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Polk Audio DXi651s

6-1/2" 2-way shallow-mount car speakers

Item #: 107DXI651S

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133 Reviews

Free Installation gear for most cars

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Polk Audio DXi651s

Enjoy your music even more

Go ahead, circle the parking lot till your favorite song is over. Polk Audio's DXi Series speakers will make you want to hit "repeat" so you can hear it all over again. Polk uses a high-tech approach and ideal materials to give your tunes an exciting new edge.

Precision woofers showcase your music

The DXi651s speakers feature 6-1/2" polymer composite cones that are lightweight and stiff, so they can create a big sound with minimal distortion. Polk analyzes their drivers in motion to ensure that cone movement is even and precise. Polk also uses laser imaging to craft woofer cones that are perfectly balanced to resist distortion-causing resonances. Also, the speaker frame's just under 2" deep with a mounting height of under 1/2", so you can install them in many space-challenged vehicles.

Aluminum dome tweeters broadcast detailed sound

Each 3/4" aluminum dome tweeter brings out the high-frequency highlights in your music, so you'll hear every detail of your most enthralling musical moments. From an intensely quiet acoustic pluck to the most exhilarating electric solo, it'll be a very entertaining ride.

Product Highlights:

  • shallow-mount 6-1/2" 2-way car speakers
  • polymer composite woofer with butyl rubber surround
  • 3/4" aluminum dome tweeter
  • power range: 6-55 watts RMS (165 watts peak power)
  • frequency response: 50-22,000 Hz
  • sensitivity: 92 dB
  • top-mount depth: 1-15/16""
  • warranty: 1 year
  • Our 60-day money-back guarantee

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.

Hands-on research

What's in the box?

Download owner's manual

  • Two 2-way speakers
  • 2 Grilles
  • Eight 1" Self-tapping screws
  • 8 Speed clips
  • 2 Foam rubber gaskets
  • Owner's Manual (English/ Spanish/ French/ German/ Italian/ Portuguese)
  • Online product registration information

Product Research

Features

High Efficiency Design: The Polk Audio DXi Series speakers feature a high efficiency design; meaning better sound and more volume using less power.

Dynamic Balance Driver Technology: 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.

Klippel Optimized Components: For a driver to reproduce complex sounds accurately, the cone must move exactly the same distance and manner in both directions. The Klippel distortion analyzer, a device that uses a laser and sophisticated software to do large-scale analysis of drivers in motion, lets Polk optimize the speaker's motor structure, voice coil alignment, and suspension to yield the best possible performance.

Composite Cones: Each speaker features a Dynamic Balance, Bi-Laminate composite, polypropylene cone woofer. These composite cones feature tremendous stiffness-to mass ratio, resulting in faster transients and finer detail.

Rubber Surrounds: For a smoother response and improved durability, the speaker uses rubber surrounds.

Aluminum Dome Tweeters: Each speaker features a 3/4" aluminum dome tweeter for clear, accurate highs.

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 verify what’s in the box, 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.

Polk Audio DXi651s Reviews

Average Customer Review:

133 reviews
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Awesome

Written By Brian, MA on Thursday, March 26, 2015

Crutchfield Customer Review (What's this?)

I replaced factory 5 1/4" speakers in my 99 Cherokee, and these are WAY better, they're awesome, highly recommend these to anyone.

Pros: They just sound great.

Cons: Nope, can't think of any.

Nice

Written By 99 max, Shannon, AL on Sunday, March 22, 2015

Crutchfield Customer Review (What's this?)

Nice speakers handles high volume well

New Speakers for Old Truck

Written By Mike A, Missouri on Tuesday, March 10, 2015

Crutchfield Customer Review (What's this?)

Recently installed these in my 96 chevy truck , they fit great with the mounting brackets and wiring adapters supplied . Good quality construction and sound nice and clear . Although there could be a stronger bass , which you could probably get by adding the right equipment . I do have to turn the volume up louder than I had to with the old factory speakers . This does result in a clearer , better sound . Over all I would say this was and is a good buy for the money.

Pros: Clearer overall sound . Fit perfect in front doors ( with adapter brackets ) . Which were supplied along with wiring connectors at no charge . No cutting factory wires , just plug in .

Cons: Don't really have any for now.

Good Highs, Bass is decent. More Focused in mids

Written By IMG, California on Monday, March 09, 2015

Crutchfield Customer Review (What's this?)

Running these of an aftermarket HU without an amp. With that being said, highs are great, seems to be focused more in the mids vs the bass. Bass is decent (could be better with an amp). Seems to be high quality made

Pros: Highs Quality

Cons: Bass is okay

Polk Audio

Written By Rick, MI on Sunday, February 22, 2015

Crutchfield Customer Review (What's this?)

Replaced the failed front speakers in my 2007 Silverado with these, as recommended by Crutchfield. Only the separate tweeters were working in the original configurations so I left them active. The fit perfect and sound exceptional. Very, very satisfied. I read reviews where the bass was lacking but I have no complaints. Nice, rich bass and midrange and tweeter sections are clear as well.

