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Polk Audio DB5251
Polk Audio

Polk Audio DB5251

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BRAND: Polk Audio SKU: DB-5251 PRODUCT ID: 1358951710762 SHIPPING WEIGHT: 6.0 lb




  • Description
  • Reviews


  • 5-1/4 Inch db Series (Marine Certified) 2-way Component System
  • Power Handling:
    • Peak: 500 watts per set / 250 watts each side
    • RMS: 200 watts per set / 100 watts each side
  • Impedance: 4 ohms
  • Dynamic Balance polymer/mica composite mineral filled cone is stiff yet lightweight for big sound, little distortion
  • 25mm liquid-cooled silk/polymer composite dome tweeter with neodymium magnet for clear, detailed highs
  • 12 dB / octave Butterworth outboard crossover for fiddle-free perfect sound
  • Flush & surface mount swivel cups allow placement flexibility and soundstage optimization
  • Low-mass 2-Layer 25mm Kapton voice coil former is lightweight for high sound output
  • Multi-hole mounting pattern and shallow depth for easy drop-in installations in most cars
  • ABS Grilles, computer optimized and based on exclusive MOMO designs
  • Durable butyl rubber surround won’t fall apart under the stress of extreme temperatures, sunlight or time
  • Pole Plate Heat Sink promotes better heat dissipation for superior power handling and reliability
  • Acoustically inert stamped steel basket
  • Flat Spider for faster, longer excursion linear motion
  • Flexible woven tinsel leads sewn directly into Spider for greater reliability
  • Electronic tweeter protection circuit protects your tweeters from accidental abuse
  • Vented crossover housing gives you a choice of hidden wire channels for easier, more professional-looking installs
  • Frequency Response: 53-23,000 Hz
  • Sensitivity: 93 dB


  • Series: db (Polk)
  • Priced Per: Pair
  • Speaker Size: 5-1/4 Inch
  • Design: 2-way Component System
  • Tweeter Design: Dome
  • Tweeter Composition: Silk-Polymer Composite
  • Woofer Composition: Polymer/Mica Composite
  • Woofer Surround: Rubber
  • Peak Power Handling: 250 watts
  • RMS Power Handling: 100 watts
  • Sensitivity: 93 dB
  • Frequency Response: 53 - 23,000 Hz
  • Impedance (Per Voice Coil): 4 ohms
  • Shallow Mount Installation: No
  • Top-Mount Depth: 2-5/16 Inch
  • Bottom-Mount Depth: 2-7/16 Inch
  • Speaker Grilles: Yes

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