FREE LIFETIME SUPPORT FREE SHIPPING
Home » Car Audio, Video & GPS » Car Audio » Car Speakers » 5-1/4" Speakers » Polk Audio db525
Previous page Polk Audio db525: main picture thumbnail Polk Audio db525: alternate picture thumbnail Polk Audio db525: alternate picture thumbnail Polk Audio db525: alternate picture thumbnail Polk Audio db525: alternate picture thumbnail Next page

Polk Audio db525 5-1/4" 2-way Speakers

db Series (Marine Certified) (db 525)

—

No customer reviews yet. Be the first!

The product on this page is discontinued, but there is a newer model available:
Newer Model: Polk Audio db521
Polk Audio db521 thumbnail
$64.95 In Stock

Will this fit my car?

Select Vehicle >

Why Shop Sonic?

Enter to Win Exclusive VIP Access to the BET Event Weekend!

Customer Testimonial

Excellent prices and fast shipping. I really appreciate the business with Sonic Electronix. They are amazing, I would do business again in the future.

- Victor K from Lancaster, CA

See more…
  • 5-1/4" 2-way Coaxial Speakers (Marine Certified)
  • Power Handling:
    • 45 watts RMS
    • 135 watts Max
  • Lightweight Dynamic Balance Polymer/Mica Composite Mineral Filled Cone
  • Marine Certified, perfect for use in marine vessels
  • 3/4" Liquid-Cooled Silk/Polymer composite Dome Tweeter
  • High Pass and Low Pass Crossover Filters
  • Low-mass 2-Layer 25mm Kapton Voice Coil former
  • Multi-Hole Mounting Pattern
  • Shallow Depth
  • Muscular ABS Grilles (Based on MOMO Designs)
  • Durable Butyl Rubber Surround
  • Pole Plate Heat Sink
  • Flat Spider for faster, longer excursion linear motion
  • Flexible Woven Leads sewn directly into Spider for greater reliability
  • Polarized Nickel Plated Terminals on PCB terminal board
  • Stamped Steel Basket finished in rustproof Gun Metal Gray
  • Frequency Response: 60 - 22,000 Hz
  • Sensitivity: 93 dB
  • 4 ohm Impedance
  • 1-year SonicElectronix.com warranty

Product History:

Polk Audio db521 thumbnail
(newest, current model)
Polk Audio db525 thumbnail
(previous model, replaced by Polk Audio db521)
Speaker Specifications
Speaker Size 5-1/4"
Design 2-way
Tweeter Design Dome
Tweeter Composition Silk-Polymer Composite
Woofer Composition Polymer/Mica Composite
Woofer Surround Butyl Rubber
Peak Power Handling 135 watts
RMS Power Handling 45 watts
Sensitivity 93 dB
Frequency Response 60 - 22000 Hz
Impedance (Per Voice Coil) 4 ohms
Top-Mount Depth 2-5/8"
Bottom-Mount Depth 2-1/2"
Cutout Dimensions 4-13/20 x 4-13/20 
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 1 year
Labor Warranty Duration 1 year
Warranty Provider Sonic Electronix
Nobody has rated this product yet.
Share your thoughts with others:
Write a Review
Speaker Wire
Upgrade your factory speaker wire to aftermarket speaker wire and hear the difference! Using thicker gauges, newer technology, and higher quality materials, aftermarket speaker wire is key to upgrading the sound in your car.
  Product Price Add?
20 ft. of 16 AWG KICKER X-Series Speaker Wire 20 ft. of 16 AWG KICKER X-Series Speaker Wire
Get high quality sound from Kicker's twisted-pair, true to gauge speaker wire. 		$16.95
50 ft. of 14 AWG StreetWires Speaker Cable 50 ft. of 14 AWG StreetWires Speaker Cable
Streetwires Super Cable provides a zero-grip insulation for a smooth install as well as true gauge twisted wire construction. 		$39.99
Sound Dampening Material
Get optimal sound from your new speakers with some high quality sound dampening material. It will keep the road noise out and the music inside the car.
  Product Price Add?
NVX SDSK2 Speaker Kit NVX SDSK2 Speaker Kit
Eliminates speaker panel distortion and reduces vibration, rattles, and squeaks! 		$14.99
NVX SDRLR1 Sound Dampening Rubber Roller NVX SDRLR1 Sound Dampening Rubber Roller
Install your Sound Dampening with ease! This heavy duty rubber roller is designed specifically to install your NVX products! 		$8.95
Speaker Baffles, Spacers, and Depth Extenders
Mount your speakers in the location that you need with these speaker spacers, extenders, and adapters.
  Product Price Add?
Speaker Baffles for your Speakers Speaker Baffles for your Speakers
Enhance the sound of your speakers with these easy to install speaker baffles. 		$9.99
3/4" Depth Extender for 5-1/4" Speakers 3/4" Depth Extender for 5-1/4" Speakers
Add 3/4" of extra space when installing your speakers. 		$8.99
Installation, Tools & Accessories
Get all of the tools and accessories to install your new speakers like a professional, or take your car to an expert and have them installed by redeeming professional installation cards.
  Product Price Add?
Car Stereo and Speaker Installation Tool Kit Car Stereo and Speaker Installation Tool Kit
Includes Test Light, Crimp/Splice Tool, Multi-bit Screwdriver and more. 		$14.99
Door Panel & Upholstery Remover Tool Door Panel & Upholstery Remover Tool
The ideal tool for removing your car's door panels to replace you speakers! 		$11.99
Universal Window Handle Remover Tool Universal Window Handle Remover Tool
Designed to easily remove the manual window handles without breaking any interior pieces. 		$11.99
Universal Wire Puller & Grabber Universal Wire Puller & Grabber
Running wires has never been easier! This wire puller allows you to run wires through those hard to reach places! 		$8.99
22-18 AWG Butt Connectors 22-18 AWG Butt Connectors
These red butt connectors are perfect for connecting the speaker wire when replacing your factory speakers! 		$4.99
16-14 AWG Butt Connectors 16-14 AWG Butt Connectors
These blue butt connectors are ideal when connecting thicker speaker wire your new aftermarket speakers! 		$4.99
Tone Generators and Sound Testing Equipment
Optimize your new system's sound quality by testing and calibrating all of your components with these items.
  Product Price Add?
Scosche SPL Meter Scosche SPL Meter
Monitor the noise level of your new car audio system with this SPL meter measuring from 60-135 dB. 		$24.99
AutoSound 2000 CD-101 AutoSound 2000 CD-101
Low frequency test CD 		$12.99
AutoSound 2000 CD-102 AutoSound 2000 CD-102
High frequency test CD specifically designed for the set-up and evaluation of sound system imaging and placement. 		$12.99
AutoSound 2000 CD-103 AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components. 		$12.99

Product Summary

Manufacturer: Polk Audio
Model number: db525
Weight: 5.50 lbs
Internal SKU: db525
Internal product ID: 9159