Customer Reviews

Factory speaker was better.

Bought these to replace factory 4", 4 Ohm, 10-25 W Blaupunkt in my 1986 car. I'm thinking the 2 remaining Blaupunkt speakers which actually have larger magnets, sound better than these. I hoped for more for the price.

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Great Upgrade to stock system

The full range quality of the sound of these speakers defies their compact size. They are first sound system upgrade in my 99 Boxster, and they proved to be transformative. I had to cut some tabs in the stock speaker brackets that are very proprietary to Porsche, but it was well worth a minor effort. They are now solidly mounted. Thanks to Crutchfield adapter cables, they were simple to hook-up. Very happy with the purchase and I'm a big fan of Crutchfield as a supplier.

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Smooth like butter!

I love how it sounds comparing to other brands. The high is not exaggeratedly standing out while maintain the great balance between bass, mid, and treble. With that being said, the price tag is still a bit high, not cost effective.

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Excellence

Always do business with this company they have the best products every time Donna have a question they gave me the right positive answer as always my family friends and relatives are always been doing business with this company and I will keep continuing

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Will not fit 89 VW Vanagon

These would not fit in the factory opening. The problem was the area where the wires connect.

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Crutchfield response on 7/31/2024

Warren contacted our Customer Support team and set up a return. Purchases from Crutchfield can be returned or exchanged within 60 days.

The Best 4' for all around sound

The site said it fit in my door but It sure did! These speakers are truly next level. this is the most money I've spent on car speakers yet and it's been great investment. These speakers aren't as bright so you may have to raise volume a bit higher, but they sound amazing. Vocals are smooth and crisp, mids are just there, you notice them. I'm hearing things I haven't heard before on other speakers and the highs are not too bright but have a great presence. Overall if you want a GREAT set of speakers for your vehicle, please get the whole set of these, not just the front. I have them in all corners in my car and it's just spectacular how they sound. You won't regret it. I sure haven't for the past 3 weeks.

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JL Audio C2-400X

Sound great, as expected from JL.

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Great sound

Clean and crisp sound. Very high quality.

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JL Audio C2-400X

Great sounding speakers in a small package, silk tweeters aren't bright like the aluminum ones are, very smooth sound.

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Jl audio does it again !!

The C2 400 coaxial speakers sound great. Much better than expected. Wonderful and smooth sound

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Packs a punch

Amazing sound for a 4 inch speaker

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Jl Audio C2-400x Speaker Insall Jeep Wrangler JL

Still in break-in period, however sounds great right out of the box. Good base

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JL Audio C2-400X

JL Audio is the goat

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JL Audio C2-400X

Using these as the corner dash speakers in 2022 Ford Bronco. They fit and perform well as factory replacements in the B&O package.

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JL Audio C2-400X

Really pleased with fitment and sound.

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JL Audio C2-400X

Product sounds great, fits great, and the customer service was great, shipping was fast, from ordering product to receiving product was hassle free, I plan on during more business with Crutchfield thanks

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JL Audio C2 in my YanmarSv-40

Put these little guys in my New Yanmar Sv-40 excavator. The sound is amazing! Almost every thing I own with a stereo has JL Audio speakers now!

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The bees knees

Bought these because they were some of the slimmest speakers in the 4" line to put into a new holland t4.75. Am also running a Bluetooth kenwood amp in there. I wanted something a little more premium so I didn't blow them up. Not saying I won't, but these things rock. No distortion when the volume is turned up, and crystal clear sound. Would recommend.

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JL Audio C2-400X

Considering that the original speakers in my '99 Boxster were disintegrating, these are quite the upgrade! They sound great with the new Alpine head unit and respond beautifully to equalizer changes to suit the music and/or circumstance.. Top up; Top down. Install in the dash with proper adapters was easy and w/o drama. Thanks Crutchfield ??

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Satisfied 360

Put these in to replace factory beamer speakers. Awesome clarity. JL is just amazing.

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2004 911 Porsche

I installed these in my 2004 911 Cab in the dash and rear seat panels. Slight mods (dremel tool does wonders) to the stock speaker retention housing. Sound much better than the stock Bose speakers from 2004. Great advise from Jody to buy these.

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JL Audio C2-400X

did not fit application as stated.

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Crutchfield response on 3/29/2022

William contacted our Customer Support team and set up a return. Purchases from Crutchfield can be returned or exchanged within 60 days.

JL Audio C2-400X

Easy install, will do more!!! Excellent product????

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JL Audio C2-400X

Great sound!

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JL Audio C2-400X

Great little speakers! Super crisp, clear sound.

