Polk Audio DXi651s

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

Item #: 107DXI651S

In Stock

116 Reviews | 1 question - 2 answers

Was:$99.99

Sale:-$35.00

Free Installation gear for most cars

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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.

Polk Audio DXi651s

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 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.

Polk Audio DXi651s Reviews

Average Customer Review:

116 reviews
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Fits 2002 Avalanche with bracket

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

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?)

I replaced my stock speakers in my Chevy HHR, which were pretty much junk, with the Polk DXi651s. The Polks are a good all-a-round good speaker for the money.If you are using them with a stock head unit don't expect a lot of accurate bass. If you run a sub with a aftermarket head unit then these Polks do a pretty fine job. The high's are a little harsh sounding but not bad for the money.

Pros: Good speaker for the money....

Cons: Highs are a little harsh sounding

Polk Speakers

Written By jack, ellicott city, md on Sunday, February 23, 2014

Crutchfield Customer Review (What's this?)

I got these to replace my stock speakers that shorted out . I still have the stock Chevrolet stereo system and the new speakers sound very nice with it. Installation was literally a snap on my Sliverado using the speaker brackets. No drilling at all just snap the speakers into place along with the wiring harness that were supplied free with the speakers I didn't have to splice into the wiring harness just plug right into the stock harness.

Pros: Sound great with my stock stereo. The installation could not have been any easier

Cons: none

2005 Saturn Vue

Written By Sound Guy, Franklin, Indiana on Friday, February 21, 2014

Crutchfield Customer Review (What's this?)

It's tough to give a rating to speakers because of the natural bias. Does it sound better than the factory speakers? Well, how old is the car? What kind of car is it? Does it sound better than more expensive speakers? Are you still using the factory stereo? With that in mind, I gave these 5/5.

My 2005 Saturn Vue isn't the quietest vehicle around and while I have put in sound-deadening in the doors and hatch, the interior noise on the interstate is still noticeable. I had already replaced with factory dash stereo with a nice mid-price JVC unit and heard some improvement. Time for new speakers.

This takes me to last night and installing Polk DXi650s's as replacements for my four door speakers. My Vue additionally came with tweeters on the front pillar which are still factory. After the install, I popped in a rock CD with good dynamic range across songs and was very happy with the results. The bass presence and clarity was top-notch. I was also hearing more nuances in the mid-range.

Between the JVC stereo and the Polk speakers, I'm rockin' to my rock, thumpin' to my techo, and jamming to my jazz.

Pros: Great low end. Great mid-range.

Cons: Polk's manual has one picture of how the speaker should be put into a door. Only a picture, which isn't too bad except there are more holes than screws by the time you include the adapter, speaker, and grille. If you are putting these into a door or other area which already has a grille, don't mess with the Polk grille. That's what i opted to do.

POLK SPEAKERS

Written By ET, MONTGOMERY,AL on Wednesday, February 19, 2014

Crutchfield Customer Review (What's this?)

WOW GREAT UPGRADE FROM BLOWN STOCKS 2 ROCKIN AGAIN

Cons: FRONT MOUNTS WERE A LITTLE TIGHT

No Power

Written By kairon, san mateo, ca on Monday, February 17, 2014

Crutchfield Customer Review (What's this?)

These speakers lack power overall. The mids were clear however the highs and lows were missing clarity and power.

Pros: Clean Design, easy to install

Cons: No low or highs

Expecting a bit more

Written By Jay R, Maryland on Monday, February 03, 2014

Crutchfield Customer Review (What's this?)

The sound isn't much better than stock in my 08 sebring. The 3'1/2 JL's I have in the front make my treble crisp. These were not a big difference from stock to upgrade. Still sound pretty good

Pros: Bought them from Crutchfield

Cons: Don't expect a huge difference in sound

Perfect

Written By Mike R, Athens,GA on Sunday, February 02, 2014

Nice. These speakers were installed as the rear speakers in a 2002 Subaru Outback. They were a direct drop in for the factory speaker brackets. Really good sound with tight base.

Pros: Very easy installation Great sound

Cons: Cutting out the back of the factory brackets to accommodate these speakers was a pain (but expected thanks to Crutchfield's product notes)

Polk Audio DXi651s

Written By Anonymous, Cooperstown, NY on Sunday, February 02, 2014

Crutchfield Customer Review (What's this?)

Purchased to replace factory speakers in Nissan Versa. Disappointed In bass and fullness of sound.

Pros: Easy install with support documentation.

Cons: Just not what I expected for full sound. Factory speakers were much better.

Rich sound

Written By Joselo, Jupiter FL on Friday, January 31, 2014

Crutchfield Customer Review (What's this?)

Slim design with a rich involving sound quality.

Pros: Slim and powerfull.

Cons: None.

Crisp clean sound

Written By Colin D, Pryor, ok on Sunday, January 26, 2014

Crutchfield Customer Review (What's this?)

I replaced Orion speakers with these. These are so much crisper

Pros: MIds and highs are really clean for the money

Cons: None

2005 Dodge Dakota

Written By Anonymous, Alaska on Thursday, January 23, 2014

Crutchfield Customer Review (What's this?)

