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Crutchfield

Polk Audio db501

5" 2-way car speakers

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Our take on the Polk Audio db501

by Leigh Schoettinger
Polk Audio

Good music becomes great when you hear it through Polk's db Series car speakers. Polk engineers use laser imaging to determine the ideal combination of speaker materials and design to eliminate distortion. The resulting technology produces speakers with smooth frequency response, sharp detail, and the ability to play music at high volumes without strain.

Polk's db501 speakers are engineered to fit 5" openings, featuring 4" polymer/mica woofers with durable rubber surrounds that won't fall apart under stress from heat, moisture, or time. Liquid-cooled 3/4" silk/polymer dome tweeters use powerful Neodymium magnets to deliver precise high-frequency reproduction, enveloping you in bright musical detail. The built-in two-way crossovers keep the high and low frequencies flowing to the proper drivers for seamless, efficient audio.

 Whether you've got a factory radio or an aftermarket stereo, these efficient speakers will spice up your daily drive.

Highlights:

  • 5" 2-way car speakers (pair)
  • 4" Dynamic Balance polymer/mica composite woofer with butyl rubber surround
  • 3/4" liquid-cooled silk/polymer composite dome tweeter
  • Neodymium tweeter magnet
  • Kapton voice coil
  • built-in two-way crossover network
  • stainless steel mounting hardware
  • power range: 4-45 watts RMS (135 watts peak power)
  • frequency response: 65-22,000 Hz
  • sensitivity: 93 dB
  • top-mount depth: 1-7/8"
  • warranty: 1 year
  • Our 60-day money-back guarantee

Priced per pair

 

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
General
Design
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2-way
Tweeter Design
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3/4" Dome
Tweeter Composition
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Silk/Polymer composite
Woofer Composition
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Polymer/Mica composite
Woofer Surround
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Butyl rubber
Parts Warranty
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1 Year
Labor Warranty
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1 Year
Specifications
Sensitivity
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93 dB at 1 watt
Frequency Response
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65 - 22k Hz
RMS Power Range (Watts)
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4-45
Peak Power Handling (Watts)
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135
Impedance (Ohms)
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4
Top-mount Depth (Inches)
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1 7/8
Bottom-mount Depth (Inches)
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1 7/8
Cutout Diameter or Length (inches)
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4
Product Research
What's in the box?

Download owner's manual

  • Two 2-way speakers
  • 8 Self-tapping screws (length=1")
  • 8 Speed clips
  • Owner's Manual (Eng/Span/Fren/Ger/Ita/Port)
  • Online registration sheet

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features

Dynamic Balance: Dynamic Balance is a proprietary Polk Audio technology using laser imaging to determine what combination of speaker materials create the least amount of resonance. Eliminating resonance in speakers results in a wide, smooth response and low distortion.

Woofer Cones: Each speaker features a Dynamic Balance polymer/mica composite mineral-filled cone. The cones are stiff and lightweight for big sound and low distortion.

Butyl Rubber Surrounds: For a smoother response and improved durability, the woofers use butyl rubber surrounds.

Kapton Voice Coil Former: The low-mass Kapton Voice Coil former is lightweight for high sound output. Kapton's high melting temperature (725°F) ensures high power handling and longer reliability.

Silk/Polymer Composite Tweeters: The 3/4" liquid-cooled, silk/polymer composite tweeters provide clear, detailed highs. The tweeters use neodymium magnets.

2-way Crossover Network: The built-in 2-way crossover network sends the appropriate frequencies to each driver for cleaner sound and better imaging.

 

Product reviews from the Crutchfield Labs (what are the Labs?)

Video: Polk Audio db Car Speakers

Video: Polk Audio db Car Speakers

by Ken Nail, J.R. Stoffel
1/21/2009
 
Video: Polk Audio db Car Speakers

Learn about the features that make Polk Audio db series car speakers a popular choice for improved sound.

 
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Polk Audio db501 Reviews

Average Customer Review:

29 people say:

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5 out of 5

good value

Written By Anonymous, Richardson tx. on Sunday, February 09, 2014
Crutchfield Customer Review (What's this?)
 
Fit well in back doors of frontier. They are a huge improvement over factory. Nice fill speakers well worth the price. Highly recommended.
Pros:
Good value nice clean highs and mids.
Cons:
None
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5 out of 5

Pretty good for how small they are.

Written By ParkerH, Utah on Wednesday, January 15, 2014
Crutchfield Customer Review (What's this?)
 
