4x Polk Audio DB521 5.25" Car Audio Speakers

4x Polk Audio DB521 5.25" Car Audio Speakers

Polk Audio

  • $ 129.98

Only 4 left!

  • Model: DB521 db-series
  • 4 x Car Audio 5.25 inch 2-way Speakers 
  • Marine Certified
  • RMS Power Handling:  90 watts per pair / 45 watts each
  • PEAK Power Handling: 275 watts per pair / 135 watts each
  • Frequency response: 60-22,000 Hz
  • Impedance: 4-ohms
  • Sensitivity: 93 dB
  • Dynamic Balance polymer/mica composite mineral filled cone is stiff yet lightweight for big sound and little distortion
  • 19mm liquid-cooled silk/polymer composite dome tweeter with neodymium magnet for clear and detailed highs
  • 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
  • Top mount depth: 2-5/16"
  • Bottom mount depth: 2-7/16"
  • Cutout Dimensions: 4-11/16"