1 reviews

Polk Audio db5251

$200.00 Released March, 2007

Product Shot 1 The Pros:Easily installed on any vehicle. A vast improvement on earlier models. 250W of power.

The Polk Audio db5251 are a pair of 5.25” 2-way component car-audio loudspeakers cited as being a dramatic improvement in performance and capability over its predecessors. Whereas previous models in the Audio db series were limited to 135w to 150w power handling, the db5251 is capable of 250w, not to mention 53Hz-23kHz frequency response and 4 ohms nominal impedance.

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In addition, the db5251 sports a 1” liquid-cooled silk/polymer composite dome tweeter, muscular ABD Grilles, and a multi-hole mounting pattern that allows for simpler installation. In fact, Polk claims that the db5251 is so sophisticated in design that it can literally be dropped and screwed into practically any vehicle on the road. The Audio fb5251 also features an electronic tweeter protection circuit, a 2nd order Butterworth Outboard Crossover, and vented crossover housing that allows users to hide wire channels to promote a more professional look. Constructed out of dynamic balance polymer/mica composites and wrapped in butyl rubber, the Polk Audio db5251 is considered the most hi-tech, functional, and elegant car-audio speaker available on the market.


  • Mid/Woofer: 5-1/4" Diameter (13.34cm) Polymer/Mica composite
  • Tweeter: 1" Diameter (2.54cm) Silk/Polymer composite dome
  • Overall Frequency Response: 53Hz-23kHz
  • Nominal Impedance:4 ohms
  • Power Handling (continuous): 100w
  • Power Handling (peak): 250w
  • Efficiency: 93dB
  • Top Mount: 2-5/16" (5.87cm)
  • Bottom Mount: 2-7/16" (6.19cm)

User Reviews (1)

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  • 1

    easily installed on any vehicle

  • 1

    a vast improvement on earlier models

  • 1

    250W of power


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