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Polk Audio

Polk Audio DB572 DB+ Series 5" x 7" Coaxial Speaker for Car & Marine, 2-Way Boat & Car Audio Speaker, 35-22kHz Frequency Response, Polypropylene Woofer Cone & 3/4" Silk Dome Tweeter, Easy Installation

  • Based on 292 reviews
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Availability: In Stock.
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Arrives Tuesday, Jul 29
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Features

  • STELLAR SPEAKER FOR CAR & MARINE - The Polk DB572 2-Way Coaxial Marine Certified Speaker with 225W peak power, 4-ohm impedance, 5"x7" polypropylene woofer cone that can also be used in 6x8 application, 3/4" silk dome tweeter & a strong rubber surround
  • ELEVATE YOUR CAR AUDIO SYSTEM - With a built-in crossover, the music speaker directs highs & lows to the respective drivers, delivering loud bass. It handles up to 75W RMS & boasts a 35-22kHz frequency response, resulting in a high-quality car sound system
  • RESONANCE-FREE SOUND CREATION - With Dynamic Balance, a Polk Audio proprietary technology, this marine/car speaker uses laser imaging to identify the best combination of speaker materials and ensures a distortion-free response with wide sound dispersion
  • SPLASH-PROOF SOUND SYSTEM - Polk DB+ series speakers give thunderous sonic output in freshwater boats, motorcycles, ATVs, and others, as they have IP56 marine certification with coated steel baskets. They are even tested for Salt-fog, UV & Humidity
  • EASY TO INSTALL - Polk provides mounting hardware and stylishly designed grilles that not only enable easy installation but also add a touch of flair to the vehicle's interior, making it an ideal choice for custom installations

Description

Polk Audio DB572 5" x 7" 2-Way Coaxial Speaker for Car & Marine. The Polk Audio DB572 2-Way Speaker features a 5" x 7" polypropylene woofer cone that can also be used in 6" x 8" application, and a 3/4" silk dome tweeter with a built-in crossover, that delivers smooth and precise sound. The speakers' Dynamic Balance technology uses laser imaging to reduce resonance. This DB+ Series speaker is versatile, with mounting hardware included. The grilles (sold separately) add a touch of style to your vehicle's interior, making them a good choice for those who want to customize their installation. Polk Audio tests the DB+ marine speakers rigorously for environmental effects like sun, moisture, and extreme temperature changes. As a result, they're even certified for marine applications, making them a great choice for your boat. Polk Audio's DB+ Series subwoofers are a great value, delivering smooth, powerful bass. So, if you want to upgrade your sound system without breaking the bank, the DB+ series speakers are an excellent option. Polk's advanced technology and engineering bring out the best in class audio with powerful speaker series, smart speakers, and soundbars, allowing you to sit back, relax and listen with your heart.

Brand: Polk Audio


Speaker Maximum Output Power: 225 Watts


Frequency Response: 22 KHz


Connectivity Technology: Coaxial


Audio Output Mode: Surround


Mounting Type: Boat Mount,Coaxial,Top Mount


Material: Polypropylene


Model Name: DB57


Speaker Type: Coaxial


Special Feature: Waterproof


Compatible Devices: car


Subwoofer Diameter: 5 Inches


Unit Count: 1.0 Count


Surround Sound Channel Configuration: 2.0


Color: Black


Included Components: Literature, Speaker


Product Dimensions: 13.3"D x 23.2"W x 10.4"H


Item Weight: 4 Pounds


Impedance: 4 Ohm


Is Waterproof: True


Warranty Type: Limited


Number of Items: 2


Control Method: Remote


Speaker Size: 7 Inches


Power Source: Corded Electric


Woofer Diameter: 5 Inches


Tweeter Diameter: 0.75 Inches


Customer Package Type: Standard Packaging


Audio Driver Type: Dynamic Driver


Audio Driver Size: 5 Inches


Subwoofer Connectivity Technology: Wired


Connectivity Protocol: Coaxial


Includes MP3 player?: No


Number Of Circuits: 2


Number of Power Levels: 1


UPC: 747192127282


Style: Marine Certified


Global Trade Identification Number: 82


Manufacturer: Polk Audio


Item Weight: 4 pounds


Item model number: AA9572


Is Discontinued By Manufacturer: No


Date First Available: May 24, 2016


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Jul 29

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Great Speakers
Style: Marine Certified
Upgraded my speakers in a 2014 F150 both front and back. These sound 200 percent better than the cheap 25 watt Ford factory speakers that come with the truck. I kept the original radio and had no problems.
Reviewed in the United States on March 14, 2025 by Bubby
    • Speakers
Style: Marine Certified
Delivered quickly. Amazing sound. Greatly made and really cheap. Did have to modify them a little to fit my speaker lids but not hard to do. Love them.
Reviewed in the United States on August 28, 2024 by Dustin Higgins
    • Better than the rest...
Style: Marine Certified
Replaced Boss speakers in my hot rod that could not handle any base. Installed these and sound great with no issues. A few dollars more go a long way. The do not come with grilles, so be prepared...
Reviewed in the United States on May 26, 2024 by Rick S.
    • Good saddle bag install
Style: Marine Certified
Review Image by Skintag Skintag
Review Image by Skintag Skintag
Put these in my hard leather saddle bags. Equalizer brings out decent bass and the sound is clear. You can’t get great out of saddle bags, but it’s pretty good. I covered with stainless steel plates that I got from Amazon, wrapped the edge with door edge guard. Very pleased.
Reviewed in the United States on July 20, 2022 by Skintag Skintag
    • The sound great
Style: Marine Certified
Speakers work great
Reviewed in the United States on August 13, 2024 by Josue ordaz
    • Fits perfectly in my 2013 F-150 XLT Supercab
Style: Marine Certified
Doing research I found that my truck required 6x8 speakers, but found out that the 5x7 speakers should also be able to accommodate the same mounting holes. There isn't a ton of boom to the bass, but it's way better than the blown speakers that I had before :D I would highly suggest getting a wiring harness for the Ford F-150 trucks as it made installation a breeze. I purchased these for my truck: https://www.amazon.com/dp/B001OAB6BW ... show more
Reviewed in the United States on August 9, 2024 by Aaron
    • Cross your fingers
Style: Marine Certified
They don’t have much bass but I have a crossover at 300 so wouldn’t know. The highs are good. Time will tell if they hold up. UPDATE well less than 3 months one snap crackled and popped dead so for the price you get 1 speaker
Reviewed in the United States on December 2, 2020 by Julieth
    • Replacing older model polks
Style: Marine Certified
I blew an older model Polk speaker. I bought this pair and they are working great. Sound awesome. They bolted right up as a direct replacement. I recommend buying the pigtails to not cut your factory harness.
Reviewed in the United States on January 16, 2024 by Matt

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