Customer Reviews

Negligible Upgrade

Had 1 blown 2021 Kia Rio S - front speaker, so thought I would upgrade my daughters sound system all at once. These speakers are NOT an upgrade to the OEM speakers as they produce no higher quality sound. I'm not sure why all the reviews are saying what an upgrade they are but they screwed me over by reading them. Instead of ordering 1 OEM factory replacement for less, I ordered 4 of these to change all 4 mid speakers. I actually do like infinity but can't be impressed when there is no difference or when after market speakers can't beat cheap OEM ones.

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Crutchfield response on 5/28/2025

Shane, 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.

Excellent replacement for OEM or crappy aftermarket speakers

Replaced this on my daily driver and i am very happy with the the sound quality from these two speakers. I replaced the front and can hear the full range and had the right amount of bass that I require as I am into clarity.

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Well-rounded crisp sound

What an upgrade! The free harness clips made it for a flawless plug n play install. My 89 Jeep XJ Wagoneer never sounded so good. The bass is perfect once you balance the EQ. Plus they're small speakers but really pack a great balanced sound.

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Great OEM Upgrade

Great OEM upgrade replacement that compliments original wiring.

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Graet sound out of a little speaker

Got these on sale for a great price. Used them to replace the stock JBL speakers on my wife's Toyota Highlander. Installation instructions were easy to follow. WOW! What a difference in sound quality.

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I'm always happy with Infinity

I installed these as rear deck speakers in my 1995 Honda Civic EX. In my case they did the job I needed them to do. They replaced some very old and cheap Pioneer speakers. Absolutely no trimming required, they dropped right into place and are clear and precise. Not very loud, but I wasn't expecting them to be very loud for 5¼" speakers so far away from the driver seat. I'm sure these speakers would benefit from a 4 channel amp, but overall I'm happy with them.

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Good overall sound, very smooth tweeter

I wanted a good quality speaker that would drop into the stock speaker opening on my 1991 Miata. These replaced a slightly larger pair of component speakers to avoid cutting up the doors - again. The older speakers were well regarded component speakers but I always found the tweeters a bit harsh. These Infinity speakers have a very smooth sounding tweeter that is much more pleasant. The overall sound is really good as well. I traded away a little bass with the smaller speaker size but in a noisy old Miata you cannot hear the bass well anyway :-)

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Great for the size

Really great. Surprisingly good lows for their size and I can crank them fairly high without distortion. Looking forward to adding a sub so I can eq the lows away from these and really let them shine.

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Infinity Reference REF507F

Solid speaker series and have had no issues

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Infinity Reference REF507F

With the adapter these speakers fit perfectly . The sound is greatly improved .

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Infinity Reference REF507F

Crisp and clear sound. Better than expected

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Exceptional clarity

These speakers have a very clear sound compared to other speakers I have used. The different instruments are more distinct. They also seem a little louder, maybe the slightly lower impedance is helping there?

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Infinity Reference REF507F

All of the free attachments fit perfectly which made for a very easy install.

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Good speakers

Higher efficiency than stock speaker in Ioniq 5, creates low end punch w/o boominess. Slight mod needed to fit in rear doors, but after using mounting bracket supplied from Crutchfield, went smoothly enough

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Impressive sound quality upgrade.

Installed in a 2006 Toyota Highlander with a Boss Apple-play stereo. These in the back door, Infinity separates in the front door. Car sound has gone from good transistor radio to quality audio system. Sound quality is what I would have expected in a more expensive speaker. Front speakers were an easy install but did require some wire cuts and splices. I had to call Crutchfield for tech support. They handled it quickly in minutes. It took me an hour to install and reassemble the door panel in front. Rear speaker were easier. Plug and play. I had both doors done and reassembled in 35 minutes. Very pleased with the whole process.

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Infinity Reference REF507F

great sound quality will defiantly buy again

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Infinity Reference REF507F

Just picked these up and love them. Smaller than my other speakers but they are louder and clearer.

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Infinity Reference REF507F

Installation was straight forward but I had to use new screws than the ones sent with the speakers . Sound is decent but lacks Bass.

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