Customer Reviews

Great stock replacement/upgrade

Got these to install in my wife's 2002 trailblazer. The old speakers were on their way out, so these are definitely an upgrade. Clear, Crisp, and Louder for sure. Did not buy specifically for bass, but can tell an improvement there as well. The install instructions provided by Crutchfield made the process an absolute breeze as well as the harness adapters so I didn't have to cut, crimp, or solder.

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Infinity Primus 603F

Easy install, wanted something to upgrade from stock, and for the price just what I was looking for! Sound great with factory head unit as well.

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Great speakers on a budget

Substantial improvement over my factory Subaru speakers, punchy bass clear top end and a lot more output without having to crank the radio. Getting the included wiring adapters with my order also made installing these nearly plug and play. Very happy with Crutchfields recommendation of these and my purchase.

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Great upgrade from factory

Replaced the speakers in my niece's Subaru with four of these. They fit perfectly, sound great and make the factory radio seem better than it really is. Highs to lows, they perform well with enough bass to notice a reasonable bump(nothing replaces a good sub) and the mids, vocals and highs still shining trough nicely. Made a niece very happy.

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Sound improvement

Great improvement over the factory speakers. From music to talk radio the sound is excellent. One of the best parts of the purchase is that Crutchfield will provide the connectors and adapters for the speakers free of charge.

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"Nice clear sound"

Perfect speakers for OEM replacement. The sound difference is huge, the speakers look sturdy and well built. I would buy again. Highly recommended

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Infinity Primus 603F

These speakers are an excellent replacement for factory speakers. My factory speakers died and I replaced them with these and everything was sooo much better!

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Infinity Primus 603F

Much better than my old ones

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Very good price and quality to replace factory door speakers.

Good price, sound wonderful. Very pleased with this purchase.

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Infinity Primus 603F

A great choice for a two channel on a budget. It was a significant upgrade to the factory speakers.

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Infinity Primus 603F

Nice sounding speaker, the clarity of the tones over OEM speakers is a tremendous difference.

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Infinity Primus 603F

Cant beat the sound for this prize

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Prett 'Meh!'

Not bad - but not the upgrade I was expecting from factory speakeers. I may have to put the originals back in...Im not sure why they were so disappointing?

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Crutchfield response on 5/28/2025

Brian Lee, we're sorry you're disappointed with your speakers. Whenever you are not completely satisfied with anything you purchase from Crutchfield, please contact our Customer Support team at 1-800-955-9091. Purchases from Crutchfield can be returned or exchanged within 60 days of the purchase.

Quality

Install was easy and sound is amazing!

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Great Value with terrific sound clarity

These sound great. The upgrade I was looking for without changing the head unit or adding an Amp. I was hoping for clarity and a little punch- exactly what I got. Install was very simple with the free adaptors and wiring harness included. Directions were very helpful. It took me about 90 mins to complete 4 doors on my 2019 Tucson -

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Infinity Primus 603F

Sound great. They were simple to install on our VW. Provided connectors also fit perfect.

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Great budget driven option.

Good sound quality with a low power head unit.

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Infinity Primus 603F

Easy install. Worked perfect for my 2006 Buick Lucerne CX. Good bass with factory radio and 2 original tweeters and 2 original rear speakers. Can't wait to upgrade the rest.

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Infinity Primus 603F

sounds great perfect fit great product will buy again

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Great Sound

Excellent sound quality for an amazing price. The included instructions and install kit made for a seamless install.

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perplexed

Was expecting something a little heavier. Actually, I haven't installed them yet. While doing a final listen before disassembly I discovered that the cracking noise is coming from the subwoofer. And I am not having any luck finding a direct replacement, other that used sub's on the online auction site.

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Infinity Primus 603F

Honda brackets were a perfect fit

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Overall great sound for the price

I bought these to replace the factory door speakers in my 2023 Kia Rio. Paired with a Kenwood head unit I already had installed they sound great and seem like a great value!

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Spend the money and do it right the first time!!

Would definitely purchase these again! Great sound and bass even for a 6.5"! I can turn the volume up without distortion or crackling.

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Decent upgrade but nothing amazing

I think they are much better than the stock speakers, but they don't seem as powerful for some reason. The clarity is amazing though. They are rated at 45 watts and my deck outputs 50x4 so it should be louder with the Inifinitys. Maybe I was expecting more from a budget set of speakers. I'm going to install sound deadening in all 4 doors, maybe that will be the final touch.

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Couldn't be happier!

Exact fit for my 2000 Chev. Suburban. Sound is fantastic. With included FREE wiring adaptors, job took less than 15 minutes. Couldn't be happier. Thanks Crutchfield!

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Infinity Primus 603F

Sounds great!

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Infinity Primus 603F

Nice speaker great sound

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Great speakers

Great speakers with much better clarity than stock. The lower resistance also helped allot with an older headunit without an amp.

