Are Polk Audio Speakers Any Good? [Honest Review]

Polk Audio is an American corporation founded by Matthew Polk, George Klopfer and Sandy Gross in 1972 Baltimore, Maryland.

Polk Audio is best known for its home and car audio speaker products.

This range of products includes car amplifier systems.

During all its years, Polk Audio has strived to continuously be the best and to elevate the sound experience of all its customers.

Polk audio car speakers

Polk Audio is a corporation that understands that products are always evolving and that technology needs to be constantly updated.

The engineers constantly do research and develop innovative products that can’t be matched by Polk Audio’s competitors.

No matter what product you buy from Polk Audio, you will experience the benefits of these efforts to improve car audio technology.

Polk Audio Speakers Series.

  • MM1
  • DB+

The MM1 series stands for Mobile Monitor series. This is the next generation of speakers, designed and manufactured to chase perfection.

MM speakers serie review

The construction of this fine machinery was done so customers can enjoy:

  • Ultimate audio with exceptional sonic detail
  • Quality materials
  • Durable products

This series is engineered with advanced materials and mechanics to provide exceptionally high-performance sound while also having exceptional power-handling features.

These MM1 products are ultra-marine certified; this means they’re waterproof.

This feature is thanks to weep holes for proper drainage and titanium-plated cones that afford durable protection.

Polk Audio Speakers Reviews

1. Polk Audio MM6502

These Marine-certified 6.5 Inch car speakers are a fantastic upgrade for anything you'll need to put new speakers on (be it a car or a boat!)

Specifications:

  • Sensitivity: 93 dB
  • RMS: 125 Watts
  • Peak Power: 375 Watts
  • Frequency Response: 35-40,000 Hz
  • 2way/3way/4way: 2-way Component

This speaker is made to provide a sonic sound for its users.

EDITOR'S RATING:

Polk Audio MM6502 review

Not only do these speakers handle power well, but it’s constructed from the finest materials which makes it durable to last you a lifetime.

These includes:

A basket made from fiberglass

Inner and outer surrounds protect the unit, insulating it against temperature spikes and improving the speaker’s ability to produce quality sound

Grilles keep the speakers from being damaged, especially when installed within range of people moving around in a car

Exceptional technology is used in the design of the speaker.

The woofer cone is designed to allow for an intense distribution of bass tones.

The woofer also provides a surround sound feel, because of the way this component distributes the music.

You’ll have almost no distortion, thanks to the excellent technology used during its production.This product includes woofers, tweeters and crossovers.

This is everything you need to create the ultimate sound experience in your car. At 2.62” the mounting depth is of average proportions.

Make sure your available space allows for this before you start installation; if you don’t have the available space, you may have to look at customizing your vehicle.

Pros

Cons

2. Polk Audio DB6501

Once this speaker is installed, you will experience exceptional clarity and balanced sound.

There is an advanced range of sounds ranging from as low as 35 Hz. All these sounds are produced in high quality.

This type of speaker provides a great improvement from factory speakers.

The best is that you can customize the sound settings to fit the type of setup you prefer.

Specifications:

  • Sensitivity: 92 dB
  • RMS: 100 watts
  • Peak Power: 300 watts
  • Frequency Response: 35-23,000 Hz
  • 2way/3way/4way: 2-Way 

EDITOR'S RATING:

Polk Audio DB6501 review

Unfortunately, this speaker doesn’t handle power as the brand advertises. You can take a chance and connect it to amplifiers, but you do run a risk of blowing the speaker.

This speaker set includes woofers, tweeters, speakers and crossovers.

You need to find space to install all these components.

It’s problematic to neatly install separate crossovers, though Polk Audio tries to assist in this regard by offering vented crossover housings.

Pros

Cons

3. Polk Audio DB351

There is a huge sound improvement once you change your factory speakers for these. These speakers work well with the stock stereo and it receives a sufficient amount of power from it.

These are 3.5 Inch speakers which will fit nicely in most dashboards.

There is precision in the vocal sound coming from these speakers, making it pleasing to hear.

Specifications:

  • Sensitivity: 91 dB
  • RMS: 35 Watts
  • Peak Power: 105 Watts
  • Frequency Response: 90-22,000 Hz
  • 2way/3way/4way:  2-Way

Over time, once these speakers have gone through the break-in phase where you customize the settings, you can experience them at their optimum potential.

EDITOR'S RATING:

Polk Audio DB351 review

The speaker itself is of compact size, making it fit well in the speaker socket.

However, the tweeters are positioned too high; they create a bulge when the cover and grille is on, and this can cause damage or distortion.

In addition, the magnet attached to the speaker is very large, and this makes it difficult to fit into many standard speaker sockets.

Pros

Cons

4. Polk Audio DB691

What you would find truly impressive with regards to these speakers, is that it can be installed on a motor bike and the sound quality is still as terrific as if it were installed in a vehicle.

This speaker handles supplied power well, without causing distortion. If you hook them up to an amplifier, they will reach their optimum potential.

These are 6 by 9 inch speakers which is the biggest size Polk Audio manufactures on their automotive branch.

Specifications:

  • Sensitivity: 93 dB
  • RMS: 100 Watts
  • Peak Power: 300 Watts
  • Frequency Response: 35-22,000 Hz
  • 2way/3way/4way: 3-way

The units are also mostly waterproof; you can still enjoy their functionality after long periods of using them in wet conditions.

EDITOR'S RATING:

Polk Audio DB691 review

However, take note that the installation hardware isn’t very strong. Handle it with care so it doesn’t break during installation.

You also need to use additional material to keep the speaker in place after installation because the cones are thin and therefore don’t fit snugly into the speaker sockets.

This design also prevents bass tones from being correctly distributed.

Pros

Cons

Final Thoughts

You’ll love using Polk Audio speakers in your vehicles and if you have a boat, this is the brand you need to turn to.

Polk Audio has been around long enough to prove that it can provide all the sound market expects.

With many trusting supporters—and maybe you joining their ranks—they will be around for a long time to come.

Try their state-of-the-art units to upgrade your car’s sound today.

Alex Meyer
 

Alex Meyer is a 26-year-old Certified Automotive Technician with over 10 years experience as a mechanic and car audio installer. He shares his knowledge at Gear4wheels.com

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