1.888.955.6000
 
 
1-888-955-6000
crutchfield.com
Crutchfield

Free Shipping on Everything

60-Day Money-Back Guarantee  |  Lifetime Tech Support

Polk Audio db651

6-1/2" 2-way car speakers — for 6-1/2" and 6-3/4" openings

Watch video
Zoom
  • Polk Audio db651

    Front

  • Polk Audio db651

    Back

  • Polk Audio db651

    Other

  • Polk Audio db651

    Other

  • Polk Audio db651

    Side view

Item# 107DB651 offer details

By buying this product you'll earn up to 100 Rewards points.

When you sign up for a Crutchfield account, you’ll be enrolled in Crutchfield Rewards. You’ll earn one point for every dollar you spend on gear from us. You can turn your points into Rewards Cards that you can use toward future purchases. You can sign up for an account now, or after you complete your purchase (you’ll get credit for the points either way).

 
Polk Audio

Why replace your car's original speakers?

The speakers that originally came in your car were made from inexpensive materials, designed to create acceptable sound at the lowest possible cost to the manufacturer. If you love music, you deserve better. Name-brand aftermarket speakers deliver fuller, richer sound with considerably more detail and nuance, and they're capable of playing louder and cleaner than factory speakers. Connect new speakers to your factory radio and you'll get the best possible sound from your dealer-equipped system. Pair them up with a new car stereo for a level of enjoyment that can rival a high-fidelity home audio experience.

Our take on the Polk Audio db651

by Leigh Schoettinger

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 db651 speakers feature 6-1/2" woofers made from a polymer/mica composite and 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. And you can even pivot the tweeters, aiming them at your ears for improved stereo imaging. The built-in two-way crossovers keep the high and low frequencies flowing to the proper drivers for seamless, efficient audio.

These speakers feature stainless steel mounting hardware and muscular ABS grilles that will add a stylish touch to your car's interior.

The supplied adapter rings enable the db651 speakers to fit into both 6-1/2" and 6-3/4" openings, ensuring an easy fit into VWs, Audis, BMWs, and other European imports.

Highlights:

  • 6-1/2" 2-way car speakers (pair)
  • supplied adapter rings allow for fit into 6-3/4" locations
  • Dynamic Balance polymer/mica composite woofer with butyl rubber surround
  • 3/4" pivoting liquid-cooled silk/polymer composite dome tweeter
  • Neodymium tweeter magnet
  • Kapton voice coil
  • built-in 2-way crossover network
  • ABS wheel-design grilles
  • stainless steel mounting hardware
  • power range: 6-60 watts RMS (180 watts peak power)
  • frequency response: 35-22,000 Hz
  • sensitivity: 92 dB
  • top-mount depth: 1-11/16"
  • 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

Features and Specs
General
Design
Loading...
2-way
Tweeter Design
Loading...
3/4" Dome
Tweeter Composition
Loading...
Silk/Polymer composite
Woofer Composition
Loading...
Polymer/Mica composite
Woofer Surround
Loading...
Butyl rubber
Parts Warranty
Loading...
1 Year
Labor Warranty
Loading...
1 Year
Specifications
Sensitivity
Loading...
92 dB at 1 watt
Frequency Response
Loading...
35 - 22k Hz
RMS Power Range (Watts)
Loading...
6-60
Peak Power Handling (Watts)
Loading...
180
Impedance (Ohms)
Loading...
4
Top-mount Depth (Inches)
Loading...
1 11/16
Bottom-mount Depth (Inches)
Loading...
N/A
Cutout Diameter or Length (inches)
Loading...
5

Product Research

Product Research
What's in the box?

Download owner's manual

  • Two 2-way speakers
  • 2 Grilles
  • 8 Self-tapping screws (length=1")
  • 8 Speed clips
  • 2 Spacer/adapter brackets (includes GM/Chrysler 6-3/4G)
  • 8 Self-tapping screws (length=3/8")
  • 2 Foam rubber gaskets
  • 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.

Pivoting Tweeter: The tweeter pivots, allowing you to to aim it toward your listening position for better imaging.

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

Mounting Ring: The supplied mounting ring has mounting holes for both 6-1/2" and 6-3/4" applications, allowing the speaker to fit more vehicles. In most cases, the ring should be used to mount the speaker.

Grilles: Strong ABS plastic grilles are included. These computer optimized grilles are based on exclusive MOMO designs.

