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Polk Audio DB572 DB+ Series 5”X7” Marine Coaxial Speakers

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  • 2-Way Speaker 100 Watt RMS 300 Watts Peak
  • Marine Certified - Water and Dirt Resistant
  • 85% Fit Rate - ALSO FITS 6"X8"

Polk Audio DB572 DB+ Series 5”X7” Marine Coaxial Speakers

Everything you love about Polk’s Dynamic Balance technology — that rich, clean, full-range sound—is built into the marine-tough, yet ruggedly sophisticated, DB Plus series. And with its universal fit, it can be installed in any vehicle: automobiles, motorcycles, boats, ATVs—you name it.


High Performance Upgrade
Upgrade from your OEM speaker system toward a bigger, fuller, high-performance sound.

Marine Certified
Built to last for cars, boats and ATVs with an IP56 rating and tested for Salt-fog, UV & Humidity.

Universal Fit
Simple drop in installation for any vehicle including cars, boats, ATV’s -- you name it.

Zero Tweeter Protrusion
A shallow tweeter design to ensure your factory speaker grille re-installs with ease for a flush, seamless look.

Dynamic Balance Technology
Patented process that guides material selection through rigorous testing that identifies and cancels out unwanted resonant frequencies.

Marine Certified

IP56 rating (water- and dirt-resistant)
Waterproof inner and outer surrounds keep the elements out
UV tolerant cones
Tested for salt-fog, UV and humidity


Type: 5" x 7" coaxial
Driver Enclosure Type: Marine Certified
Driver Complement (inches & mm): 5" x 7" - 127 mm x 177.8 mm
Tweeter Complement (inches & mm): 0.75" - 19 mm
Cutout Dimensions (inches & mm): 4.92" x 7.15" - 125 mm x 181.6 mm
Mounting Height (inches & mm): 0.51" - 12.95 mm
Mounting Depth: Top (inches & mm): 2.24" - 57 mm
Mounting Depth: Bottom (inches & mm): 2.76"
Peak Power Handling: 225 Watts
Continuous Power Handling:75 Watts
Nominal Impedance (ohm): 4
Frequency Response (Hz): 35Hz-22kHz
Grille Height: n/a
Sensitivity (dB): 92


Return Policy

30 Day No Hassle Returns

Installation Guarantee

Lifetime guarantee on installation


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More Information
Product Name Polk Audio DB572 DB+ Series 5”X7” Marine Coaxial Speakers
Manufacturer Polk
Manufacturer Sku AA9572-A
Manufacturer's Warranty 1 Year Manufacture's Warranty
UPC 747192127282
Speaker Size 5x7"
Design Coaxial
Tweeter Composition Silk
Woofer Composition Polypropylene
Woofer Surround Rubber
Sensitivity 92dB
Frequency Response 35 - 22k Hz
RMS Power Handling (watts) 51-75
Peak Power Handling (watts) 201-250
Impedance (Ohms) 4 Ohm
Crossover Internal
Cutout Diameter (in) 4 15/16" x 7 5/32"
Top-mount Depth (Inches) 2 1/4"
Water Resistant Yes