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Polk Audio DXi651s

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

Item #: 107DXI651S

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158 Reviews



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.

Polk Audio DXi651s Reviews

Average Customer Review:

158 reviews
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2008 Trailblazer rear speaker replacements

Written By mikewh328, New Jersey on Wednesday, October 28, 2015

Crutchfield Customer Review (What's this?)

The fine folks at Crutchfield had recommended these speakers to be decent replacement speakers to the factory-installed speakers that blew out in my Trailblazer several months ago. They were fairly easy to install - I didn't need the mounting brackets that were sent to me, and I probably could have saved the few added dollars and not had the Panel-removal tool sent to me as well, but for the sound quality that I was looking for, these will be perfect for me. I've already had them in my Trailblazer for a week now and I'm impressed with their sound.

Pros: Price, ease of installment, sound quality is "just right."

Cons: You will need to play with your "Bass" and "Tremble" settings if you're still using a factory-installed stereo, like I am. Once you get your settings just right (where you don't feel like you're listening to music through a paper towel roll), leave them where they are for all your music.

Hard to tell

Written By r, California on Monday, October 26, 2015

Crutchfield Customer Review (What's this?)

The sound of a set of speakers depend on much more than just the speakers. The housing and the preparation (sound deadening) of the housing can have a big impact on the sound of the speakers. The unit used to play the media in the speakers has a significant impact. And many other factors can effect the sound you get out of these or any speakers. Having said that I am satisfied with what I got for what I paid. I wish I could afford more on the power going to the speakers and the environment they were installed into (large square doors with metal on each side and only about 3" thick), but I am happy with these.

Pros: Clean looking

Cons: Installation instructions not great. An extra ring comes attached to the speakers. This ring is not mandatory to install. There was no indication that this was the case until I perplexed over taking it off and installing the speakers directly into my doors. Turned out that was the only way I could install them. There was no mention of this in the instructions. I spent about 30 extra minutes on the installation because of this.

Polk Audio DXi651s

Written By Jared, Pittsburgh, PA on Sunday, October 25, 2015

Crutchfield Customer Review (What's this?)

These polls work great in my 2002 civic. They sound 10X better than the stock speakers. I would very much recommend these to someone looking for some speakers

Great sound

Written By Jerry, Texas on Sunday, October 04, 2015

Crutchfield Customer Review (What's this?)

Great sound even at high volume

Pros: Not too difficult to install, sounds clear not muggy

Cons: Doesn't produce that much bass, but its more based on crisp and clearness of sound.

Polk Audio DXi651s

Written By Dug1903, Iowa on Friday, September 25, 2015

Crutchfield Customer Review (What's this?)

These speakers sound great.

Pros: Just a great sound

Cons: none


Written By Dan, Maryland on Sunday, September 06, 2015

Crutchfield Customer Review (What's this?)

Here's the skinny on these speakers. Build quality is nice but sound quality was weaker than I expected. There is no bass. Wish the rep had told me from the get go that I would need a sub, because I told him I like very loud music. Have to turn my Kenwood Excelon KDC-X599 volume to 27/35 which is 3/4 of the way (and too much) to get any kind of sound out of them. Very low bass will have an after rumble at this level. Not good. I hear a lot of good things about the customer service from Crutchfield. Frankly, I am disappointed. They may be good at returns and responsive to online chat, but the representatives don't give the best advice or a heads up to see what extras you'll really need for completion, IE. posi-connectors, slide connectors, more speaker wire, etc.

Pros: Nice quality, high signals

Cons: Bass, customer service


Written By BobN, ventura, ca on Thursday, August 27, 2015

Crutchfield Customer Review (What's this?)

Some background - my car comes with Bose amp and speakers. Factory radio is not Bose. I installed a new Pioneer radio only, installed rear speakers a month later, and front speakers 2 weeks later, because I was working lots of overtime. That one month with the original Bose speakers - sound was great except for some portion of mid-bass, kind of boomy and there was some resonance that made some of the lower frequencies too loud. Installed back speakers, the mid-bass was "tighter". Installed front speakers, mid-bass became solid. The factory subwoofer provides the really deep bass, so for those expecting subwoofer performance from these are going to be disappointed. The highs are good, almost too good. Had to change EQ settings to reduce the high freqs. The factory tweeters in the dash complement these speakers - I can hear tambourines, cymbals, just like the band was in the car. To hear it at freeway speeds in my noisy car was a miracle. The "Marine Certified" feature of these speakers give me confidence for super-humid days (not in CA but elsewhere in the USA) and possible rain leaking into the door, as well as longevity of sound quality.

