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Polk Audio 5"x7" Coaxial Speaker with Marine Certification
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.

What's in the box:
5"x7" Coaxial Speakers
Specifications:
Type: 5" x 7" coaxial
Tweeter Complement: 0.75"
Peak Power Handling: 225 W
Continuous Power Handling: 75 W
Nominal Impedance (ohm): 4
Frequency Response (Hz): 35Hz-22kHz
Sensitivity (dB): 92
Full-Range Mounting Depth - Top Mount: 2.24"
Full-Range Mounting Depth - Bottom Mount: 2.76"

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