Polk Audio DB5251

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Polk Audio DB5251

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A single unit 2-way component speaker system
Equipped with a 5.25-inch polymer/mica composite cone with rubber surround
Maximum input power: 250 watts

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Last updated on June 1, 2023 6:23 pm


The Polk Audio db5251 5.25″ 2-Way Component System with External Crossover brings you superior looks and sound at a price that makes high performance affordable to everyone. This system includes a 5.25″ polymer/mica composite mineral filled cone that is stiff yet lightweight, bringing you big sound with little distortion. A 25mm liquid-cooled silk-polymer composite dome tweeter with neodymium magnet creates clear, detailed highs. Its flush and surface mount swivel cups give you increased placement flexibility and soundstage optimization. The 2nd-order Butterworth Outboard Crossover provides fiddle-free high-quality sound. Additionally, the vented crossover housing gives you a choice of hidden wire channels for easier, more professional-looking installs. A multi-hole mounting pattern makes for easy drop-in installations in practically any car on the road. Polk db Series speakers are built tough to withstand the harshest environments, so they are perfect for use in boats of all types. The db Series delivers classic Polk Audio performance and durability like never before.

Key Features:

  • 5.25″ component speaker system includes two 5-1/4″ woofers, 2 tweeters, and 2 crossovers
  • Dynamic Balance polymer/mica composite woofers with butyl rubber surrounds
  • Kapton voice coils
  • 1″ liquid-cooled silk/polymer composite dome tweeters
  • flush- and surface-mount swivel cups
  • Neodymium tweeter magnets
  • electronic tweeter protection circuits
  • 2-way external crossover network (12 dB/octave, 4,000 Hz high- and low-pass)
  • marine-certified for use in boats, convertibles, motorcycles, and ATVs
  • ABS wheel-design grilles
  • stainless steel mounting hardware
  • power range: 10-100 watts RMS (250 watts peak power)
  • frequency response: 53-23,000 Hz
  • sensitivity: 93 dB
  • top-mount depth: 2-5/16″

Additional information


Polk Audio

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