Pros: Factory mounting plate included Wiring adapter included Have a nice quality look and feel Nice bass, better than I expected. Highly recommended, great value for the money Stock speakers are garbage compared to these

Cons: I can't think of any. We'll see how long they last.

not impressed

Written By koachs, Ohio on Thursday, January 29, 2015

Been a Polk fan for many years, but was not impressed by these purchased to replace OEM in my 2015 Subaru Outback. They are cleaner, more clear, fuller and warmer sounding over the stock speakers. Unfortunately, to get any sound out of them I have to turn up the volume much farther than I did with stockers and it's only at these volumes that I can finally hear any bass. Even then, it's still really weak.

So, it's either purchase a subwoofer right away (which I didn't want to because I'm trying to make modifications elsewhere) or I send these back and buy the Subaru/Kicker upgrade kit that has a better sensitivity rating (which I really don't feel like doing).

Overall I rate them 2.5, halfway, cuz while they are an improvement they also need more power or subwoofer for acceptable levels of sound.

Pros: clear, full, warm

Cons: no bass, takes a lot more power to get moving

Good Deal!

Written By Julie J, North Carolina on Wednesday, January 28, 2015

Crutchfield Customer Review (What's this?)

This company is amazing! I had to buy speakers for my daughter's Honda Civic and have never bought speakers before. Crutchfield was recommended by my service guy. Ordering was simple with the Chat feature. I talked to two different employees and both were exceptionally helpful and made me feel confortable. I was told they would arrive before Christmas, and because I ordered them a few days before Christmas I didn't hold my breath. I imagined my daughter opening a box with a picture of the speakers on Christmas morning. Someone knocked on my door at 4 o'clock on Christmas Eve and my Fed Ex man handed me a package - the speakers. I almost fell in the floor. We just had them put in and she is really enjoying them. Thank You!

Pros: The experience from start to finish

Cons: None

Solid speakers

Written By Infernal Red, Colorado on Wednesday, January 28, 2015

Crutchfield Customer Review (What's this?)

I purchased two pairs of these speakers to replace the stock speakers in a 1999 Jeep Cherokee XJ. If you own an XJ then you know that the stock speaks are cheap, weak and lacking in every sense. These Polk speakers are larger than the stock speakers, yet they still fit the space available. The only issue I encountered was with the front passenger door - the panel rested against the speaker. I had to create a buffer space between the speaker and the panel, but that has nothing to do with the speaker itself.

Sound-wise, the speakers are nice. They are louder than the stock XJ speakers, and much more clear. Don't expect much bass from these little guys. Also, these speakers need to be broken in before they sound proper. Within 3 or 4 hours of constant playing, they finally found their sound.

Great replacement speaker for an XJ. Don't forget to include the wiring harness adapter.

Pros: Balanced sound. Good build quality.

Cons: Mediocre low-end.

Sweet sound!

Written By SG, Durango, CO on Thursday, January 22, 2015

Crutchfield Customer Review (What's this?)

Gotta love good sound. The install was simple with some difficulties screwing the speakers on to the brackets. But that is not worth taking away from the quality of these speakers. I had them installed without a subwoofer for about a week and I really liked the upgrade of the stock system just with these speakers. The sound really good!

Pros: Sound and price, got them on sale!

Cons: screwing them on the brackets is a bit tough. But that is not really the speakers fault.

Excellent

Written By Alex, Pennsylvania on Sunday, January 11, 2015

Crutchfield Customer Review (What's this?)

They were exactly the same depth as the stock speakers in my 1993 Accord. Would also be excellent in Subarus and other vehicles that require slim mount speakers. I wish there was more of a choice in the slim speaker market, but this is a great speaker. Always have been impressed with Polk.

Pros: Exactly the same depth as typical oem speakers Great sound Great build quality

Good Speakers

Written By r, Worcester, MA on Wednesday, January 07, 2015

Crutchfield Customer Review (What's this?)

I think that these are good speakers for the amount paid, I'm sure you could spend more and get slightly better sound but these are good for what I'm trying to accomplish.

Pros: Good sound for price paid.

Cons: None yet

Great speakers for the price

Written By Kyle, Wellsville UT on Sunday, January 04, 2015

Crutchfield Customer Review (What's this?)

they work great! i love the highs and the mid that this speaker has to offer. very clear precise sound.

Pros: sound quality, price, good mid and high

Cons: bass

Great Bang for the $Buck

Written By Steve, Virginia on Sunday, January 04, 2015

Crutchfield Customer Review (What's this?)

Great speakers for not being a component set, sounds great and the price is very good. Im a long time Polk fan and these speakers did not disappoint - put a total of 4 in my Yukon to replace the Bose factory speakers.

Pros: Marine rated! Attractive and sound great.

Cons: None

2001 GMC Sierra Salvation

Written By JEM, Flat Rock, NC on Friday, January 02, 2015

Crutchfield Customer Review (What's this?)

