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Polk Audio db5250

5-1/4" component speaker system
Certified for marine use

29 Reviews

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Item # 107DB5250

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Polk Audio DB 5252

(37)

$159.99

Overview

Our take on the Polk Audio db5250

Dreaming about better sound in your car audio system? Do you want lows that are full and definitive? Highs that resonate with clarity? Stop dreaming! Polk's db Series db5250 component system uses 5-1/4" Dynamic Balance polymer/mica woofers to produce full, rich lows that are free of detail-robbing distortion. Rubber surrounds, Kapton voice coil formers, and pole plate heat sinks protect the woofers against the stresses of heat and time.

Dreaming about better sound in your car audio system? Do you want lows that are full and definitive? Highs that resonate with clarity? Stop dreaming! Polk's db Series db5250 component system uses 5-1/4" Dynamic Balance polymer/mica woofers to produce full, rich lows that are free of detail-robbing distortion. Rubber surrounds, Kapton voice coil formers, and pole plate heat sinks protect the woofers against the stresses of heat and time.

The liquid-cooled silk/polymer composite tweeters can be mounted in either flush- or surface-mount cups to project detailed highs where you want to hear them. The 2-way crossover networks (4,000 Hz, 12 dB/octave) ensure smooth, well-balanced output, with built-in protection circuitry to guard your tweeters against accidental damage from high power.

Don't limit yourself to only using these speakers in your car — they've passed tough environmental testing that certifies them for marine use as well.

Product Highlights:

  • Dynamic Balance polymer/mica woofer with butyl rubber surround
  • certified for marine use
  • 1" liquid-cooled silk/polymer tweeter
  • 2-way crossover network (4,000 Hz, 12 dB/octave)
  • tweeter protection circuitry
  • frequency response: 53-25,000 Hz
  • recommended power range: 10-100 watts RMS
  • peak power handling: 200 watts
  • sensitivity: 89 dB
  • top-mount depth: 2-3/16"
  • warranty: 1 year
  • Our 60-day money-back guarantee

What's in the Box:

  • 2 Woofers
  • 2 Grilles
  • 2 Tweeters (each tweeter has attached 38" speaker leads)
  • 2 Crossovers
  • 2 Flush-mount cups
  • 2 Metal flush-mount clamps
  • 2 Surface-mount cups
  • Four 38" lengths of speaker wire (each length of wire has female quick-slides on one end and tinned wire on the other end)
  • 14 Self-tapping screws
  • 8 Speed clips
  • Owner's Manual
  • Online registration sheet

I bought these to replace the stock front door speakers in a 2008 F-150 Crew Cab. A definite improvement over the stock speakers, but I would recommend adding a sub woofer or two if you like bass like I do. They are being powered by an external Alpine amp and sound great.

Chris, Concord California

Reviews

Polk Audio db5250 Reviews

Average Customer Review(s):

(29 Reviews)
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Details

Hands-on research

Features and Specs

General
Speaker Size
Design 2-way
Tweeter Design 1" Dome
Impedance (Ohms) 4
Tweeter Composition Silk/Polymer composite
Woofer Composition Polymer/Mica composite
Woofer Surround Butyl rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Sensitivity (1W at 1 meter) 89
Sensitivity at 2.83 volts N/A
Frequency Response 53 - 25k Hz
Minimum RMS Wattage 10
Maximum RMS Wattage 100
Peak Power Handling (Watts) 200
Top-mount Depth (Inches) 2 3/16
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 4 3/4

Product Research

Woofers
Tweeters
Crossovers

Woofers

Dynamic Balance: Dynamic Balance is a proprietary Polk Audio technology using laser imaging to determine what combination of speaker materials create the least amount of resonance. Eliminating resonance in speakers results in a wide, smooth response and low distortion.

Marine Certified Woofer: Polk db Series speakers are built to withstand exposure to moisture and UV rays, so they work well in boats and cars.

Woofer Cones: Each speaker features a Dynamic Balance polymer/mica composite mineral-filled cone. The cones are stiff and lightweight for big sound and low distortion.

Butyl Rubber Surrounds: For a smoother response and improved durability, the woofers use butyl rubber surrounds.

Kapton Voice Coil Formers: The low-mass 2-Layer 1" Kapton Voice Coil formers are lightweight for high sound output. Kapton's high melting temperature ensures high power handling and excellent reliability.

Pole Plate Heat Sinks: The pole plate heat sinks promote better heat dissipation for superior power handling and reliability.

Tweeters

Silk/Polymer Composite Tweeters: The 1" liquid-cooled, silk/polymer composite tweeters provide clear, detailed highs.

Marine Certified Tweeters: Polk db Series speakers are built to withstand exposure to moisture and UV rays, so they work well in boats and cars.

Mounting: The supplied mounting cups allow you to surface- or flush-mount the tweeters. The tweeters swivel in the flush-mount housings, allowing you to adjust them for optimum imaging.

Tweeter Mounting Dimensions:

  Surface Mount Flush Mount
Mounting Height 1.006" 0.188"
Depth 0.919" (screw depth) 1.045"
Frame Diameter 1.988" 2.289"
Cutout Diameter   N/A 2.041"

Crossovers

2-Way Crossovers: Each crossover features a 12dB/octave, 4kHz high-pass network for the tweeter and a 12dB/octave, 4kHz low-pass network for the woofer.

Electronic Tweeter Protection Circuits: Each crossover has a built-in protection circuit that guards the tweeter against accidental damage from high power.

Crossover Connections: The crossover inputs and outputs are screw terminals.

Mounting: There are two mounting holes in the base of each crossover.

Crossover Dimensions: L=4.985", W=3.095", H=1.205"

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

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