Pros: If you're starting with a non-Bose speaker/amp combo. the improvement will be tremendous. If you already have a Bose sound system, you get a refinement equal to some of the best factory provided units (leave the $2K - $5K optional cost factory units out of this comparison). But then I didn't have to spend four figures of $$$ to get great sound.

Cons: Installation in front doors was a pain.

Disappointed from the start

Written By ZOG, Kentucky on Saturday, August 15, 2015

Had heard good things about Polk and these fit so I ordered up a set. as soon as I mounted them I knew they were to bright and produce no bass. I know my factory head unit is spitting out high treble but these were just to much and didn't compensate with any bass. they do look like they are made well and the mounting was easy and came with everything I needed but they just didn't suit my taste or system in my 2015 challenger base radio. Crutchfield swapped them out with no question and I got a set that sound better to my Ear.

Pros: easy install, nice quality.

Cons: to bright to my ear with no bass to compensate. they went back!

Polk DXi 651s

Written By John D, North Carolina on Saturday, August 08, 2015

Crutchfield Customer Review (What's this?)

The Polk DXi 651s speakers are ok. They have excellent clarity but the mid bass response is very poor in my opinion. I have heard stock car systems with more mid bass. I waited until I got an amplifier to review these speakers because I feel like you can't properly judge a speaker unless it's properly amplified. These speakers are power hungry and they handle the power ok but not as good as you would think a set of speakers for this price would. Also, you really only need one set of these because you don't even notice the rear set. You definitely need a subwoofer with these speakers to enjoy them. I would recommend 1 set of these, a subwoofer and a 4 channel amp instead of buying an extra set for the rear. If you like midbass, these speakers aren't for you no matter who recommends them. They will only give you so much midbass maybe because they're shallow mount, I'm not sure. I got these on sale from Crutchfield, so I'm ok with them, but if I had paid full price for the pair I would be very unhappy. I hope this review helps, I tried to be as honest as possible.

Pros: Great tweeter and clarity

Cons: Very poor midbass even with an amplifier

Nice sound!

Written By JayK, Ohio on Wednesday, July 29, 2015

Crutchfield Customer Review (What's this?)

Install wasn't too bad (for a car audio rookie). Very satisfied with the rich sound the Polk speakers produce. Everything is clear and the bass is enough for us!

Polk Audio dx8651s

Written By Nate, Alabama on Tuesday, July 14, 2015

Crutchfield Customer Review (What's this?)

I bought 2 pair and replaced all 4 factory speakers in my 2001 suburban. They sound great and made a great difference. First time to ever install after market speakers and it wasn't difficult, if I can do it, anyone can.

Polk 6 1/2" Speakers

Written By Larry M, Fuquay Varina, North Carolina on Monday, July 13, 2015

Crutchfield Customer Review (What's this?)

Installed in 2007 Chevy Colorado, Front Only, Easy Install, All Parts Shipped Promptly, Highly Recommend Crutchfield, Very happy w/ purchase & transaction!

Pros: Great Sound

Cons: Minor Installation Adjustments Required

Polk Audio DXi651s

Written By Adam L, Pennsylvania on Monday, July 13, 2015

Crutchfield Customer Review (What's this?)

Sounds great

Just what I was looking for

Written By Jeff w, Pennsylvania on Saturday, July 11, 2015

Crutchfield Customer Review (What's this?)

Great sounding speaker, easy install, great price.

Pros: Great sound

Great bang for the buck

Written By RickT, Pennsylvania on Sunday, July 05, 2015

Crutchfield Customer Review (What's this?)

Installed these speakers in a '99 Silverado in a little over an hour. With the installation kits and on line instructions.... it's a snap. I've installed many audio upgrades in Miatas to vans, Crutchfield is where i go for the equipment I install. The Polk speakers sound great .Far better than stock.

Pros: Great sound for the price.