Speakers delivered exactly what I was hoping for - anticipate dyna matting doors, cab floor and rear wall which will only enhance the experience

Pros: Sound quality, installation, Crutchfield's knowledgeable people and free installation bits

Cons: ZERO

Polk Audio DXi651s

Written By Anonymous, Huntsville, AL on Wednesday, December 31, 2014

Crutchfield Customer Review (What's this?)

Good speaker set. Really good sound for the money and shallow mount makes installation possible in tight places. Would buy again.

Pros: Sound, mounting depth.

Great speakers, good price

Written By Anonymous, Greenville SC on Sunday, December 21, 2014

Crutchfield Customer Review (What's this?)

Very happy with these, especially for the price. I put these in my rear doors since only a shallow speaker would fit. DXi651 in front doors. Saturn Outlook.

Polk Audio DXi651s

Written By JSR, Texas on Sunday, December 21, 2014

Crutchfield Customer Review (What's this?)

The speakers were easy to install with the supplied hardware from Crutchfield. There were no instructions on how to remove the front door panels on my 2011 Camry so I bought a repair manual which had good instructions. The speakers sound great, a lot better that the stock speakers.

Pros: Great sound. Easy to install with supplied hardware.

Cons: No specific installation instructions for the 2011 Camry.

Fits 2002 Avalanche with bracket

Written By Anonymous, Sacramento CA. on Thursday, December 18, 2014

Crutchfield Customer Review (What's this?)

Easy install, Fits great and sounds great. No issues what so ever.

Pros: Easy install. Sound great

Cons: Non

Polk Audio DXi651s 2-way Speakers

Written By John, Arlington, Washington on Wednesday, December 17, 2014

Crutchfield Customer Review (What's this?)

Great sound for a 2-way speaker. Much cleaner, brighter sound than stock. Installed in Ram 3500 rear doors. Simple install other than drilling doors for unmatched mounting holes.

Pros: Great sound and value.

Cons: Not an exact replacement due to speaker mounting holes compared to stock. Minor issue.

One of the best for basic speaker upgrade

Written By Kasra, California on Tuesday, December 09, 2014

Crutchfield Customer Review (What's this?)

I replaced these with front and rear door Toyota prius II 2014 (No JBL) and improvement is huge. Not much power is going to the rear doors of prius by default but at the front it made a world of difference. Installation was easy with adaptors crutchfield sent with them.

Great speakers

Written By Trever, Erie pa on Monday, December 08, 2014

Crutchfield Customer Review (What's this?)

Great sounding speakers and easy to install. I would recommend them to anyone!

Pros: Durable Easy hook up

Cons: None

Polk Audio DXi651s

Written By EG, Paso Robles, Ca on Sunday, December 07, 2014

Crutchfield Customer Review (What's this?)

Great upgrade! Put these in back of car for 2014 Kia Optima and a big difference. Sound before was "stuffy nose" sou ding and not good. Now you can hear the highs and lows clear sounding.

Pros: Great soun.and priced right.

Cons: None

Good short term.

Written By Seph Z., Botkins OH on Thursday, November 27, 2014

Crutchfield Customer Review (What's this?)

These speakers were purchased to replace my stock Honda Accord Speakers. After ran off of head unit power (50 watts) for 3 months... the right speakers tweeter completely gave out and only plays mids. The left speaker now distorts at low volume so i don't bother turning them up. Replacing ASAP.

Pros: Clear audio at first.

Cons: Easily ruined.

Works as stated

Written By William, TN on Wednesday, November 19, 2014

Crutchfield Customer Review (What's this?)

Installation was easy. No issues. Works well.

Pros: Everything

Cons: None

Quality you can count on

Written By cb64, Chicago, Illinois on Wednesday, October 29, 2014

Crutchfield Customer Review (What's this?)

You can't go wrong with Polk Audio speakers. I'm never disappointed with the sound.

Great Sound

Written By Wolf, Woodstock, AL on Tuesday, October 28, 2014

Crutchfield Customer Review (What's this?)

Great sound quality especially for the price!!!!!

Good speaker

Written By S, Roy, Utah on Sunday, October 19, 2014

Crutchfield Customer Review (What's this?)

Got these for the sound bar in my Jeep Wrangler unlimited, had to make some modifications to the brackets to fit and after I stuffed the sound bar with poly fill they sound pretty good.

Pros: Crisp sound at an affordable price.

Great Sound DXi651s

Written By Jacob W, Harrodsburg, KY on Tuesday, October 14, 2014

Crutchfield Customer Review (What's this?)

I ordered these for my 2013 Nissan Versa SV they were installed very easy with the included stuff that was provided by Crutchfield. I used them with the bog standard stereo for about an month they were good but the stock stereo just didn't do it for me so I got a Kenwood Excelon KDC-X898 and that baby really opened them up the Blu-tooth and some high quality mp3 songs really liven them up. The other reviews are right they don't have a ton of bass and don't have have a "boomy" sound at all, the bass is tight and punchy and really only audible at mid to high volumes which is what I happen to like. If you are looking for the ultimate bass stay away if you want the ultimate clarity then these are for you........

Sounds great

Written By KGB, SJ/CA on Saturday, October 11, 2014

Crutchfield Customer Review (What's this?)

