakers do not provide accurate sound and show negative result but not all times. The high is very loud, if you like to hear loud then you can think about it.


Many people want to a budget-friendly but good quality car speakers and the polk audio DB521 is a perfect choice for them. Great sound with little distortion, super easy installation, and stylish color (silver) make this speaker’s most popular one.

5. Polk Audio DB1001– Placement Flexible Speaker

Polk audio DB1001 delivers classic performance and durability like never before. It’s also very affordable than other polk audio speakers. If you not believe, please check it on Amazon. The black color gives superior looks and perfect for an adult. DB1001 is also marine certified so they are perfect for use in boats of all types.

Polk Audio DB1001- Placement Flexible Speaker

Polk Audio DB1001

Polk Audio DB1001 Placement Flexible Speaker

Polk Audio 1001 25mm Silk/Polymer Composite Dome Tweeters bring you superior looks and sound at a price that makes high performance affordable to everyone.


General Features at a Glance:

  • The Db1001 has flush and surface mount swivel cups for increased maximum placement flexibility and soundstage optimization.
  • It has An in-line 12db/octave passive crossover with electronic protection circuit. These features provide long-term reliability.
  • Polymer composite dome tweeter helps to brings you superior looks and clear sounds.
  • These speakers are marine certified and it built tough to withstand the harshest environments.
  • Another special feature that is Equipped with a neodymium magnet for clear, detailed highs

Drawback On The DB1001:

Color is only black and some of the people do not choose it for color. Without color, everything is perfect and has not more drawback on the BD1001 polk audio speakers. Bass is average at the price.


Are you like black color if yes, then it’s only for you. You should think about the color combination on your car and after if it matches then go to next steps. The polk ensure Maximum placement flexibility and soundstage optimization with affordable price. Also, has not more drawback in the DB1001 polk speakers.

6. Polk Audio DB351– 3.5-Inch Coaxial Speakers

Welcome to stylish and great sounding car speakers at cheap prices. The polk audio DB351 is also budget friendly and long-lasting one. These polk audio speakers’ works really well in OEM factory systems as well as with high-powered aftermarket head units. All of the DB series has beautiful features and it has also.

Polk Audio DB351- 3.5-Inch Coaxial Speakers

Polk Audio DB351

Polk Audio DB351 3.5-Inch Coaxial Speakers

Welcome to superior looks and even better sound at a price that makes high performance mobile audio affordable to everyone.


General Features at a Glance:

  • These speakers have Kapton voice coil and the Kapton’s high melting temperature (725°F/400°C! ensure maximum reliability and high power handling performance
  • Dynamic Balance polymer cone helps to deliver clear sound with little distortion.
  • DB351 provide you natural sound with polymer composite dome tweeter and it built neodymium magnet.
  • Flexible Woven Leads sewn to ensure great reliability and it designed by Stainless steel hardware.
  • A multi-hole mounting pattern allows easying installing in most of the cars.

The Drawback on DB351:

Bass blockers do not much pretty good and sometimes there show problems overall clarity. The DB351 Polk audio speakers do not fit 1994 Jeep Grand Cherokee.


If you want to cheap car speakers then you can think about this one. DB351 is a small car speaker who delivers good sound and better performance than another brand at the same prices. I think you should think again about it and took decision also has some better option for you above.

7. Polk Audio DB691– 6×9 Inch Component Speakers

The Polk audio Db691 is 6×9 Inch 3-way silver color component Speakers. As it is db series speakers so you will get all of the features like as marine certified, good sounding, long lasting with accurate performance and super easy installation system. But it has small lack which is not expected.

Polk Audio DB691- 6x9 Inch Component Speakers

Polk Audio DB691

Polk Audio DB691 6-by-9-Inch 3-Way Speakers

Being marine certified, the Polk db691's will surprise you with its versatility and ability for use in many applications.


General Features at a Glance:

  • Polk engineer designed it such as Flat Spider and Flexible woven tinsel leads sewn for longer excursion linear motion and greater reliability.
  • You can easily install it in your car with Multi-hole pattern without wasting time
  • Exclusive MOMO designs and silver color give it superior looks which are perfect for an adult.
  • It has ABS Grilles, computer optimized option so you can optimize as you want.
  • These polk audio speakers build by latest Cutting edge technology for accurately reproduce music.

The Drawback on DB691:

DB691 can’t handle bass at all. Sound always not pretty good and clear but maximum time deliver natural sound. Sometimes it shows negative result and damage in few month.


Some people want to stylish car speakers and that’s why we took it on our list. If the Silver color matches in your car then you can think about this one. The price also not high and performance not bad.

How We Wrote Best 7 Polk Audio Car Speakers Review:

Many of people are using polk audio car speakers and they share the experience with us. Also, we research on the internet which car speaker is the most popular and most of the people want to get it again. We took feedback from the Real users and car audio expert person. Here We discussed all good aspects and bad aspects, nothing has been hidden.

Final Verdict:

According to our research, car audio expert advice and opinion from real users we recommend the polk audio DB6501 for everyone. But we don’t know that it’s actually fit for your car or not So we keep more option for you. Our other speakers also good and we assure that just we took best one in our 7 polk audio car speakers review. Now it’s time to you, Enjoy audio from new speakers.

Our Highly Recommended

Polk's new db Series is better than ever with superior looks and even better sound--at prices that make high performance affordable to everyone.


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