Sounds Great! Easy to install. Nice lows and highs, classical music is full and clear.

Pros: Great sound

Cons: None

Just ok

Written By Anonymous, Surrey, BC on Saturday, January 18, 2014

Crutchfield Customer Review (What's this?)

Had some installation issues. The instructions that came for my vehicle reference the speakers having a wiring harness, but there was no harness or wiring included. This made it difficult as I had to run out and get parts halfway through the install...not so bad if you know ahead of time and your car is not in pieces. I also had to remove some plastic on the inside of my rear door panels because the included adapters were too big...also not mentioned in the installation instructions. In all if everything was as it should be this would have taken me less than an hour but because of the issues it took 3 times that.

As for sound, they are OK. My Chevy had the worst factory speakers I have ever heard...I was expecting a huge difference, but its just not there. They are definitely a fair bit clearer...I think if I were to add an amp I would get the difference I'm looking for; they seem very under powered. I'm sure they will get better as they break in but I definitely wouldn't recommend bothering unless you're installing an amp as well or your speakers are blown or something.

AS ALWAYS POLK DELIVERS

Written By BJK, OKC on Saturday, January 18, 2014

PERFECT FIT FOR 06 AVALANCHE, FRONT AND BACK. PAIRED WITH A ALPINE SUB WOOFER, AND EXTRA BOAST STEREO HEAD.

Pros: CRISP CLEAR VOLUME, SPEAKERS ARE A BIT HEAVY, BUT SEEM TO MOUNT FINE.

Cons: I HAVE USED POLK EQUIPMENT FOR 2 DECADES HOME AND CAR AND BOAT. GREAT QUALITY AND GOOD PRICING.

Polk 2014 Ram 1500

Written By ET, Red Bank, NJ on Friday, January 17, 2014

Crutchfield Customer Review (What's this?)

No Bass. That's it in a nutshell. I'm no teenager anymore, but I've been installing and upgrading car stereos for 25 yrs. These speakers look nice, sound ok at low volume, but no noticeable bass I could detect. It was so bad I took them out and sent them back. Nothing against Crutchfield, as usual, they were quick to take them back. I just like to hear and FEEL the bass in the car, which these speakers just broke up and sounded like mud when I pushed the bass even a little. Granted they were 6.5's, and now I went with the original size 6 x 9's. A little warning on that with the Ram 1500's, you only have about 3' depth to work with on the front door speakers, the rear doors have almost no limit. The window bracket is in the back of the front door speaker, I got around it using a 1/4" spacer behind the speakers I went with, which, turned out to be the Kicker 6 x 9's. And those speakers kick butt!

Pros: Look nice, nice mid tones and up. Easy install.

Cons: No bass at all.

Polk Audio DXi651s

Written By Ray N., East Haddam Ct on Wednesday, January 15, 2014

Crutchfield Customer Review (What's this?)

love polk audio always sound fantastic

Pros: sound quality product quality

Cons: none

Excellent Speakers

Written By Joe, Hudson, NH on Saturday, January 11, 2014

Crutchfield Customer Review (What's this?)

These Polk DXi651s speakers were recommended by the Crutchfield advisor as a replacement for the door speakers of my 2002 Honda Civic EX sedan. They were a good fit using the speaker adapter bracket provided by Crutchfield. I only had 1-3/4" clearance between the face of the door and the window when it was rolled down. The top mount depth of these speakers is 2" and the adapter bracket provided just enough space to pull the back of the speaker away from the window. Since we had to remove the entire door panel of the Civic to install the speakers, I was concerned that the door panel would not fit over the speaker with the bracket but everything went back together without any problems. I love the way these speakers sound. They have a well balanced sound with nice crisp highs and a solid bass response. They are being powered by a Kenwood head unit that puts out 22 watts per channel with a maximum output of 50 watts. They would probably sound even better with more power but I'm happy with this set up. The construction of these speakers is of high quality and seem very durable. The speaker wiring harness provided by Crutchfield fit perfectly with the Honda plug and made the install that much easier.

Pros: Nice sound Perfect fit

Cons: None

Great sound and range

Written By Anonymous, Arlington, TX on Thursday, January 02, 2014

Crutchfield Customer Review (What's this?)

Great sound and range on these speakers. Third set of Polk speakers I've bought. Good choice again.

Pros: Sound quality even when cranked.

Polk Audio DXi651s

Written By Anonymous, TX on Monday, December 30, 2013

Crutchfield Customer Review (What's this?)

Clean, clear sound. Great replacement for factory speakers.

Nice Sound. Worth Every Penny.

Written By Andy, Celina, OH on Saturday, December 28, 2013

Crutchfield Customer Review (What's this?)

I put these DXi651s in the front door of my 2000 Chevy Siverado. They sound five times better than the horrible GM paper speakers ever did. The built in crossover to the aluminum tweeter is a nice bonus and the tweeter sounds crisp and clear. My head unit currently is stock with no amp. I know from other purchases of Polks that they sound even better with more wattage driving them. I would rate these five stars if they were made in the USA.