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JL Audio C2-400X

After trying and returning the Rockford 4" speakers I bit the bullet and went with these JL's. Glad I did. I put these in my Sprinter/Winnebago where I spend a lot of time and needed the best 4" speakers I could find for the money. These have a nice, well rounded sound and can handle everything but the low thudding bass at high volume. (My vehicle is a turbo diesel that produces quite a roar when climbing hills, it is only at the volume needed to overcome that roar and the deck set on "Dynamic" which accentuates the bass does the low, thudding bass deteriorate.) I have over 40 hours of listening now and given these are 4" speakers I am very pleased. Note: These did not appear as a fit for my vehicle (2006 Dodge Sprinter) but after talking with a Crutchfield tech I gave them a try. Installation required minor customization to the speaker hole to get a secure installation- no problem.

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JL Audio C2-400X

There great, produces nice bass, while still giving out nice mids and highs. Highly recommend these and would buy them again, they are amazing!

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JL Audio C2-400X

Amazing little speakers. Very sensitive and boost a good amount of bass. They shine with mid and high range.

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JL Audio C2-400X

Awesome sound! Great fit, and quality construction.

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JL Audio C2-400X

Sounds pretty good. Blew the factory 4x6s with the unit amp combo I pit in and replaced with these.

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These little speakers are quite amazing!

Purchased these to replace front door speakers in a 1989 jaguar XJS which has 4" speakers front and rear from the factory. The speakers are being driven by a 4 x 150W amp. The base from these little speakers is quite amazing! add that to the crisp highs and rich midrange, you'd be hard pressed to find a better performing 4" speaker in this price range. I had originally planned to install a pair of Polk DB501 that had had left from a previous project, but was so impressed with the JL audio C2-400X I purchased a second pair.

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JL Audio C2-400X

It's tough to believe you can get this much range from a 4" speaker. They sound great. I bought these to upgrade the 30 year old 4"x6s" in my summer car and they sound as good as the high-end system in my daily driver. Definitely a good buy.

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JL Audio C2-400X

Bought these and put them in,a day little one if them started to pop when volume was turned up. Very disappointed...

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Crutchfield response on 5/11/2020

We're sorry you're having issues with your speakers. Whenever you encounter a problem with anything you purchase from Crutchfield, please contact our Tech Support team. They can help you solve the problem or set up a return within 60 days of purchase. Lifetime tech support comes with every Crutchfield purchase.

JL Audio C2-400X

Great upper end bass!

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JL Audio C2-400X

Great flexibility, amazing sound!

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Great sound,great price

Used these to replace my blown 4x6 in my 09 single cab Silverado great sound great product. Will be buying 6.5 c2 from Crutchfield soon...

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JL Audio C2-400X

Great sound for such a small speaker. Perfect for my application.

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Great quality

These are pretty great speakers. Originally had them hooked directly to the head unit and they sounded pretty good but once hooked to an amp they sound great. I have this set in the dash directly next to each other and having the added mounting plate it made the custom install a lot cleaner and easier. With a high pass filter they put out some great mid-bass and the tweeters are not harsh. I have these paired with 1 Infinity Kappa 6.5" coax. The Kappas have a higher pitched tweeter but i think the JLs have a better balanced tweeter. I wish I would have went with the matching JL 6.5" coax as these 4" speakers sound great.

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Great sound quality

These pair of 4" coaxials have good output. In crisp, clear, and undistorted sound quality. With lower power needs these speakers will work in almost any 4" speaker system. I am very pleased and happy with the purchase of these speakers.

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JL Audio C2-400X

Rich sound

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JL Audio C2-400X

You know your getting the best with jl and Crutchfield is always on point

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JL Audio C2-400X

Great sound, Used in the pillar of my Chevy truck. Don't expect too much power, they're only 4".

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JL Audio C2-400X

Great product. Sounds great!!

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jl

I love these speakers. They pack such clear sound In a little package!

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JL Audio C2-400X

Great upgrade from stock speakers, sound great using aftermarket stereo with out amp

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replacing original speakers

Good quality but I expected more from JL speakers

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JL audio C2-400x

I am very happy with the speakers. It was worth every penny and the time to put them in. I also put C5-525 speakers in the rear. I can drive in my Lotus-Elise with the sound turned down and hear every nuance of the music. I have not replaced the original head unit and the sound is soooo much better than the original speakers. I wish that I had replaced the speakers long ago. I had no idea that there could be such a huge change in sound.

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Great sounding coaxials

Replaced an old set of Infinity plates with these and the sound is great!

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These are great little speakers!

For all of the folks who want a clean, rich, full bass tone - these are great! I have 1" tweeters in the doors and 3-way 6x9's in the back dash. After I installed these I get a bass sound that fills the car. It completes the sound. I've seen people write about sounding tinny but I think they are finally hearing notes they hadn't heard before.

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JL Audio C2-400X

Very nice speaker. Very clean and crisp. For the money you can not beat these speakers.

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Tinny Sound

I hate to say this after spending this kind of money, but the factory speakers in the rear of my 2011 Chevy Express van sounded better than these. I realize that, due to the cavernous space, a 4" speaker won't provide the performance of a larger speaker, but I was expecting more than what these provide. There is no bass response and an overall tinny sound from these speakers.