 

Product reviews from the Crutchfield Labs

Product reviews from the Crutchfield Labs (what are the Labs?)
Video: Polk Audio db Car Speakers

Video: Polk Audio db Car Speakers

Ken Nail, J.R. Stoffel
1/21/2009
 

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

 

Product Reviews

Review this product
Great Gear Giveaway rewards card

Submit a review and you will be entered to win a $150 gift card

Crutchfield Great Gear Giveaway Official Sweepstakes Rules

Reviews for the Polk Audio db651

Average Customer Review:

128 people say:

Review this product:

Thanks for taking the time to share your experiences about this product. Please be sure to focus your comments on the product itself. Read our Review Guidelines for more information.

Your email won't be visible. Please use the email address that is associated with your order.
(e.g., JohnD) Your review will be signed using the display name and location
(e.g., Charlottesville, VA)

Click on a star to rate the overall product on a scale of 1-5
1500 characters left
Attach a YouTube Review
Crutchfield Video Review Guidelines
  • Only submit videos that you made or are authorized to use.
  • Do not submit videos that contain music, video or visuals that are copyrighted and belong to someone else.
  • Please see our Review Guidelines for more information.
500 characters left
500 characters left
Filter by rating:
Sort by:
Showing: 1-20 of 128
View page: 12345... »
4 out of 5

Polk Audio db651

Written By DaveR, CT on Monday, June 10, 2013
Crutchfield Customer Review (What's this?)
 
Great speaker and a significant upgrade to the sound. Did not fit the door, or the supplied adaptor kit. I would have had to use the speaker adapter to mount it on the separate adapter kit and that would have had to be modified to fit the car door I wound up modifying the original speaker/mount and attaching the speakers directly to that
Pros:
Great sound. Decent price
Cons:
Did not fit, supplied mount adapters did not fit. Took some energy to adapt original speaker/mount
Was this review helpful?    Yes | No
 
5 out of 5

Big Improvement

Written By Paul, New Jersey on Saturday, May 25, 2013
Installed in a 2011 Volkswagen Jetta
Crutchfield Customer Review (What's this?)
 
These speakers sound so much better than the stock VW speakers in my daughter's 2011 Jetta that we may not look to install a subwoofer in the future.
Pros:
Reasonable Price Excellent Sound
Cons:
No real issues
Was this review helpful?    Yes | No
 
5 out of 5

These rock!

Written By Mark, Brookville,IN on Sunday, April 28, 2013
Installed in a 2003 Chevrolet Silverado 1500
Crutchfield Customer Review (What's this?)
 
These sound great! Good bass sound and crisp mids and highs.
Pros:
Excellent replacement for my 04 Silverado
Cons:
None
Was this review helpful?    Yes | No
 
4 out of 5

like em

Written By Abe, Texas on Monday, March 18, 2013
Installed in a 2011 Toyota Tundra
Crutchfield Customer Review (What's this?)
 
I got these along with the shallows. The site said that they would only fit up front. I took a chance and got the shallows for the back doors and was also able to get the adapters and wire kits. Sound is an upgrade. If u want bass get sub to go along. Not bad set of speakers though.
Pros:
Clear sound
Cons:
Not much bass
Was this review helpful?    Yes | No
 
5 out of 5

Polk speakers

Written By Alvin, Mayaguez, PR on Tuesday, March 12, 2013
Installed in a 1990 Mitsubishi Montero
Crutchfield Customer Review (What's this?)
 
Good speakers and good sound in my 1990 Montero. Custom instal in front door.
Pros:
Vocal sound good.
Cons:
Low bass no good.
Was this review helpful?    Yes | No
 
5 out of 5

Fantastic!!

Written By Rich, USA on Monday, March 11, 2013
Crutchfield Customer Review (What's this?)
 
I installed these in my 2011 Chevy Silverado 2500HD Crew Cab. The speaker adapters and speaker wire harness connectors Crutchfield provides makes the job so incredibly easy! The master instruction guide from Crutchfield is awesome. Took me longer to take the door panels off then it did to install the speakers. The difference between stock speakers and these polks cannot even be compared. So much better! Also, I have a Alpine amp pushing these and they can handle every bit of power you feed them.
Pros:
Great sound. Great quality Great Mid range
Cons:
Wish had a bit more low end
Was this review helpful?    Yes | No
 
5 out of 5

polk audio

Written By kj, Cherokee on Friday, March 01, 2013
Crutchfield Customer Review (What's this?)
 
Great sounding speakers
Pros:
Fits in vw jetta 6 3/4 holes front and rear with out any spacers just have to drill 4 new holes simple
Cons:
None
1 out of 1 people found this helpful
Was this review helpful?    Yes | No
 
4 out of 5

Polk Audio db651

Written By Anonymous, Baton rouge, LA on Monday, February 25, 2013
Crutchfield Customer Review (What's this?)
 