Pros: Great sound at a good value, builit in crossover, and the aluminum tweeter. Nice looking understated black speaker grills if you need them.

Cons: Made in China.

Polk Audio DXi651s

Written By John M., Waterford,Ct. on Tuesday, December 17, 2013

Crutchfield Customer Review (What's this?)

Clear sound for door speakers. Was what I was looking for. Delivery was very quick as promise. Have not ordered from Crutchfield since the early 70's was not disapointed then and remain happy today!

Pros: Very good name in speakers and a clear crisp sound. Well worth the money!!

Cons: There are none.

Polk Audio DXi651s

Written By Anonymous, New York on Monday, December 09, 2013

Crutchfield Customer Review (What's this?)

Just got these to replace factory set. Sound clear, fairly easy to understand.

Sound Great

Written By Aaron, Flint, MI on Monday, December 02, 2013

Crutchfield Customer Review (What's this?)

Replaced all four of my factory speakers and the sound is good even with the factory head unit. The bass and clarity are the biggest differences from the stock speakers. I will be adding an amp soon which will give these enough power to really sound awesome!

Pros: Sound great at a decent price

Cons: Wish I could have used the metal grilles instead of the plastic factory ones in my Jeep but they don't fit and the hole pattern didn't match

Great Speakers

Written By Danothered, Lakewood, CO on Thursday, November 21, 2013

Crutchfield Customer Review (What's this?)

I replaced the factory speakers in my 09 Civic with these. They sound really good and they fit nicely. The price was great too.

Pros: Fit, price, and sound quality

Cons: None

Nice replacement

Written By MikeS., Midlothian, VA on Tuesday, November 19, 2013

Crutchfield Customer Review (What's this?)

Nice replacement for the oem front speakers in my 2001 Chevrolet Silverado 2500HD Crew Cap. Installation was easy with the adapter and wire connecter supplied. Much better than the original paper cone speakers. I removed the factory tweeters since they were bad also.

Pros: Good quality and price. Pretty good sound.

Cons: Could be a litter better with the bass output.

Good upgrade

Written By Deggy, Deforest, WI on Thursday, November 14, 2013

Crutchfield Customer Review (What's this?)

I used these in the sound bar of my 2005 Jeep Wrangler. I upgraded to this size (standard is 5 1/4). Although Crutchfield doesn't acknowledge that these work because they are not a direct replacement, they do. Had make new screw holes, but it was easy. I recommend any jeep owner up-size their speakers (front can fit 5 1/4 too with a special bracket!). They sound great compared to stock. Its powered by a Kenwood Excelon KDC-X797 CD Receiver. The upgrade in size is much better and gives better bass response.

Pros: Good sound, Good value.

Rad Speakers

Written By Carolyn J, Delavan, Il on Monday, November 11, 2013

Crutchfield Customer Review (What's this?)

Speakers were just as described, at a price I thought was of value. As always I believe the Crutchfield name has high standards and I value the products you sell. The instructions were helpful, packaging was good and they arrived as promised on order. I have no complaints with anything I purchase from this company!

Pros: The name says it all, the products are always of the best standards and I get what I order without any mistakes on the ordering process. Any questions and there is always someone to answer my concerns.,

Cons: None I can think of, and that's a great thing!

Great on a budget

Written By AlexS, York, PA on Thursday, November 07, 2013

Crutchfield Customer Review (What's this?)

I put these in my 1994 Acura Integra LS fitment was fine I got these on sale so it made it even more worth it. I got these a month ago and they are hitting well for speakers on a budget. The mids and highs come through clearly there is only a little distortion at higher volumes which is normal.

Pros: Inexpensive, easy to install, much better than what was in my car, good mids

Cons: No bump

Polk Audio DXi651s

Written By Herbert, Bakersfield, CA on Wednesday, November 06, 2013

Crutchfield Customer Review (What's this?)

Good speakers. What I expected from Polk Audio!!!

Polk Audio DXi651s

Written By anthony, Norfolk, VA on Tuesday, October 29, 2013

Crutchfield Customer Review (What's this?)

They sound pretty good but with BMW's sound equipment I think a regular woofer would be better.

good speakers for sale price

Written By john, whittemore, ia on Monday, October 28, 2013

Crutchfield Customer Review (What's this?)

Had to replace door speakers in my 02 dodge ram and these speakers seem to fit the bill. Overall they do a good job.

Pros: clear highs

Cons: thought they would have a little more bass

Installed in '97 Dakota Ext. cab

Written By Clif, North Alabama on Monday, October 28, 2013

Crutchfield Customer Review (What's this?)

I'm satisfied with the overall quality of Polk. These were installed into a '97 Dakota Ext. cab. Sub-woofer would no doubt improve overall presence, but I don't drive all that far and am a casual listener.

Pros: Great clarity. Decent bass considering vehicle they were installed into.

Cons: They are COAX so some mid-range is somewhat subdued.

Not impressive

Written By Sparkplug, Dalton, Ga on Tuesday, October 22, 2013

Crutchfield Customer Review (What's this?)

These speakers