Polk Audio speakers sound great in my 2008 Mdx front driver and passenger.

Of course...it's Polk

Written By Mike, Arroyo Grande, CA on Monday, October 06, 2014

Crutchfield Customer Review (What's this?)

Great affordable crisp clear speakers. As always, Polk quality. They're not my first brand choice, but I needed a shallow speaker, and they afforded the quality I demand in the space I had to work with. Clean and clear. Installed four of these in the car, and paired them with a small powered subwoofer under the seat. The midrange and highs they add complement well. I knew Polk wasn't as punchy with the bass response as other brands, but I knew it would work with the sub.

Pros: Great clarity and quality at a reasonable price.

Cons: Not a lot of punch on the bass, but you're never going to get a lot with a 6.5" coaxial anyway. Would definitely recommend if paired with a subwoofer.

Polk audio DXi651s

Written By Anonymous, las vegas on Monday, October 06, 2014

Crutchfield Customer Review (What's this?)

Crisp sound just over all awesome I made a great choice of picking these would recommend these to everyone they're worth every penny

Polk Audio DXi651s

Written By CarlD, Cool,ca on Tuesday, September 16, 2014

Crutchfield Customer Review (What's this?)

These two speakers were installed in the front of a 2007 Jeep Wrangler. Supplied instructions were more than adequate. The passenger side speaker was quite easy, with the driver side being much more difficult. The universal speaker adapter required minor modification, made easier with a dremmel tool. I packed the speaker pods with poly fill. I used loc tite to attach the speaker adapters to the pods because I did not the screws working loose. I than removed the overhead speakers and packed them with poly fill as well.

Overall degree of difficulty installation was moderate.

Pros: Speakers sound excellant. Must have tools are the dremmel with attachments and a quarter inch drive socket with extension.Well worth the effort. These speakers are powered by a Kenwood DDX 371. I balanced the speakers to better distribute the sound between the overhead and front speakers.

Cons: None

Polk Audio DXi651s

Written By EricJ, Council Bluffs, IA on Friday, September 12, 2014

Crutchfield Customer Review (What's this?)

Arrived quickly with all the parts needed. Struggled to get power locks working after install, but not Crutchfield's fault. Sound good, but don't have great bass. Frequency response is 50 Hz, not 20, my oversight.

Pros: Quality speaker, slick install with provided parts.

Cons: Weak on bass.

Great Sound

Written By Keeller, West Texas on Monday, September 08, 2014

Crutchfield Customer Review (What's this?)

Good fit in rear deck of 2007 Honda Civic Coupe

Cons: none

Superb sound

Written By Anonymous, Waianae, HI on Monday, September 08, 2014

Crutchfield Customer Review (What's this?)

Great product! Excellent quality speaker for the price.

Pros: Fit nicely in the opening on the door for my Mustang. The other ones that were in there were too big and would not allow the door panel to fully set in properly. These fit perfectly with no bulges in the door panel.

Cons: None

Work well for what I needed

Written By KenM, Wilmington, IL on Sunday, September 07, 2014

Crutchfield Customer Review (What's this?)

Used these to replace the OEM speakers in the rear deck of a 2001 Malibu. They are paired with Polk's DXi461p in the front doors, and an Infinity powered sub. I'm using a Kenwood head unit to drive it all. Crutchfield did its usualy excellent job of providing the adapter plate and cabling to make installation a snap. Testing these speakers with a full spectrum signal (just to see how the sound) showed that they were rather lacking in the bass ranges. Since I have a powered sub for that, it really didn't matter to me and I set the x-overs to not feed bass to these speakers. The mids and highs sound great. If I go crazy with the sub levels, it distorts the rear speakers so I think I might need to devise a way to separate the airspace in the trunk from the back side of these speakers. Not the fault of these speakers, but might be something to consider.

Pros: Great mids and highs Easy install thanks to Crutchfield

Cons: Weak bass

Great for Vibe !

Written By J-Vibe, Rochester, NY on Wednesday, September 03, 2014

Crutchfield Customer Review (What's this?)

Perfect fit for both Front (no window issues) & Rear speakers. I have an 03' Pontiac Vibe, (moon & toons pkg with amp under passgt seat) lot of info on genvibe website of how to make replacement speakers fit, with various ingenious little tweaks.......all needless! IF, you order these speakers from Crutchfield with free supplied mounting bracket, and the wiring harness ...which is icing on the cake! Zero modifications, yes you have to actually look at it, and spin the mounting bracket till it lines up with holes....c'mon fellow reviewers get a brain. You also will have to clip off 1-2 extra tabs that stick out on sides of bracket, but they are made for removal if not being used. Plug and play doesn't get any easier! I got the Dxi651s, on sale, so might want to watch for price changes.

Pros: Ease of fit on pontiac vibe

Cons: Not super base...but not expected.

Very Clean Sound

Written By Jim K, Spring Grove, PA on Monday, September 01, 2014

Crutchfield Customer Review (What's this?)