Great. Even marine grade. they have built in tweeters so if you looking for bass this isn't them. If you want to upgrade to a nice stereo these are great mids and high speakers. They are very loud and crisp.
Was this review helpful?    Yes | No
 
5 out of 5

Good Speakers at a decent price

Written By Ed, Boston, MA on Monday, February 18, 2013
 
One of my factory installed speakers died in my almost 9 year old truck. So I had them all replaced & professionally installed with these speakers. They sound great. I am not an audiophile but they sound 100x better than my original truck factory speakers...They fact that they are paired up with my none factory Sony explod head unit makes a huge difference..
Pros:
Great sound.
Cons:
Too hard to install them yourself
Was this review helpful?    Yes | No
 
5 out of 5

Polk Audio db651

Written By legin, Hilo,HI on Friday, February 15, 2013
Installed in a 2013 KIA Soul
Crutchfield Customer Review (What's this?)
 
bought these polks to replace the factory speakers in my new kia soul. the difference is night and day, the polks handle everything the factory stereo can dish out. they sound great, good bass response clean highs, nice speakers.
Pros:
great sounding speaker. if you can follow instructions and have basic tools its easy.
Cons:
rear speaker bracket did'nt work with these speakers, mounting holes exceeded the diameter of the bracket.
Was this review helpful?    Yes | No
 
5 out of 5

Polk Audio db651

Written By W.L. Buntin, Danville, VA on Thursday, February 07, 2013
Installed in a 2005 GMC Sierra 1500
Crutchfield Customer Review (What's this?)
 
I recently purchased a 2005 GMC Serria 1500 Crew Cab and the door speakers were shot. I decided to replace them with the Polk Audio db651 speakers and I couldn't be happier with my choice. The installation was fairly easy and the adaptors included made the speaker wire connections a snap. Just be sure to watch the video on YouTube first to make getting the door panels off eaiser. If you're not handy with a drill and figuring out how to adapt the front speakers to fit, you might want to get a friend to help. The speakers sounded a little flat at first but after a few days they sounded great. Good bass, midrange and treble. If the CD player in my stock radio wasn't broken I wouldn't change it. That will be my next project and I'll probably come back to Crutchfield for that.
Pros:
Great sound
Cons:
None so far.
Was this review helpful?    Yes | No
 
4 out of 5

Awesome Speaker

Written By RonF, Lake Charles, LA on Thursday, January 31, 2013
Installed in a 2007 GMC Sierra
Crutchfield Customer Review (What's this?)
 
For the money, the speakers sound so much better than originals! Crutchfield Team made this installation as simple as it can get! Very happy with the advice received on the whole audio setup!
Pros:
Clean sound, all connections worked as advertised
Cons:
Directions supplied were mostly helpful except the disconnecting of the door release cable bracket and electronic connectors for door locks and windows.
Was this review helpful?    Yes | No
 
5 out of 5

polk speakers

Written By Otis J, Riverside, CA on Saturday, January 12, 2013
Installed in a 2006 Chevrolet Silverado 1500
Crutchfield Customer Review (What's this?)
 
they work and sound great. it was well worth the money.
Pros:
look and sound good.
Cons:
none yet
Was this review helpful?    Yes | No
 
5 out of 5

Great

Written By Marek, Des Plaines on Sunday, December 16, 2012
Installed in a 2013 Subaru Outback
Crutchfield Customer Review (What's this?)
 
The best Speakers EVERRRR!!!!
Pros:
The Best
Cons:
NONE
Was this review helpful?    Yes | No
 
5 out of 5

Great Speakers

Written By JohnD, Kansas City, MO on Saturday, September 29, 2012
Installed in a 2005 Chevrolet Silverado 2500/3500
Crutchfield Customer Review (What's this?)
 
I got these to go with my JVC head unit in my truck and they sound great. I've had a lot of good experience with Polk DB speakers in the past and these were even better than I thought. I was expecting the bass to be non-existent or very weak, but they are very well rounded and actually thump a little depending on the music. (Your results may vary...it may just be my truck door cavity carries the low notes better than other car doors.) Of course the highs and mids are very good, which is pretty much a given for most Polk speakers and why I chose these in the first place. I bought some pioneer 6.5" speakers for half the price of the Polks to put in the rear just for fill and they sound crappy compared with the Polks. If I had to do it again I would probably get another pair of Polks for the rear, but oh well. That's what you get for trying to save money. Overall they are a great sounding co-axial speaker and worth the price. They are probably about as good as it gets for this configuration unless you step up to component speakerI would highly recommend them to anyone looking for a well performing speaker in this price range.
Pros:
Great sound, well rounded, good value for the price
Cons:
Don't like the grille cover design, but I didn't need them as they are behind the factory door panel screens anyway
Was this review helpful?    Yes | No
 
5 out of 5

Excellent Value

Written By Derek, Lehigh Valley, PA on Monday, September 17, 2012
Installed in a 2012 KIA Sportage
Crutchfield Customer Review (What's this?)
 