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Perfect Speakers!!!!

These speakers are definitely high quality. They came well packaged and with all the parts I needed to install them into my 2018 F150. Installation was easy and they sound great.

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Infinity Primus 603F

Although these speakers were an easy installation in my car, I'm giving them the benefit of the doubt: my car just doesn't send enough power to the rear doors, where I installed these, so while they probably sound great, they're rarely noticed.

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Full bodied sound

Great sounding speakers and a big thank you to Olga who helped me with a return and selection of these speakers

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Infinity Primus 603F

way better than stock

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Infinity Primus 603F

Driver side speaker sounds good, passenger side speaker sounds kinda blown out of the box. Not super impressed but the one that does work sounds great

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Crutchfield response on 12/23/2024

Drew, 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 right away. They can help you solve the problem or set up a return/exchange within 60 days of purchase. Lifetime tech support comes with every Crutchfield purchase.

These speakers are awesome!

Speakers worked great on my 2004 Chevrolet Trailblazer. Driver front and rear went out and replaced with these. Sounds amazing compared to original speakers.

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Infinity Primus 603F

Got these for my Honda CR-Z (360w stereo system). Definitely an upgrade from the stock door woofers, and the bass is a lot punchier. Overall solid speakers!

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Infinity and beyond

Cost and performance ?? of course the Crutchfield team knew what they were doing and were able to suggest an upgrade to my stock speakers as well.

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good replacement speakers

very good sound and good price

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Infinity Primus 603F

Buying from Crutchfield is great, because you get everything you need. Like speakers I got for my Trax. The support at ordering, everything like bracket for speaker, harness and tech support to make easy. Price is great. Make sure you buy sound damper for your speaker it make your speaker sound good.

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Infinity Primus 603F

Great sound, no issues with fitment. Worked well with aftermarket brackets and wire harness adapters.

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Infinity Primus 603F

Meh. Not the best. Definitely something you would use for highs only. They can handle some power and produce accurate sound, but it's basically a tweeter. I expected much more range. I know they're not expensive but I have installed cheaper brands and gotten the same sound quality for half the price. The Infinity name has been diluted, like many others. It was a big job installing these so they're here to stay, but I would not buy again.

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Infinity Primus 603F

They sound fine, good fit, easy installation.

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Infinity Primus 603F

Sound good for the price. They lack a little midrange and have a weird bump in the upper bass region.

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Infinity Primus 603F

I installed these speakers in the front doors of a Lexus RX350. The sound is good, but the bass is somewhat lacking. The bass sounds good until I turn the sound up. At that point, the bass cracks. It would probably sound better if I installed an amplifier, but I had previously purchased a pair of Rockford Fosgate RX165X3 speakers for a different RX350 and have not had any issues with the bass overloading with the volume turned up. I would love to return the Infinity Primus and get another set of Rockford Fosgate, but I already threw out all the packaging for the Infinity speakers.

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Better than stock

These are a fine upgrade to the stock factory speakers in my 2022 Tucson Hybrid Convenience SEL. I replaced the front door speakers with the 603CF as well and all are driven by a Kicker Key 200.4 DSP amp installed and set up by a pro (NOT me). The installer's opinion was that the 603 can be 'a bit skreechy' but I listen tho Grado headphones and Klipsch home theatre, so I like a mid -forward presentation. Hearing vocals over road noise is also important to me.

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New sound for my old Fit

Everything needed for installation was included and made ir easy. Speakers have crisp highs and a solid midrange.

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Infinity Primus 603F

The speakers work well but I had to get creative with the installation. I was able to cut apart the old speakers and use the frame to mount the new speakers to avoid drilling holes in the door frame

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Infinity Primus 603F

Crisp sound.

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No bass at all

Put them in a 24 Versa,I knew they wouldn't have any bass,clarity was ok.Took them out and bought baffles for The factory speakers, If you're a person that needs at least some bass without adding an amp,then do what I did, keep factory speakers and buy baffles and keep factory's in. sound is really not that bad

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Crutchfield response on 9/11/2024

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

Easy install

Good speakers easy to install. Now I have to upgrade radio in truck

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Absolutely worth it!

Installed these in the front doors of a '23 Elantra. They are a significant upgrade from stock. They are much more clear and I can turn them up higher without experiencing any distortion. I am running them off the stock head unit. An added bonus that I appreciated was the harness they supplied so I didn't have to cut/splice the stock harness and therefore keeping the stock tweeter in line as well. I'm glad I called and talked to Rex because I was way off on what I needed and he got me what I needed for way less than I expected to pay.

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Infinity Primus 603F

great speakers were not plug and play although a little work i made them work

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Infinity Primus 603F

Amazing sound

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Great Sound

They sound amazing and fit perfectly in my 04 GMC Sierra.

