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Polk db525 vs Polk Audio db521

 
Polk db525
DISCONTINUED 
$49.99
  • Polymer/mica composite woofer with rubber surround
  • silk/polymer composite dome tweeter
  • 4-45 watts RMS power range
Add to Cart
Polk Audio db521
In Stock 
$99.99
  • Polymer/mica composite woofer with butyl rubber surround
  • 3/4" pivoting liquid-cooled silk/polymer composite dome tweeter
  • power range: 4-45 watts RMS (135 watts peak power)
Add to Cart

Product Features

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Condition New StockNew Stock
General Polk db525Polk Audio db521
Design
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2-way2-way
Tweeter Design
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3/4" Dome3/4" Dome
Tweeter Composition
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Silk/Polymer compositeSilk/Polymer composite
Woofer Composition
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Polymer/Mica compositePolymer/Mica composite
Woofer Surround
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Butyl rubberButyl rubber
Parts Warranty
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1 Year1 Year
Labor Warranty
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1 Year1 Year
Specifications Polk db525Polk Audio db521
Sensitivity
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93 dB at 1 watt
93 dB at 1 watt
Frequency Response
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60 - 22k Hz60 - 22k Hz
RMS Power Range (Watts)
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4-454-45
Peak Power Handling (Watts)
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135135
Impedance (Ohms)
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44
Top-mount Depth (Inches)
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2 5/162 5/16
Bottom-mount Depth (Inches)
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N/AN/A
Cutout Diameter or Length (inches)
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4 3/44 3/4
  Owner's ManualOwner's Manual
 Hands-on ResearchHands-on Research
 
Polk db525
DISCONTINUED 
$49.99
Add to Cart
Polk Audio db521
In Stock 
$99.99
Add to Cart

Car Speakers Installation VideoThis brief video will introduce you to the basics of do-it-yourself car speaker installation.

Charting the Decline of Factory SpeakersFactory speakers usually sound fine when they're new, but they deteriorate over time. We compared speakers of different ages to see how badly they fared.