This past weekend I replaced all 4 door speakers in our 2013 Kia Sportage with these units, and the improvement was definitely more than I anticipated. My wife is no audiophile, but she immediately noted the brighter and crisper treble, as well as the tighter, deeper, and more accurate bass response. With the 2013 Sportage, you do NOT have to use the "slim" versions of these speakers, and the factory head unit has more than enough power to drive them.
Pros:
Excellent performance for the money
Cons:
None whatsoever
2 out of 2 people found this helpful
Was this review helpful?    Yes | No
 
5 out of 5

Polk Audio db651

Written By RLH, Omaha, Nebraska on Sunday, September 09, 2012
Crutchfield Customer Review (What's this?)
 
Clear precise sound is my opinion of this product. A driver of this size is not capable of delivering a lot of bass, but neither is any other driver of this size. If you want bass you need to buy an apropriate subwoofer. As to the value, I cite the law of diminishing returns. You would have to spend a lot more for an incremental inrease in quality.
Pros:
Accurate and a good value
Cons:
None at this time.
Was this review helpful?    Yes | No
 
4 out of 5

Improvement over OEM

Written By JayK, Fort Wayne, IN on Wednesday, June 20, 2012
Installed in a 2008 GMC Sierra
Crutchfield Customer Review (What's this?)
 
Installed these in a 2008 GMC Sierra. They play louder with less distortion than stock speakers and the musical details are more pronounced. Cleaner sound with tighter bass response. Not more bass than stock but better bass than stock. Overall I'm pleased with the speakers. This was step one. Next will be the head unit and a JL Audio Stealthbox to complete the audio overhaul.
Pros:
Clean, loud with tighter bass
Cons:
None
1 out of 1 people found this helpful
Was this review helpful?    Yes | No
 
5 out of 5

harley davidson ultra classic

Written By Chuck, Fort Washington on Monday, June 18, 2012
Crutchfield Customer Review (What's this?)
 
I placed the speakers in my Harley Davidson motorcycle to replace the stock ones, and what a big difference. I thought I would need an amp but I didn't. The factory speakers were the problem, my radio just had to be unleased.
Pros:
Love them. Also the tweeters swivel.
Cons:
None yet.
1 out of 1 people found this helpful
Was this review helpful?    Yes | No
 
5 out of 5

Great speakers

Written By Marlin K, Lubbock,Texas on Tuesday, June 12, 2012
Crutchfield Customer Review (What's this?)
 
Big fan of Polk, been using Polk speakers for years not one complaint. Bought these DB651 s for use in a boat (they are marine certified) and they sound great. I have two pair of these with a 4 channel 400 watt amp and they are great, even good bass for what/where they are
Pros:
excellent sound quality-especially for the price plus marine certified
Cons:
none
2 out of 2 people found this helpful
Was this review helpful?    Yes | No
 
1-20 of 128 >>

Accessories

Add accessories for the Polk Audio db651

Reduce ambient road noise and your vehicle's "rattles," for better sound inside your car. See all categories & accessories