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Just perfect

This set was purchased for my rear doors. The built-in tweeters are really great. I was looking to upgrade my stock Kia Sorento which has no amplifier. This upgrade was perfect for me.

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Infinity Primus 603F

sound great

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Infinity Primus 603F

They sound much better than the factory speakers in my Kia K5

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Infinity Primus 603F

Warm and full-bodied sound. Clean highs, solid mids.

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Clear, efficient, lacks a little bass

I bought these due to their high sensitivity to run off my factory head unit. I've used the JBL clubs for this in the past. The infinity set is louder with a more active tweeter. The JBLs are definitely punchier. If you are adding a sub, I like these a lot. Otherwise, might go with something with a little more low end. For the price, pretty hard to beat though

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Awesomeness

These speakers sound good in my car with the stock deck, wil definitely be getting the rears and tweeters! Also thanks crutchfield for supplying the brackets and wire plugs, I think this is awesome extra service for your customers! Will definitely be a long time customer of crutchfield from now on!

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Would have loved em if they actually fit my vehicle

Would have probably been good speakers but their not even the same size as my factory ones and I damaged one trying to install it so now I have junk speakers still. Until I can buy the right size 5 1/4" which Crutchfield says doesn't fit my 07 Dodge ram rear doors. These do not line up properly to drill holes and make them work.

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Crutchfield response on 3/25/2024

Once we saw this review, our Tech Support specialist, Scott, reached out to Zachary to help him further. Whenever you encounter a problem with anything you purchase from Crutchfield, please contact our Tech Support team right away. Lifetime tech support comes with every Crutchfield purchase.

Infinity Primus 603F

Big upgrade from the stock speakers. Sound is great!

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Clear music

Crisp and clear. Can not stress the clarity enough. Enough bass drive to satisfy my tastes Exact fit in my vehicle. (Specific recommendation from Crutchfield), nailed it!)

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Infinity Primus 603F

Great sounding speakers and as always super easy to install from Crutchfield!

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A great upgrade!

I've had my 2021 Nissan Rogue for about month and the stock stereo is underwhelming at best. I didn't want to go crazy but wanted to improve the sound so it wasn't so muddled. A couple of local shops told me I needed amps, new speakers, etc. but I thought for sure a set of decent speakers would get me where I wanted to be. Being a 2 ohm system I was pretty limited but thankfully I found these 3 ohm speakers that worked just fine. I hadn't noticed how little sound the backseats got until I read about it and actually sat back there. These made a huge difference. I'm not sure if they are just more efficient or what the deal is, but they are a lot louder and richer....then again if you've seen the stock speakers I guess it's not a surprise. It's much, much clearer now! I have the treble and bass both higher than I did with the stock speakers and they handle it very well. There isn't a ton of bass, but I knew there wouldn't be. That said, it is clearer and more punch less boom.

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Great upgrade for Tundra

Purchased along with 503F's for the front and rear doors of my 2018 Tundra. Fantastic upgrade over factory stock and exceptional value (4 speakers for under 125) They have the clear full sound you expect from Infinity.

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Infinity Primus 603F

Absolutely love the quality and clarity these speakers provide

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Infinity Primus 603F

Nice wish they had grill

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Excellent, Excellent, I would buy them all over again from Crutchfield

I installed these Infinity Primus in my dodge pickup, what a change, excellent sound, my stereo has never sound so good!! Crutchfield gave me guidance what to buy to go with my infinity amp that came installed with the pickup, and all the speakers were easy to install with the provided free speaker wiring harness adapters, plug and play!!!

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Photos spot on

The directions provided by Crutchfield were spot on in providing step by step process of removing the door panels to the old speakers and installation of the new speakers. Photographs very helpful. My friend having a door panel removal tool was extremely helpful. I would suggest any do it yourself person have or get this tool. Speakers were an upgrade from the factory ones, new sound in very good.

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Happy with sound

I received My Infinity speakers I installed them in my car in about 20 minutes 30 tops the sound quality with my Xfinity subwoofer is the sound I was looking for thanks for your quick delivery and looking forward to do business with you again thank you

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Great Trebble.... Not so great Bass

Install them as a stereo upgrade on my 2019 Hyundai Santa Fe, trebble upgrade is awesome, so much I had to kick it a couple of knotches down.... Bass in the other hand... not so great, the distord on mid to high volume and I can even say the cardboard standard speackers that came with the car had a little bit more punch to them.... a bit disapointed.

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Infinity 6" speakers

Nice clear sound. 10x better than factory speakers.

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Good

Went on easy

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Infinity Primus 603F

Solid upgrade from 5.25" factory rear door speakers to 6.5" infinity's. Solid sound upgrade with clarity - very happy. Easy install - harnesses supplies worked perfect

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Works with Silverado

Used these in my 2004 Silverado front doors. Fit perfectly and sounds fantastic.

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Infinity Primus 603F

good balanced speaker.

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