I am thoroughly impressed by how powerful these speakers are. They have a very clean crisp sound. I replaced the old stock speakers from my '96 Toyota Corolla and these speakers are exponentially better. I know I was replacing almost 20 year old speakers, however I can now hear the music over the road noise of an almost 20 year old car. I am very impressed.
Pros:
Clean and crisp sound. Better all around speakers
Cons:
Everyone complains about there is no bass but what do you expect from a 5" speaker.
Was this review helpful?    Yes | No
 
5 out of 5

Polk Audio db501 - Perfect Fit and Sound

Written By Patrick A, Chesnee, SC on Monday, January 06, 2014
Crutchfield Customer Review (What's this?)
 
Easy install, great sound improvement all across the sound spectrum. Will have to install subwoofer for better bass definition, but I am satisfied for now. Speakers are exactly what I expected, they are awesome for the money.
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5 out of 5

Polk Audio db501

Written By Dennis, Placerville, CA on Wednesday, January 01, 2014
Crutchfield Customer Review (What's this?)
 
I needed to replace my factory speaker in a older car and the Polk Audio db501 speakers are a great replacement. They bolted into the facory locations without any modifications required. These little speakers sound great.
Pros:
Crutchfield said they would fit my application and the speakers sound great for their 5 inch size.
Cons:
Frequency response lacking on the low end. I will need to install a sub woofer.
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5 out of 5

Fantastic

Written By Deagle069, Jacksonville FL on Wednesday, January 01, 2014
Crutchfield Customer Review (What's this?)
 
Fantastic build quality, Great sound quality , Marine Certified Great upgrade from stock
Pros:
Fits pretty good on my 2012 Goldwing. Had to place washers on the screws because the speaker mounts don't extend as far as stock. Other than that couldn't be happier.
Cons:
none
1 out of 1 people found this helpful
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5 out of 5

Polk Audio db501

Written By Rick, Santa Rosa, Ca on Wednesday, October 16, 2013
Crutchfield Customer Review (What's this?)
 
Great sound from these little speakers. Perfect for the 92 Accord doors and required no modification.
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5 out of 5

Excellent speakers at a great price

Written By dsgerlach, louisa, va on Thursday, September 26, 2013
 
Perfect Upgrade To My Factory System. Wish I Would Have Bought Them Years ago
Pros:
Even Install, Great All Around Sound
Cons:
n/a
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4 out of 5

Really nice sound for the price

Written By A Guy With A Toyota, Santa Monica, CA on Saturday, September 14, 2013
Crutchfield Customer Review (What's this?)
 
After ordering, I worried that these wouldn't be enough for my Avalon, was thinking I should have ordered 6" speakers instead. But I installed these anyhow, and couldn't be happier. Great sound, with good bass response even without a subwoofer.
Pros:
Price, ease of installation with existing wiring
Cons:
The holes don't completely line up with existing holes from 1997 Avalon factory speakers. But still easy enough to install by drilling new holes.
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4 out of 5

Dangerously powerful speakers

Written By Drizzy Dre, Evanston on Saturday, June 22, 2013
Crutchfield Customer Review (What's this?)
 
These speakers pack quite a punch. my 300/4 channel amp from JL Audio may have poisoned my previous speakers with too much power(or they were outright defective), but for the size these little monsters deliver impecable sound quality and durability than can survive a reasonably powered system ( no 1000w amps here). combined with 5.25 inch rear deck speakers of the same brand, i get a beautiful field of sound with power balanced to clarity and succinct sound precision. to say the least these were a steal using the outlet store option with an incredible 40 bucks off the top.
Pros:
great loud sound , resilient performance, vibrant quality and clarity. THEY LEAVE VERY LITTLE TO BE DESIRED!!!
Cons:
tweeters tweet just a little too hard {noticeable high frequency knocks at sound levels that can damage your hearing anyway].
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5 out of 5

Polk Audio db501

Written By David, Heron Mt on Wednesday, May 29, 2013
Crutchfield Customer Review (What's this?)
 
Excellent speakers great bang for the buck
Pros:
Great volume very clear sound
Cons:
None
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5 out of 5

Polk DB501

Written By Rich B, Seymour Ct on Tuesday, April 23, 2013
 
Great sound, for what I paid can't beat it
Pros:
Wow what a sound
Cons:
none
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5 out of 5

Great!

Written By Keith, Raynham, MA on Wednesday, August 22, 2012
Crutchfield Customer Review (What's this?)
 
Great sound, great deal, flawless installation and support!
Pros:
easy installation, Great sound, Reasonable price
Cons:
none
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5 out of 5

Excellent sound and value

Written By Jerms, Kalamazoo, MI on Tuesday, May 01, 2012
Crutchfield Customer Review (What's this?)
 