Dynamat 10415 Xtreme Speaker Kit Two 10-in. x 10-in. Sheets
28 people say 
Your Price: $26.99
Add to Cart
Dynamat 10435 Xtreme Door Kit With four 12" x 36" sheets — covers two doors
21 people say 
Your Price: $99.99
Add to Cart
Dynamat SuperLite Tri-Pak Triple package — 3 sheets, 12 square feet (Model #10612)
7 people say 
Your Price: $69.99
Add to Cart
StreetWires 14-gauge Super Cable™ Speaker Wire Translucent blue jacket — priced per foot (Clear)
3 people say 
Your Price: $1.49
Add to Cart
StreetWires 16-gauge Super Cable™ Speaker Wire Blue jacket — priced per foot
19 people say 
Your Price: $0.49
Add to Cart
StreetWires 12-gauge Ultra Cable™ Speaker Wire Blue/copper jacket — priced per foot
57 people say 
Your Price: $1.99
Add to Cart
StreetWires 14-gauge Ultra Cable™ Speaker Wire Blue/copper jacket — priced per foot
33 people say 
Your Price: $1.49
Add to Cart
8 people say 
Your Price: $39.99
Add to Cart
Stinger PRO Series 16-gauge Speaker Wire Black jacket — priced per foot
7 people say 
Your Price: $0.39
Add to Cart
Boom Mat 6-1/2" Speaker Baffles Protect your speakers
Regular and slim-line sizes (Regular: 3" depth)
21 people say 
Your Price: $8.99
Add to Cart
XTC 6-1/2" Speaker Baffles Protect your speakers (3-1/4" depth)
87 people say 
Your Price: $7.99
Add to Cart
Metra Female Quick Slides An assortment of female quick slide connectors for connecting to speaker terminals
7 people say 
Your Price: $1.99
Add to Cart
Metra Crimp Tool and Connectors Package contains crimp tool and over 150 pieces
6 people say 
Your Price: $19.99
Add to Cart
Posi-Products™ Car Speaker Connectors 8 connectors for installing car speakers
10 people say 
Your Price: $11.99
Add to Cart
S&G Wire Cutter/Stripper Tool Cuts and strips 12- to 22-gauge wire
5 people say 
Your Price: $19.99
Add to Cart
S&G Tool Aid 87615 Window and Door Clip Removal Tool
11 people say 
Your Price: $7.99
Add to Cart
S&G Tool Aid 87650 Door Trim and Panel Removal Tool
55 people say 
Your Price: $9.99
Add to Cart
Bojo Trim Panel Tools Set of 6 plastic tools — helps remove interior and exterior trim and door panels
21 people say 
Your Price: $24.99
Add to Cart
DEI Heat Shrink Tubing Black 4-foot length (Assortment)
 
Your Price: $24.99
Add to Cart
Skewdriver Pro SPK4042 Ratcheting straight and offset screwdriver set with 40 bits (Skewdriver Pro with ratchet handle, pictured)
6 people say 
Your Price: $49.99
Add to Cart
Spec Tools SQR-200a Squeeze Wrench Narrow space ratchet kit with 18 sockets
1 person says 
Your Price: $49.99
Add to Cart
InstallCard: Speaker or Subwoofer Prepaid installation card — for one pair of speakers or a subwoofer
13 people say 
Your Price: $54.99
Add to Cart

Smart people protect with SquareTrade- The best warranty at the best price

SquareTrade Warranty
SquareTrade Warranty 3 Year Warranty
Your Price: $14.99
Add to Cart

In business since 1999, SquareTrade is the largest independent warranty provider in the U.S.

100% parts and labor - no deductibles

All mechanical and electrical failures covered, includes normal wear and tear.

Your item's repaired or the full item price returned withing 5 days

Runs concurrent with manufacturer's warranty

Rated 5-stars by consumers

For a more in-depth review and enhanced detailed information on the Polk Audio db651, please visit the Crutchfield website product page (/S-cocIUscOihv/p_107DB651/Polk-Audio-db651.html ).

Recommended Accessories See more accessories

Your featured item

Polk Audio db651
Polk Audio db651
6-1/2" 2-way car speakers — for 6-1/2" and 6-3/4" openings
$99.99
In Stock
 
 

Dynamat

Dynamat 10415 Xtreme Speaker Kit
Two 10-in. x 10-in. Sheets

Also available in:
Open Box: $19.99
$26.99
In Stock
 
 

Speaker Wire

StreetWires 14-gauge Super Cable™ Speaker Wire
Translucent blue jacket — priced per foot (Clear)
$1.49
In Stock
 
 

Foam Speaker Baffles

Boom Mat 6-1/2
Protect your speakers
Regular and slim-line sizes (Regular: 3" depth)
$8.99
In Stock
 
 

Speaker Connectors

Metra Female Quick Slides
An assortment of female quick slide connectors for connecting to speaker terminals
$1.99
In Stock
 
 

Protect your gear with an extended warranty

Add 3 Year Warranty
Square Trade Warranty
$14.99
In Stock
 
 
Add selected to cart
 

Get live, personalized service from an expert

Crutchfield Advisor: Hi there.

Crutchfield Advisor: We're happy to answer questions or provide additional info about this item.

Advisors also available at 1-888-600-3963

  • Front

    Polk Audio db651
  • Back

    Polk Audio db651
  • Other

    Polk Audio db651
  • Other

    Polk Audio db651
  • Side view

    Polk Audio db651