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JL Audio Evolution 2

I installed these speakers in a 1951 Ford F-1 that I am refurbishing. I was limited by available space, so the 4" speakers were the most logical choice. They sound surprisingly good for 4". I would recommend this pair of speakers

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JL Audio C2-400X

Better than stock by far should have gotten some bass blockers though. Sounds come from back seat sound much better than they used to.

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Decent Speakers

I purchased these speakers around 8-9 months ago. I installed them into my 2006 Jeep Wrangler Sport and wired them onto my aftermarket head unit (50 watts per speaker) quite painlessly after a quick delivery from Crutchfield. After a few minutes of listening I quickly noticed 2 things. 1. The highs and mids were of AMAZING quality 2. The speakers shake a LOT when the bass boost is anywhere from -2 to 12. The only way to get it to not shake and be annoying is by turning the bass down to anywhere -3 or below. Good thing I have a nice subwoofer. With that said I had these suckers installed at the end of fall / beginning of winter. I like blasting my music, which was not a problem when the top of the jeep was always up in the cold winter weather. However as I got into spring and summer I realized these speakers are NOT meant for blasting purposes in a Jeep Wrangler. While the quality of the music is quite nice, it just isn't loud enough when the I'm driving topless. I have to strain my ears to hear the speakers when driving on an interstate. I am a firm believer that if you are driving a convertible, there should always be a volume that can be reached to hear without losing quality. Conclusion: the quality of these are amazing for the highs and mids, while not so great for the lows. The potential volume of these speakers is not loud enough to be used in a convertible! Beware to all you convertible owners! Save these speakers for your sedans and coupes!

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Awesome sound for this small speaker

Installed these speakers in my dash of my 91 Camaro. Stock size was 4x6, these came with adapters in the box, it was great! I am using a new Kenwood deck that's rated 50x4 per channel, 22 RMS watts output. Turned up loud with bass up decent amount and bass boost all the way up these speakers don't even begin to destort, they are awesome. Clear highs and greats lows for being so little. Perfect for dash and or door speakers because the highs are so great and then you can add some bass to the rear of the car if you want. I am assuming because of the quality of these speakers that's why they are so deep in deminsions. I would measure first to make sure they will clear, cleared my dash by about a 1/2". But luckly the tweeters have a nice bar to protect them as well. Oh, the baffle boxes are totally useless! Only add to the depth issue and then you have to poke the screws through them and make sure it goes into your proper screw holes in the car. Plus, you should cut about a 1" or so hole in the bottom to give it a more ported sound, deeper bass in other words. But I ended up tossing them. But if you have the depth for them then I guess they are ok. Again, measure first! You WONT be disappointed either way, worth every penny! Got the matching rear speakers too and it only makes the whole system sound even better :)

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These speakers are worth it

I have tried many 4" speakers in my van, always looking to get the last bit of aural quality out of my system. I have a high end JL Audio 4X100 amp, the Alpine CDA 9887 deck, which has the best sound shaping system, and the 6" Bazooka's pointed into a corner to emphasize the low end. Based on "Michaels" testimonial of the JL Audio Evolution C2 speakers in the Crutchfield catalog, I decided to take a chance and bought them. I was pleasantly surprised how the JL Audio C2400x speakers brought the music to life. Mannheim Steamroller's "Christmas" album, for example, sounds absolutely fantastic. Each note is delicately but precisely presented with all the punch and sparkle you could ask for. Listening to the album is now even more satisfying then before. And the Crutchfield service was excellent, as usual. I got delivery in a couple of days (not bad for Hawaii).

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A lot better than you'd expect

The Monsoon stereo in the grand am GT just isn't any good. Originally, considered only replacing the rear 6 X 9 speakers because one was blown. Decided to go full out JL Audio but maintain the factory head unit. Replaced the front woofers with the 4 inch JL Audio C2's. Replaced the rear 6 X 9's with JL-TR series 6 X 9's. Because of the goofy monsoon setup, only wired the rears with the low frequency wiring from the monsoon (bose) amp. Ignored the high frequency wiring from the factory amp for the 6 X 9's all together. Now, with the C2's in the front, my front stage sounds absolutely amazing. And with only mid/low frequencies to the rear, the car images very very well now. Where you have observed in the past and might assume in this case that the soundstage would be pulled to the rear because of a considerable larger speaker being mounted high in the rear deck, the car truly doesn't sound like you'd expect. The low frequencies are of good impact and image as though there is a much larger woofer in the front of the vehicle. I'd almost recommend sound deadening your doors after the install of these C2's! These speakers remain very linear at high volumes and I've yet to notice low frequency distortion from the front stage. I'm highly highly impressed and wonder just how much better they'd sound from a real, amplified, crossed over setup!

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