Polk Audio DB522 Specifications

The Polk Audio DB522 features:

• 5.25-inch coaxial speaker design
• 2-way speaker configuration
• Marine-certified construction
• 4-ohm impedance
• 100 Watts RMS power handling
• Built-in crossover network
• Dynamic Balance technology
• Polypropylene woofer cone
• 3/4-inch silk dome tweeter

Frequency Response:

• 55 Hz – 22 kHz

Ideal for:

• Cars
• Trucks
• SUVs
• Jeeps
• Boats
• UTVs
• Off-road vehicles

Polk Audio DB522 5-1/4″ 2-Way Coaxial Speaker for Car & Marine. These car speakers feature a polypropylene woofer cone and 3/4″ silk dome tweeter with built-in crossover, delivering smooth, precise sound for audiophile car owners on road trips.

Marine Certified Durability

One of the biggest advantages of the DB522:

• Marine certification

These speakers are engineered to resist:

• Moisture
• UV damage
• Salt exposure
• Temperature extremes

Making them ideal for:

• Boats
• Jeeps with removable tops
• Off-road vehicles
• Daily drivers in harsh climates

Because Mother Nature doesn’t care how expensive your speakers were.

Premium Sound Quality

The DB522 is engineered to deliver:

• Clear vocals
• Detailed instruments
• Strong midrange response
• Smooth highs

Whether you’re listening to:

• Rock
• Country
• Hip-Hop
• EDM
• Podcasts
• Audiobooks

The result is a more balanced and immersive listening experience than most factory speakers can provide.

Dynamic Balance technology uses laser imaging to reduce resonance, giving wide response and low distortion. Mounting hardware and bold grilles let users focused on car audio customize any installation.

Dynamic Balance Technology

Polk’s proprietary:

Dynamic Balance Technology

Uses advanced engineering and laser imaging techniques to optimize:

• Cone materials
• Driver design
• Resonance control

Benefits include:

• Reduced distortion
• Wider sound dispersion
• More accurate audio reproduction
• Cleaner overall sound

Because the best speaker upgrades are the ones you notice every time you hit play.

These speakers for boat are rigorously tested against sun, moisture, and extreme temperatures and are certified for marine use, so they double as a reliable marine speaker, and likewise serve as a super car audio system. Polk Audio’s DB+ Series car subwoofers pair easily, offering value-focused, powerful bass that complements this set.

Polypropylene Woofer Construction

The DB522 utilizes:

• Polypropylene woofer cones

Benefits include:

• Moisture resistance
• Improved durability
• Accurate frequency reproduction
• Long-term reliability

Unlike traditional paper speakers that can degrade over time.

Particularly after years of exposure to moisture and temperature swings.

SPEAKER FOR CAR & MARINE – The Polk Coaxial Marine Certified Speaker with peak power, 4-ohm impedance, and a 5-1/4″ polypropylene woofer cone is built to reproduce high quality music for a car audio system or boat speakers applications

Silk Dome Tweeter Performance

The integrated:

• 3/4-inch silk dome tweeter

Provides:

• Smooth treble response
• Improved vocal detail
• Better instrument separation
• Reduced listening fatigue

Without becoming harsh or overly bright.

Because no one wants tweeters that sound like they’re angry at the music.

ELEVATE YOUR CAR AUDIO SYSTEM – Door speakers with built-in crossover direct highs & lows to drivers, delivering loud bass; deal with 100W RMS & boast 55-22kHz response for high quality car sound system

Built-In Crossover Design

The integrated crossover helps properly direct:

Low Frequencies

• Woofer

High Frequencies

• Tweeter

Resulting in:

• Better clarity
• Cleaner transitions
• Improved overall balance

Compared to basic factory speaker designs.

RESONANCE-FREE SOUND – With Dynamic Balance, a Polk Audio proprietary technology, these marine/car speakers use laser imaging to identify the most productive combination of speaker materials and make sure a distortion-free response with wide sound dispersion

100-Watt RMS Capability

Power handling includes:

Continuous Power

• 100 Watts RMS

This allows the DB522 to perform exceptionally well with:

• Factory stereos
• Aftermarket head units
• Amplified systems

Giving owners flexibility for future upgrades.

Because audio projects rarely stop at “just speakers.”

SPLASH-PROOF SOUND SYSTEM – Polk DB+ series speakers give thunderous sonic output in freshwater boats, motorcycles, ATVs, and others, as they have got IP56 marine certification with coated steel baskets, even tested for salt-fog, UV & humidity

Easy Installation

The DB522 is designed for:

• OEM replacement applications
• Aftermarket upgrades
• Marine installations

Most installations require:

• Basic hand tools
• Vehicle-specific adapters if needed
• Standard speaker wiring

Estimated installation time:

• 1–2 hours

Depending on application.

Perfect Applications

The Polk DB522 is ideal for:

• Jeep Wrangler builds
• Boat audio systems
• Daily-driver upgrades
• Truck sound systems
• Off-road vehicles
• Classic car restorations

Especially for enthusiasts seeking:

• Durability
• Better sound quality
• Reliable performance

In all weather conditions.

EASY TO INSTALL – Polk car door speakers provide mounting hardware and stylishly designed grilles that not only enable easy installation but in addition add a touch of flair to the vehicle’s interior, making it a super choice for custom installations

Why Choose Polk Audio?

Polk Audio has earned a reputation for producing:

• High-quality speakers
• Excellent sound staging
• Durable construction
• Strong value

The DB Series remains one of the most respected speaker lines for enthusiasts seeking both performance and longevity.

Final Verdict

The Polk Audio DB522 is one of the most versatile 5.25-inch speaker upgrades available today, offering premium sound quality, marine-certified durability, and easy installation.

Key Benefits

• Marine certified construction
• 100W RMS power handling
• Dynamic Balance technology
• Polypropylene woofer cone
• Silk dome tweeter
• Excellent sound quality and durability

Most importantly, these speakers sound great whether you’re cruising down the highway or floating across a lake.