My used Silverado had completely blown-out speakers when I bought it. These speakers sound fantastically clean. I am a jazz musician who appreciates hearing the sizzle of the high hat, even when I am hauling.

Pros: Nice flat sound.

Cons: None noted

Polk Audio DXi651s

Written By Anonymous, Cookson, OK on Wednesday, August 20, 2014

Crutchfield Customer Review (What's this?)

pretty easy to install. took a while because i didn't know what i was doing but the instructions made it some what easy once i figured it all out. in all its a good product husband is happy and sound great.

A very good upgrade over stock

Written By Daxx MC, Kansas on Saturday, July 19, 2014

Crutchfield Customer Review (What's this?)

I put these in the front doors of a 2002 Nissan Frontier, replacing the stock speakers. Installation was a little convoluted, but that was because I chose to modify the factory blown speakers into brackets for these. They fit behind the stock door grilles just fine.

Sound is pretty good. Not a lot of real low-end, but plenty for a 6 1/2". The top end is a little muted, but that could also be due to the position in the bottom of the door panels. I kept the factory tweeters hooked up to give a little more sparkle.

These speakers work well listening to rock, blues and country, but not so much with EDM or dubstep. The regular driver of the truck is into blues and blues-rock, and is more than happy with these speakers.

Pros: Shallow depth. Easy, one piece installation with no "gotcha's" or other pitfalls. Sound really good for delta blues, rock, jazz and country. Made the truck's owner very happy.

Cons: Not so good for dance music or dubstep. Not a whole lot of low end. Treble is somewhat muted and doesn't seem to sparkle.

Upgrade for a 1994 F150

Written By Adam, Chesapeake, VA on Sunday, July 13, 2014

Crutchfield Customer Review (What's this?)

Needed a low-profile speaker for the doors in my truck to replace a pair of blow MTX 6.5s. The sound is clear and detailed at all volume levels and will probably improve as the speakers break in. I have these paired with a Pioneer DEHX8600.

Pros: Price (on sale), mounting gasket included, easy mounting and installation.

Cons: Tweeter is fixed and cannot be angled to face listener.

Polk Speakers

Written By Terry, Gulf Shores, AL on Tuesday, July 08, 2014

Crutchfield Customer Review (What's this?)

Great sound and great buy

Pros: Sounds goo. Installed easy

Cons: None

Polk is great, just remember.

Written By ShannonG, Johnson City, Tennessee on Thursday, June 12, 2014

Crutchfield Customer Review (What's this?)

This set is amazing. Mids and highs are great. Bass isn't crazy good, but that's not what component speaks are made for. Just to add, as for all speakers, there is a break in time. It will take some time before they can reach there full potential. But when they do, they are great.

Polk speakers

Written By E.N., New Alexandria Pa on Sunday, June 08, 2014

Crutchfield Customer Review (What's this?)

I like the sound of the speakers very much.

Pros: sound quality

Cons: none

Sound not great and doesn't fit

Written By rnelson, okc on Friday, June 06, 2014

Crutchfield Customer Review (What's this?)

Purchased on recommendation of Crutchfield. Prior orders had excellent instructions. Received -0- this time. Speaker did not fit factory speaker bracket which has to be used. Once cobbled together something, door panel won't snap flush due to speaker being out 1/16 of inch or so farther than stock

Pros: none

Cons: sound is no better than the factory speaker I replaced

Crutchfield response on Tuesday, June 10, 2014 We forwarded this review to our Technical Support team for follow-up. Lifetime tech support comes with every Crutchfield purchase.

Good sound, poor installation directions

Written By Dan G., Carleton, Michigan on Friday, June 06, 2014

Crutchfield Customer Review (What's this?)

Sounds great but the installation instructions do not indicate the gasket is not required or usable in my 2002 Continental. Also the instructions do not tell you the speaker mounting holes will not line up with OEM holes. You must drill 1-2 holes in your OEM bracket for fitment

Pros: Sounds great

Cons: Installation instructions insufficient.

Good speakers

Written By DW, Louisville, KY on Friday, June 06, 2014

Crutchfield Customer Review (What's this?)

I purchased these speakers as replacements for the factory front door speakers in 1999 Chevy Silverado Truck. They sound really good and are an enhancement to the factory radio I have in the truck now. They were fairly easy to install and included the adapter brackets and the speaker wire pigtail when I purchased them. They also included installation instructions too.

Pros: Good sound, easy to install.

Cons: None

Polk speakers

Written By Dwight, Colorado on Thursday, June 05, 2014

Crutchfield Customer Review (What's this?)

Big sound upgrade from manufacturer speakers in Nissan Altima. Would buy again!

Pros: Clear sound, good bass and treble.

Cons: None

DXi651s

Written By RobS., Columbia, SC on Wednesday, June 04, 2014

Crutchfield Customer Review (What's this?)