Easily installed in my doors and excellent sound from these speakers!
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5 out of 5

2004 Nissan Frontier CC install...

Written By CrazyCarl, Northern VA on Thursday, April 26, 2012
Crutchfield Customer Review (What's this?)
 
Well made speakers that install easily on 2004 Frontier. Edge of screw holes need to be clipped but metal is soft enough standard nippers work great. Included wiring harness for t-shape connector makes rest of install easy.

Speakers are still breaking in but you know anything will be better than the stock foam surround with paper cones.
Pros:
Easy to install and sounds good.
Cons:
Little bit of customizing needed but nothing anyone with simple tools can't handle.
2 out of 3 people found this helpful
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5 out of 5

Good Choice

Written By CJ, Angola, NY on Thursday, March 29, 2012
Crutchfield Customer Review (What's this?)
 
Installed these in the back doors of my 03 Nissan Frontier and the sound was awesome! I am not using an amp to power them at all. I just have a double-din Pioneer stereo that I also installed myself. Chatted on the online chat with Jenny and she recommended this set plus the 6 1/2" for my front doors. Those sound great too! She also found that it was saving me $$ because when I bought this set the other ones came half off! So it fit my budget and truck just right!!
Pros:
Everything good and installation was easy!
Cons:
none
1 out of 2 people found this helpful
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5 out of 5

Polk does it again!

Written By Roadnuts, CT on Wednesday, January 18, 2012
Crutchfield Customer Review (What's this?)
 
I bought the Polk DB series speakers for my 93 Volvo 240 sedan. Unfortunately the stock size speakers are only 4" front and 5" rear. I did not expect much sound or volume from such a small package. After doing some light customizing to get them fitting properly, I fired them up powering them only with my new Kenwood X695 radio. Wow! I can't believe how much sound comes from these tiny speakers! I added an MTX powered sub while I was re-doing my stereo for some thump in the trunk. These speakers keep their clarity even at high volumes, and reallyperform wonderfully even with just the Kenwood receiver powering them.
Pros:
Great sound even with the small size. (I used 4" and 5" coax) Speakers have an excellent fit and finish. I even used the included grills for my front speakers.
Cons:
None!
2 out of 3 people found this helpful
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5 out of 5

Good looks, good fit

Written By Jon M, Big Lake, MN on Monday, May 02, 2011
Crutchfield Customer Review (What's this?)
 
Good, clear sound from these little guys. Installation was easy and with
Crutchfield's instructions, took no time at all. As these are pretty much the only 5"
model speaker, they are sometimes the only choice. Luckily, they are a great
speaker.
1 out of 1 people found this helpful
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4 out of 5

Polk 5" door speakers-Great Improvement!

Written By Elle, Whitley city, KY on Wednesday, April 13, 2011
Crutchfield Customer Review (What's this?)
 
I am very pleased with my recent speaker purchase. After wonderful customer
service over the phone, I took Tyler's recommendation and selected these.
They were as easy to install as he had said-with great instructions- and sound
sooo much better than my previous ones. I didn't replace the back ones only
because of the age and mileage of my car.
I'll definitely keep purchasing from Crutchfield for their expertise and value
pricing.
1 out of 1 people found this helpful
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4 out of 5

92 Toyota 4Runner - Yes, it does fit!

Written By BrianC, Dallas, TX on Wednesday, March 23, 2011
 
The "outfit my car" guide says the back panels in my old 4Runner require 5 1/4"
speakers, but when I tried to install them, they were too big and I found the
previous replacements were 4". I measured them and found the hole to be 5
inches!!! NOTE: This is when putting them in the original ported, amped, boxes
that are still in place. These work perfectly! I hope they correct the guide
for all those old 4Runners that are still on the road.

As far as the sound, they are limited on bass, but what do you expect from 5"
speakers. I have matching 4" up front and the sound is clean and accurate; just
as I'd hoped. I can always at a subwoofer later.
Was this review helpful?    Yes | No
 
5 out of 5

Great Little Speakers

Written By Rob, Tampa, FL. on Monday, March 07, 2011
Crutchfield Customer Review (What's this?)
 