Cons: An amp would help with a factory head unit to get the bass booming


Written By Dave, Mercer me. on Monday, June 29, 2015

Crutchfield Customer Review (What's this?)

Thy fit great and sound 100 times better than the factory speakers

Pros: Good fit great sound

Cons: None found

99 Saturn

Written By KevinH, Lumberton, NJ on Sunday, June 28, 2015

Crutchfield Customer Review (What's this?)

Replaced factory speakers in 99 Saturn SL2 and sound great. Very easy to install with supplied mounting adapter and wiring harness - less than 2 hours for front speakers

Pros: Good low cost speakers that sound great.

Cons: None

Better then stock

Written By PerryD, Westminster, MD. on Monday, June 08, 2015

Crutchfield Customer Review (What's this?)

Installed these speakers in my 2013 Ram 1500 Crew Cab. All 4 doors had stock 6x9's. I had already replaced my stock head unit with a Jensen DVD, Nav, and Sat with a 6.5 inch screen that I also purchased from Cruthfield which has EQ settings and a loudness button which does these speakers justice over the stock unit.

Pros: With the mounts and wires that come free with the speaker purchase I had the old speakers out and these new Polk Audios in, in 15 minutes per door.

Cons: none

Good bang for the buck

Written By SDRam1500, San Diego, CA on Thursday, June 04, 2015

Crutchfield Customer Review (What's this?)

I've always had good results with Polk products. Excellent bang for the buck. Replaced my stock 6x9 speakers in my 2015 Ram 1500 R/T regular cab. Big improvement over the factory...which isn't hard to do. These speakers could benefit from an amp, as the factory Alpine H/U doesn't do them justice. Then again, if were going that route I would use higher-end components. There is zero distortion at max volume. This was a nice low budget upgrade for my truck.

Pros: Slim mount. Decent quality for the price.

Cons: None at this price point.

No more factory sound

Written By TonyR, Nebraska on Tuesday, May 19, 2015

Crutchfield Customer Review (What's this?)

Bought this product to replace in my 2004 Chevrolet Silverado. Was very easy to install and sounds better. A special thanks to the Crutchfield team for providing all the extra parts to make it a easy install.

Solid Performer, excellent clarity

Written By Daniel, clovis,nm on Tuesday, May 12, 2015

Crutchfield Customer Review (What's this?)

Very clear and loud sound! I love polk audio and these speakers had a great sale running on them. Since the wiring adapters for installation in the panel was complimentary with my crutchfield order install went perfectly. They sound truly amazing, especially compared to my factory speakers.

Great Speakers

Written By Crash, North Carolina on Tuesday, April 28, 2015

Crutchfield Customer Review (What's this?)

Replaced the tired factory speakers in my 98 Chrysler Cirrus with these in the front doors. I had always been surprised that the stock speakers had the bass that they did, but boy did they suck in the mids and highs. These Polk DXi651's are awesome sounding! The mids and highs are back, and paired with the DXi691's (mounted in the back) you get good bass while not sub level, is very respectable. I was not looking to blow the windows out with bass, and find the tonal balance to be spot on. I have long been a fan of Polk speakers and these do not disappoint.

Pros: Good performance from a 2-way speaker. If this is all you are going to use, you will need to augment the bass (I used the DXi691 6x9's on the back). Otherwise these are great speakers.

Cons: None

Great Speakers

Written By Anonymous, North Carolina on Monday, April 27, 2015

Crutchfield Customer Review (What's this?)

Awesome sound, easy installation, would highly recommend.

Pros: Price point

Polk vs Kicker 6.5's

Written By Anonymous, Vermont on Tuesday, March 31, 2015

Crutchfield Customer Review (What's this?)

I initially installed these in the doors of my F250. The sound was flat and dull. I replaced them with a cheaper set of Kickers that have a little less bass but much better clarity and presence.

Pros: Well made, decent bass for the size.

Cons: They sound dull and lifeless

one of the best

Written By Anonymous, 10301 on Monday, March 30, 2015

Crutchfield Customer Review (What's this?)

This speaker is very good, I bought this speaker as a replacement for my 1995 Toyota corolla rear speaker. Sound best than the factory ones

Pros: Clarity

Cons: None


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.


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.


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'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