Bought these based primarily on mostly very favorable reviews on this site as well as Polk Audio's alleged stellar stereo speaker reputation. These were front door speaker replacements for the factory crap in my 2009 Honda Civic. I have not replaced the factory in-dash stereo/cd receiver at this writing, but was still very hopeful of greatly improved sound quality from these. Alas, it wasn't to be. After a bit of a struggle with the installation, I proudly fired up the tunes and.....sigh. Frankly, these are just a LITTLE better sounding to my ears than the thin, paper cone, near weightless factory speakers, but not nearly as much as I'd hoped. I realize a new, better head unit should significantly improve the listening experience. BUT, if you aren't replacing your factory HU, don''t expect a quantum leap in sound. These are slightly more clear in the treble and mid-range, but again nothing to write home about. Color me unimpressed at this time but hopeful of better times ahead: Better input should equal better output...

Polk Audio DXi651s Speakers

Written By Harley Harrold, Meridian, MS on Tuesday, June 03, 2014

Crutchfield Customer Review (What's this?)

I installed a pair of these speakers in the rear doors of my 07' Dodge Ram 1500 Quad Cab truck. These were a direct replacement for the original speakers. No kit was needed to install in the doors. Great sound coming from the back of my cab now.

Pros: Easy to install, comes with replacement clips and screws. Fantastic sound and powerful speakers with oversize magnets.

Cons: None

03 Civic LX Front Speaker Upgrade

Written By Tom, Lawrence, KS on Sunday, June 01, 2014

Crutchfield Customer Review (What's this?)

Excellent Upgrade to the stock CD/Radio. Even Better with Kenwood Excelon KDC-498. Crisp, clear, and plenty of Bass.Highly recommended. It was a Good Sale Price for the Quality speaker it is.

Why the great reviews?

Written By Anonymous, Casper wy on Sunday, June 01, 2014

Crutchfield Customer Review (What's this?)

Not impressed. Highs are cracked, mids are muddled and lows are so distorted I had to adjust my kenwood deck to send none, zilch, nada for bass. These speakers are terrible. Can't belive all the good reviews for these things. I own Polk home stereo equipment and even they were embarrassed when I turned up the volume.

Pass on these, you'll be happy you did

Pros: Didn't fit

Cons: Terrible sound

Polk DXi651

Written By Michael, Hartford City, IN on Wednesday, May 28, 2014

Crutchfield Customer Review (What's this?)

Upgraded my factory speakers on a 99 Silverado. Very easy to install with the materials provided. Sound good with the Alpine head unit and inline amp I also purchased.

Pros: Easy to install. Good value for the price.

Review of Polk Audio DXi651s Speakers

Written By BrianS, Riverside, CA on Monday, May 19, 2014

Crutchfield Customer Review (What's this?)

Purchased these speakers to replace the speakers in my Daughters new Honda Fit. Once installed, my daughters was smiling ear to ear. She said "I can hear the artist breathing". Was such an improvement over the factory speakers which were made of a plastic cone and a magnet so small it didn't react to metal. Thank you to the staff who were very personable and answered all my questions on the installation. After supervising the installation of the1st speaker my daughter installed the other three speakers herself. They sound sooo much better than factory. Thank you for the great recommendation on the speaker and the excellent service.

Pros: Sound great. Low bass is a little light but for this price and the clarity of the sound of the speakers its a great deal!

Cons: Had to slightly modify a bracket but no big deal.

Polk Audio DXi651s

Written By Anonymous, Iowa falls, ia on Sunday, May 18, 2014

Crutchfield Customer Review (What's this?)

Great product

DXi651 Speakers

Written By Mike56, Marion, MA on Sunday, May 18, 2014

Crutchfield Customer Review (What's this?)

Installed these in the front doors of a 2014 Tundra, the speakers came with the wiring harness, and the adapter plate. Installation was easy and the sound is a huge improvement over the stock speakers! Very happy with my purchase

Pros: Polk makes a great product and I really love my much improved sound even with the stock HU. Crutchfield putting together a turn key system, price was very fair for what I recieved

Cons: None

Fantastic speakers, (obviously) superior to stock.

Written By Matt N., Leesburg, GA on Friday, May 16, 2014

Crutchfield Customer Review (What's this?)

These speakers are fantastic. I finally replaced my stock speakers since one of them was blown. I fooled myself for a few years while I thought my amp and subs paired with the stock was more than sufficient. Upon hooking these bad boys up, I was easily able to tell the difference! I have them hooked up to my aftermarket head unit, an above par one, and they sound great. I am sure they would sound better or louder if hooked up to an amp, but I don't need my ears to bleed, lol. A great price for some superb speakers, don't hesitate to pick a pair up!

Pros: High quality, great sound, and Polk Audio which are well known for just that. No distortion to almost peak level, I highly recommend!

Cons: The only con is that I didn't take the plunge sooner. No cons with the speakers at all.

Sound great in my Jeep JK

Written By Brock, Erie, PA on Thursday, May 08, 2014

Crutchfield Customer Review (What's this?)

I installed these in the dash and sound bar of my 2014 Jeep JK. With a little poly fill in the sound bar these speakers sound great!

Pros: Great sound

Cons: None

Very Nice Replacements

Written By Tickerguy, Niceville, FL on Tuesday, May 06, 2014

Crutchfield Customer Review (What's this?)

