Best 7 Polk Audio Car Speakers Review – Listen The Smooth Music

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 crucial features to advance benefits and most importantly, cons, we tried to cover it all in our Polk audio car speakers review.

I am sure, and 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 no cost a fortune with the help of companies like Polk.

Though we picked best 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.

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

Product Name





Polk DB 6501

continuous: 100 Watts

peak: 300 Watts

Polk DB 651

peak:180 Watts

RMS:60 watts

Polk DB 651s



Polk DB 522

Peak: 300 Watts

RMS: 100 Watts

1. Polk Audio DB6501- Marine Certified Car Speakers

Polk Audio DB6501 6.5 Inch, 2-way component system, is the most popular and best-selling car speakers. 

It can provide high quality 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 can find Great placement flexibility with surface and flush mount swivel cups. That's why we put it first on our list.

General Features at a Glance:

  • The DB6501 speaker is marine certified and built tough to withstand the harshest 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 these 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 a comfortable fit maximum import like BMW, VWs, Audis and European imports.
  • The 2nd-order Butterworth outboard crossover uses in this Polk audio car speakers. It makes it easier and more professional-looking installs.

The Drawback on DB6501

The sound quality is excellent, 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 gives one-year parts & labour warranty.


The DB6501 Polk speakers are Looking impressive 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 a 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

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 have 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 a stylish touch in your car's interior which is perfect for adult
  • High-Efficiency Design took less power for audio output and delivered 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 is an excellent speaker is in the Polk audio Db651. Some unique quality also has in it that is natural and lifelike sound. Many people called it as best sounding car speakers but not suitable 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 as 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 particular feature that is a long-lasting performance in a long time.

General Features at a Glance

  • DB651s has Durable butyl rubber surround features. It stands up to the stress of extreme temperatures for the features.
  • It is equipped with a dynamic balance polymer composite dome tweeter which ensures big sound and quick response anytime.
  • These are high-efficiency speakers so that it can deliver maximum output in less power.
  • High pass and low pass crossover filters and multi-hole mounting pattern are included in these 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 large 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 bright but not deliver big bass; just average bass is available in it. You will get accurate performance in a long time. These speakers have a super easy installation system that makes it better than others.

4. Polk Audio DB522- Budget Friendly Polk Audio Car Speakers

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

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.
  • This speaker comes with 4 ohms impedance and frequency response 60-22,000 Hz that is good enough.
  • 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 little maximum 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 loudspeakers. 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 colour (silver) make this speaker's most popular one.

5. Polk Audio DB1001- Marine certified speaker

Polk Audio DB1001 delivers outstanding 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 colour gives superior looks and perfect for an adult. DB1001 is also marine certified, so they are perfect for use in boats of all types.

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 unique feature that is Equipped with a neodymium magnet for clear, detailed highs

Drawback On The DB1001

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


Are you like black colour if yes, then it’s only for you. You should think about the colour 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 low prices. The Polk Audio DB351 is also budget-friendly and long-lasting one. These Polk audio speakers’ works well in OEM factory systems as well as with high-powered aftermarket head units. All of the DB series has beautiful features, and it also has.

General Features at a Glance

  • These speakers have a 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 excellent 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 look 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 excellent sound and better performance than another brand at the same prices. I think you should think again about it and took the decision also has some better option for you above.

7. Polk Audio DB691- 6x9 Inch Component Speakers

The Polk audio Db691 is 6x9 Inch 3-way silver colour component Speakers as it is DB series speakers so that you will get all of the features like as marine certified, tasty sounding, long-lasting with accurate performance and super easy installation system. But it has little lack which is not expected.

General Features at a Glance

  • Polk engineer designed it such as Flat Spider, and Flexible woven tinsel leads sewn for more extended excursion linear motion and more excellent reliability.
  • You can easily install it in your car with Multi-hole pattern without wasting time.
  • Exclusive MOMO designs and silver colour give it superior looks which are perfect for an adult.
  • It has ABS Grilles, optimized computer option so you can optimize as you want.
  • These Polk audio speakers built 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 a few months.


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

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 fit for your car or not. So we keep more option for you. Our other speakers also excellent and we assure that just we took best one in our 7 Polk audio car speakers review. Now it’s time for you, Enjoy audio from new speakers