Polk Audio DB522 Marine Certified 5.25" Coaxial Speakers
Polk Audio DB522 Marine Certified 5.25" Coaxial Speakers
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Polk Audio

Polk Audio DB522 Marine Certified 5.25" Coaxial Speakers

|13 ratings

Key item features

  • Enhanced Audio: These DB+ Series 5.25-inch coaxial speakers are designed as an audio upgrade, providing signature quality sound for various setups.
  • Certified Marine: Featuring marine certification with an IP55 rating, the speakers are engineered to resist water and dirt. They have undergone testing for salt-fog, UV exposure, and humidity to ensure long-term durability in challenging conditions.
  • Durable Construction: The speakers incorporate a polypropylene and UV-tolerant cone for resilience. Waterproof inner and outer surrounds contribute to a flush, seamless aesthetic and further protection.
  • Performance Power: Delivering a substantial 300 watts of maximum power and 100 watts of RMS power, these speakers operate efficiently with a 4-ohm impedance.
  • Coaxial Design: With a 5.25-inch form factor, these marine-certified coaxial speakers feature a 0.75-inch tweeter, designed for universal fit in compatible systems.
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Specs

Brand, Polk AudioCar speaker size class, 5.25"Rms power rating, 100 WPeak audio power handling, 200 WFeatures, Universal FitRec. use, Car Audio

About this item

Product details

300 watts max power; 100 watts RMS powerImpedance: 4 ohmMarine certifiedUniversal fitTweeter size: 0.75 inches

Polk Audio DB522 Marine Certified 5.25" Coaxial Speakers

  • DB+ Series 5.25” Coaxial Speakers designed for high performance audio upgrade
  • Delivers signature quality sound that surpasses OEM factory systems
  • Marine certified with IP55 rating, ensuring waterand dirt-resistance
  • Tested for salt-fog, UV exposure, and humidity for durability
  • Features a polypropylene and UV tolerant cone
  • Waterproof inner and outer surrounds provide a flush, seamless look
info:
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Specifications

Brand

Polk Audio

Car speaker size class

5.25"

Rms power rating

100 W

Peak audio power handling

200 W

Warranty

Warranty information

Y

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Warnings

Customer ratings & reviews

5 out of 5 stars
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13 ratings9 reviews
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Showing 1-3 of 9 reviews

Sep 10, 2026
Reviewer name: DOUG
Sold and shipped byCreative Audio
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

I replaced my boat speakers with cheap speakers. Big mistake! Returned them and bought these Polk Audio speakers. Couldn't be happier!

Incentivized Review
Helpful?7IST9BMFC6H451663941
Aug 1, 2026
Reviewer name: Walmart customer
Sold and shipped byCreative Audio
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Excellent in my convertible, very loud without distortion. Perfect

Incentivized Review
Helpful?7IST9BMFC6H451663941
Jun 25, 2026
Reviewer name: Tyler
Sold and shipped byCreative Audio
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Polk is the best!

Incentivized Review
Helpful?7IST9BMFC6H451663941
Current price is $79.99
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Arrives by Tue, Nov 17
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Sold and shipped by Creative AudioPro Seller
4.505813953488372 out of 5 stars
4.5 stars out of 5, based on 344 seller reviews(4.5)
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Shipping, arrives by Tue, Nov 17 to Columbus, 43215
Sold and shipped by Sonic Electronix
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