These speakers replaced the front-door units in my 1500 Suburban, which had previously been replaced with Pioneer 5.5" speakers several years ago.

These are MUCH better speakers; they are more-accurate, the treble is nicely-balanced and the midrange is not shrill or out-of-place. The only complaint is that bass can be a bit thin, but that's to be expected with this size of a driver -- if you really want deep bass, you need a sub -- period. (Mine is out in the truck, which I need to fix.)

IMHO they're a decent deal at their "regular" price, but a very good deal when on sale. The provided brackets were zero-hassle on installation as were the harnesses. True plug-n-play; I was done installing them within 20 minutes.

The stock head unit is able to drive them to reasonable, but not LOUD, levels. If you want real loud you're going to need an amp, but for reasonable listening levels the standard head unit is fine, unlike many other speakers that simply can't get themselves off the floor without external amplified power.

Can you do better? Sure. How much money do you have? These hit a nice sweet spot between "cheap" and "ok, that's expensive" while delivering a clear, well-balanced sound-stage.

For the asking price I like these a lot and when they go on sale the next time around I'll stick another set in the rear doors - and may do my other car with them too.

Pros: Nice, even soundstage. Well-balanced between mid-bass, midrange and treble.

Cons: They're capable of more than a stock head unit can deliver. Get a sub and high-pass crossover to get the bass off these and into the sub, along with separate amplification, and I suspect these will REALLY wake up.

Polk Speakers

Written By Daved1, Fairport,NY on Tuesday, April 29, 2014

Crutchfield Customer Review (What's this?)

Speakers sound great. Easy to install w/ adapters. Price was great and service was also great.

Pros: Sound quality, Price, Ease of installation.

Cons: None

good souns in a slim mount 6.5"

Written By Allen.E, Osewgo, IL on Monday, April 28, 2014

Crutchfield Customer Review (What's this?)

Decent soud for a slim mount speaker. Very crisp highs and adequate bass. Great price point and Polk quality.

Pros: Reasonable price for the wattage handled

Cons: Not a big bass speaker

Polk Audio DXi651s

Written By VW N8, Ft Worth, TX on Saturday, April 26, 2014

Crutchfield Customer Review (What's this?)

Installed these in my 2011 Jetta to replace a blown stocker. These sound great. Not a ton of Bass but wasn't expecting that. These will set the system off when I install a sub. Stock deck pushes these speakers great! Getting a pair for the rear for sure!

Pros: Great sounding speakers. Reasonable price, big upgrade from stock.

Cons: No a lot of bass

DXi651s

Written By Michael L, Anniston, Al on Thursday, April 24, 2014

i installed these speakers 3 months ago and i waited after the break in period to write this. these speakers rock. i have them running off a kenwood kdc-397 excelon headunit and it powers them just fine. i dont see where an amp would help them very much but with with the bass boost all the way off and the bass level at -8 they still shake the mirrors. they have a great sound and dont distort at all.

Pros: everything. powerful highs and mids.

Cons: doesnt handle lows to great

Good speaker

Written By SteveG, Parker' CO on Wednesday, April 23, 2014

Crutchfield Customer Review (What's this?)

Good upgrade from stock speakers.

polk DXI651's

Written By Wayne54, Slidell,La on Monday, April 21, 2014

Crutchfield Customer Review (What's this?)

picked these up for a good price. have good highs and mid, but lack bass. maybe if i add a amp it may help, we'll see later.will up date then.

Pros: good price on sale , ok sound

Cons: lack bass

Satisfied

Written By tdboze, Central FL on Monday, April 21, 2014

Crutchfield Customer Review (What's this?)

These fit in the stock pods on my 03 TJ without modification. I went with the higher priced aluminum tweeter version (the ones I am reviewing) thinking they would produce crisper highs when riding with top off my Jeep. I wasn't real impressed with that aspect. They do however sound good. I would buy the less expensive version of these if I had it to do over again. That being said, I don't have that set to listen to so they may not be any better and may in fact be worse. These speakers replaced 5.25" KickerDS525's and really have a MUCH warmer/fuller midrange than the kickers had. They are bigger so that may be a factor. They fit without modification into the stock openings and I was able to use the original oem screws for mounting. I elected to use the Polk covers as opposed to stock because the built-up area where the screws go through the stock covers was in contact with the foam portion of the speaker. I was afraid this would be detrimental to the integrity of the speaker over long term. The Polk covers take up a lot of real estate on the pods and I wish they were designed to be a little less conspicuous. Overall these speakers produce a warm clear sound and handle my 20W RMS x 4 head unit very well. I am able to turn the volume 6 points higher than with the kickers before distortion. I am using these with a JVC KDX250BT Head Unit, Kenwood KSC-SW11 Powered Sub Woofer (that fits nicely under my back seat), and Polk DXi461p for front.

Pros: Nice warm sound with great midrange.