Great sound from these speakers. Even using a 45 watt amp they hold their own. They
are what they are so don't look for tremendous bass - that's what subs are for. Beautiful
sound. Get these and you won't be disappointed.
1 out of 1 people found this helpful
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5 out of 5

great speakers

Written By gary, louisiana on Monday, October 18, 2010
Crutchfield Customer Review (What's this?)
 
these speakers sound very good.i was told by a professional installer he didn't want to
put any after market speakers in my car "too much work and mods" my son and i put
both sides in one hour.maby i'm in the wrong business .the only thing Marty told i did not
need any new speaker conn.well the Polk terminals are alot smaller than my oem
speakers.but i made them work other than that.i will buy another set for the rear.thanks
crutchfield.i've buying from you since the 1980's
1 out of 2 people found this helpful
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5 out of 5

Excellent fit, and quality

Written By JohnMc, Between Baltimore and Washington on Monday, June 07, 2010
Crutchfield Customer Review (What's this?)
 
20 minute installation, and work great.
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5 out of 5

Perfect for a motorcycle!!!

Written By Jeff, North Central Illinois on Wednesday, April 21, 2010
Crutchfield Customer Review (What's this?)
 
Installed these in the fairing of my '03 Goldwing in less than 1/2 hour, very
close fit with minimal alterations. The basket on the 501's is a little smaller
than the Honda speakers, so the ends of the holes needed to be clipped out. The
sound is great...much better than the paper-coned junk that Honda
installed from the factory. Now to buy another set for my passenger...
9 out of 9 people found this helpful
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4 out of 5

Perfect fit!!!

Written By James, Oregon on Monday, February 08, 2010
Crutchfield Customer Review (What's this?)
 
These speakers sound great! They were a perfect fit in the front doors of my 95 Toyota Paseo! I purchased them from the Crutchfield Outlet. Saved twenty dollars on them just because the box was open. Speakers were still in perfect condition. Would recomend these speakers!
1 out of 1 people found this helpful
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4 out of 5

Polk Audio db501

Written By Anonymous, Madison, IN on Tuesday, October 13, 2009
Crutchfield Customer Review (What's this?)
 
Pros: Great value. Very easy to install in rear doors of 2004 Nissan Frontier. It took maybe 45 mins. for both sides. I used the Nissan grilles. These speakers sound great paired with the Polk db 651's up front. They are hooked up to a Clarion head unit. No amplification. These speakers sound as good as any aftermarket speakers I've owned (I've bought way too many - anyone remember Cricket?). You can't beat these for the price. I also highly recommend Crutchfield's Outlet. I saved 10 or fifteen bucks just because the speakers had been opened.

Cons: None - do your homework - and you won't be disappointed (Crutchfield's comparison feature is incredibly useful).
4 out of 4 people found this helpful
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3 out of 5

May be great, but I'll never know

Written By James, Near Greenville, SC on Tuesday, March 03, 2009
 
These may be great speakers, buy I'll never know. Contrary to what the Crutchfield site says, they do not fit in the front doors of a 1991 Audi 200 with a factory Bose system.

That car has an amplified speaker enclosure in each front door, with a recess for a 4" speaker with three mounting holes in a triangular arrangement. The Polks have four mounting holes in a square arrangement. There is no way to make a square speaker fit down into the triangular recess.

Removing the entire speaker enclosure is not an option as that would leave no place to mount the speaker.
6 out of 17 people found this helpful
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5 out of 5

Great Sounding Speakers

Written By Vincent, Central California on Friday, March 28, 2008
 
Finally got around to changing the front speakers in my wife's car. She is using a Sony Head Unit CDX-GT320 which puts out 17w RMS per speaker. These 5in speakers replaced the 4in paper stock speakers. A BIG IMPROVEMENT!!! Also, easy to install. The hardest part was I had to drill 4 holes. The total time was less than 2 hours. ( I am Slow)
2 out of 2 people found this helpful
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5 out of 5

Polk Audio db501

Written By Ethan, Oklahoma City on Friday, June 08, 2007
 
Great speakers, easy install. I am pleased with the speakers, Excellent customer service. Happy Customer.
5 out of 5 people found this helpful
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5 out of 5

Excellent!!!

Written By William, Illinois on Thursday, April 05, 2007
Crutchfield Customer Review (What's this?)
 
Fantastic speakers, with the instruction sheet for installation it went pretty easy. The sound is a HUGE improvement over the factory speakers! They are clear, crisp, with great highs and lows. Could not be more pleased. Thanks again Crutchfield.
48 out of 56 people found this helpful
Was this review helpful?    Yes | No
 

1 question already asked

will this fit the a 1999 VW eurovan in the main cabin on both sides of the bench seat? [ Jon  Apr 11, 2014 ]
1 answer
  • For details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle. [ Krissy Staff  Apr 13, 2014 ]

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