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Polk Audio > 
Item#: 9SIA1CZ0D11202

Polk Audio db571 5" x 7" 160 Watts Peak Power 2-Way Coaxial Loudspeaker

  • Polymer/Mica Composite cone
  • 1 - 0.75" Diameter Silk/Polymer composite dome
  • 52 Hz - 22 kHz
  • 4 Ohm Impedance
  • Sensitivity 93 dB
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Our new 2007 db Series is better than ever with superior looks and even better sound. And we've done all that at prices that make high performance affordable to everyone! The db Series works well in OEM factory systems, as well as with high-powered aftermarket head units and component power amps. The db Series delivers classic Polk Audio performance and durability like never before.

Learn more about the Polk Audio db571


Polk Audio
2-way Speaker
Speaker Size
5" x 7"


Woofer Material
Polymer/Mica Composite cone
Surround Material
Butyl Rubber Surround
1 - 0.75" Diameter Silk/Polymer composite dome


Peak Power
160 Watts
RMS Power
60 Watts
93 dB
Frequency Response
52 Hz - 22 kHz
4 Ohm
Mounting Depth
Top Mount: 2.19"
Bottom Mount: 2.63"


Dynamic Balance Polymer/Mica Composite Mineral Filled Cone is stiff yet lightweight for big sound, little distortion.

19mm Liquid-Cooled Silk/Polymer composite Dome Tweeter with Neodymium magnet for clear, detailed highs. (db690 Model features 25mm Tweeter & 19mm Super-Tweeter)

Low-mass 2-Layer 25mm Kapton Voice Coil former is lightweight for high sound output. Kapton's high melting temperature (725°F/400°C!) ensures high power handling and kick-butt reliability.

Durable Butyl Rubber Surround won't fall apart under the stress of extreme temperatures, sunlight or time, for years of the great Polk sound.

Pole Plate Heat Sink promotes better heat dissipation for superior power handling and reliability.

Flat Spider for faster, longer excursion linear motion.

Flexible Woven Leads sewn directly into Spider for greater reliability.

Rock solid, acoustically inert Stamped Steel Basket finished in rustproof Gun Metal Gray.

Stainless steel mounting hardware.
Package Contain
Pair of Speakers

Manufacturer Warranty

1 year limited
1 year limited

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 90 days

Customer Reviews of the Polk Audio db571

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  • Stuart L.
  • 7/23/2010 8:54:21 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsAWESOME speakers

Pros: Bought two sets of these. Hooked up to a Sony CDX-GT24W 52x4 receiver via stock mounting locations in a 1999 Mustang GT. These things scream! Mids and highs are flawless. They can handle literally everything thrown at them by the receiver itself; the only distortion comes from the very upper end of the receiver amp. They can handle a LOT of power, just be sure to filter out the lows.

Cons: The low end. These are only 5x7 speakers, and I do have to admit that for their size the bass output is respectable indeed. That being said, the lows have to be filtered down at high volume in order to avoid distortion. This isn't a big deal - the low output of these speakers is still lightyears better than stock.

Other Thoughts: Amazing speakers. Very loud, crisp, and clean.

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Item#: 9SIA1CZ0D11202
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