Polk Audio DXi651s

Written By Spurs, san antonio,tx on Saturday, April 19, 2014

Crutchfield Customer Review (What's this?)

i replace my car front speakers with polk audio speakers and i was blown away with the quality sound of these speakers, they sound awesome !!!!! i just which i would of exchange my back speaker with Polk instead of Sony :( i have been recommending to everyone i know of the quality of these speakers....in my opinion there number one....

Pros: best speakers ever !!!!!

Cons: none

HD

Written By Ronnie, Maryland on Saturday, April 19, 2014

Crutchfield Customer Review (What's this?)

Sound great in my 06 Harley Electra Glide

Polk Audio DXi651s

Written By Meg, Cincinnati OH on Sunday, March 30, 2014

Replaced 6" Kickers I installed in the dash of my 2012 Jeep Wrangler with the Polks. Polk DXi651s have good lows, great mids, crisp and clear sound....they sound fantastic

Good Value, Surprising Performance

Written By Mike, Ann Arbor, Michigan on Sunday, March 30, 2014

I have these speakers in the front and rear doors of my 2003 Subaru Legacy. The fronts are a perfect factory replacement, while the tears require a little trimming for clearance on the inside of the door. With Crutchfield's great instructions, the total install took less than an hour for both sets.

These are sensitive speakers and sound great running off the deck. They are a little bright out of the box, but a short break in period really balanced them out. I am very pleased with my purchase.

I have about a year of hard use on them now. I push them to their limit and these speakers still sound great. Hard to beat for the money.

Pros: Price, Value, Sound, Durability

Cons: Not much to complain about.

"06 Dodge Ram Quad cab TRX4

Written By Gerald, Shelby, Ohio on Wednesday, March 26, 2014

Crutchfield Customer Review (What's this?)

Crisp, clear sound! Put these in the back doors of my truck, and 6x9 DXI690 Polks in the front doors and they sound fantastic! I'm very pleased!

Pros: Great sound!

Cons: none

Polk Audio DXi651s Review

Written By Greg, Indiana on Thursday, March 13, 2014

Crutchfield Customer Review (What's this?)

Polk Audio DXi651s speakers were the best choice for the doors in my 2013 Dodge Ram 1500 due to depth space in the doors. I had previously bought a pair of 6x9 Kickers that were supposed to fit but were a full inch too deep. I have been a fan of Polk for a long time and these speakers didn't disappoint. They sound much better than the other two sets of Kickers I installed front and rear.

Pros: Sound reproduction capability Quality of fit and finish Ease of installation

Cons: Higher quality costs more - enough said.

Polk Audio DXi651s

Written By Anonymous, 35242 on Wednesday, March 12, 2014

Crutchfield Customer Review (What's this?)

Excellent sound quality

DXI651s

Written By Marcus, Michigan on Monday, March 10, 2014

Crutchfield Customer Review (What's this?)

Installed these in my 2005 Cobalt along with a pair of DXI690s. I'm running them off the stock head unit and the mids and highs sound great on them, however there is very little coming from the bass department. Luckily the DXI690s in the rear make up for lack of bass in these. Major improvement over stock, and a decent pair of speakers for the price.

Pros: Sound clarity

Cons: Could offer better bass

Polk Audio DXi651s

Written By Robert, on Sunday, March 09, 2014

Crutchfield Customer Review (What's this?)

Nice speakers 5 STARS !!!

Great Sounding Speakers

Written By BISHOP3, LaGrange, Ga on Tuesday, March 04, 2014

Crutchfield Customer Review (What's this?)

Purchased these speakers for the door of my 99 silverado. I have two of these with a JL10 powered with a JBL 3 channel amp. These things sound good and are loud. Others have complained about no bass, I purchased them for mid and highs so didnt want bass. I love the mid range of these speakers, would like to have a little more from the tweeters but still not bad. They were a great addition to my system.

Pros: Just good speakers, nothing really off the chart special. Came with mounting screws and nicely packaged.

Cons: Could use a little more highs.

Honda Element Install

Written By Neil A., Jacksonville Beach, FL on Tuesday, March 04, 2014

Crutchfield Customer Review (What's this?)

Replaced rear speakers in an Element. Used the shallow mount, and no issues with installation. Did not have to cut the rear speaker protection shell. Wiring adapter was perfect fit. I still have the OEM head unit, so the speakers are not really maximized. these are not big bass producers, but nice mid to high ends. Slightly above factory speakers. Caught them on sale, so I'm satisfied.

Pros: Easy to install. No modification required. Plug and play. Nice high end. sale price makes them a reasonable purchase.

Cons: Weak bass. Really require head unit update to maximize.

Polk audio Dxi651s Speaker 6.5

Written By Paddy, Ny on Monday, March 03, 2014

Crutchfield Customer Review (What's this?)

Theese speakers are really great not much bass but the mid range and tweeters are amazing I have 4 of them and omg they're pretty loud lol....They sound so clear I have them in a 09 accord sedan So im happy

Pros: Clear amazing sound

Cons: No bass but dnt need it cuz i have a bannpass box so I dnt mind

Polk DXi651s

Written By poppagroove, Lynn Haven Fl on Wednesday, February 26, 2014

Crutchfield Customer Review (What's this?)