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Customer Reviews

Infinity Kappa 683XF

Kappa Series 6"x8" 2-way car speakers

MFR # INFSPKKA683XFAM

Infinity Kappa 683XF

Infinity Kappa 683XF

Kappa Series 6"x8" 2-way car speakers

MFR # INFSPKKA683XFAM

5.0 out of 5 stars
15 reviews
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Infinity Kappa 683XF

Tom from Fenton, MI on 9/5/2023

2014 Ford F-150 FX4

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Verified employee review (What's this?)

Would have been a 5 star review if the instructions were better. Diskettes soils great, but no explanation was given for the range button for 0db or-3db selector. What different does it make in the sound? I can't tell!

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1 of 1 found this helpful

Very nice speakers

Joseph Andre from Coeburn, VA on 8/16/2023

2012 Ford Mustang

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High quality speakers that I would expect from infinity. The screw style speaker wire port is a massive improvement over slip on style posts.

Pros: Wiring port, great sound

Cons:

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0 of 0 found this helpful

Infinity Kappa 683XF

Dustin from Smithland, KY on 5/21/2023

2005 Ford Mustang

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Fit in the rear deck of my 2005 Mustang perfectly! They sound amazing! I wish they would have fit in the door too, but they are a little too tall. I have always been an Infinity fan since the 90's and these do not disappoint.

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0 of 0 found this helpful

The Best

Crutchfield customer from ROCKINGHAM, NC on 1/5/2023

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Let me start by saying Crutchfield customer service is the best of ANY business, of any kind, anywhere in the world. If you are not sure of the components to use, or where to start, then you have found yourself at the correct place. I ordered two sets of Infiniti research 6x8 speakers. I was not happy with those. Sent them back no questions asked and reordered Infiniti Kappa 6x8. These speakers sound awesome. One of the speakers was not working on arrival. Called Crutchfield and they sent another box of two speakers that were here in two days. While in transit the other speaker blew. Changed the one and replaced the other. Have not had a problem since. They are breaking in nicely and would recommend.

Pros: Great service

Cons: Durability?

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0 of 0 found this helpful

Very satisfied

Isaac from La Crosse, WI on 10/12/2022

2006 Lincoln LS

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Overall sound is very nice, clear highs, punchy mids, and good bass. They also look amazing and have a cool directional tweeter which is awesome.

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2 of 2 found this helpful

Infinity Kappa 683XF

Harrison Saw from Atlanta, GA on 10/5/2022

2011 Ford Mustang

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Very high quality sound!

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1 of 2 found this helpful

Impressive full range sound

Michael from Wolcott, CT on 9/28/2022

2013 Ford F-150 XL

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Very impressed with these Infinity Kappa speakers! They fit my 2012 F150 doors perfectly. Way better full range sound than the Pioneer Speakers and Factory Speakers. Even without my subwoofer these speakers generate impressive low end response.

Pros: Fit F150 door perfectly. Screw terminal connections easy to work with. Tilted Tweeter aims highs up for better sound.

Cons: Can't think of any cons...

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1 of 1 found this helpful

Infinity Kappa 683XF

Armando from Greeley, CO on 7/11/2022

2001 Ford Mustang

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Very well made speakers. Great quality .

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1 of 2 found this helpful

Very Happy

George from Cushing, WI on 5/30/2022

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Put these into a 2001 F350 7.3l - Sound fantastic - While the description says these will only fit the rear door, they will fit the front if you Very Very gently warm up the OEM speaker grill and push it out slightly.

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2 of 2 found this helpful

Pounding Bass

Sean from Bluffton, Sc on 3/20/2022

2003 Ford Mustang

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They hit like subs, very good product, completely changes the vibe in the car

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2 of 2 found this helpful

Infinity Kappa 683XF

Richard from Oreland, PA on 3/18/2022

2013 Ford F-150 Platinum

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Would have given 5 stars if instructions were alo better

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1 of 5 found this helpful

Great full range sound.

Jason from Farragut, TN on 3/1/2022

2000 Lincoln LS

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Good overall sound. The tweeter has nice, blending highs that are not too harsh. No listener fatigue that I have noticed so far. Good mid-bass. Not much on the lowest end, but I was able to adjust my bass eq settings to get good overall full range sound from these with no subwoofer. I would buy again.

Pros: Great overall sound.

Cons: None

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2 of 2 found this helpful

Infinity Kappa 683XF

Greg from Chillicothe, OH on 12/22/2021

2013 Ford F-150 Lariat

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Verified employee review (What's this?)

I've wanted to do a simple upgrade of the "premium" speakers in my 2013 F150 since I bought it new. Just one of those things easy to put off. Finally pulled the trigger last weekend when I saw the sale on these Kappas. Needless to say, it's a night and day difference. The crisp clarity and detail is astounding, when compared to the crap installed at the factory under the Sony System name.

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12 of 13 found this helpful

Speakers

Crutchfield customer from Fairfield, CA on 12/4/2021

2004 Toyota Tacoma

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These things are amazing, want Clarity & punch these are the ones , very happy with my purchase

Pros: The best

Cons: None

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1 of 1 found this helpful

Sticking With The Infinity Brand

Crutchfield customer from Ashburn, VA on 10/2/2021

2006 Ford Mustang

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I bought these Infinity speakers to replace some Alpine R-Series 2-way 6.50 inch speakers for the rear deck of my 2006 Mustang GT. I have these new speakers paired to my Pioneer AVIC-5201NEX Navigation receiver that is only capable of 50 watts peak X 4 channels. The Alpine's were about the same price with very similar specs, but they only lasted a year before one started rattling badly somehow even though my receiver was not capable of blowing them and absolutely zero sun exposure due to my rear window louvers and dark UV protected tinting. When I received these Infinity speakers, I could clearly see the superior design compared to the garbage Alpine's. I also have 4 Infinity Kappa speakers installed in my pristine 2001 Ford Escape which sound amazing with a sub woofer and still going strong after 5+ years - lesson learned. They're relatively pricey, but you get what you pay for in this case. I'm very happy with my purchase.

Pros: Superior Design; Excellent Sound; Infinity Reputation; Proven Longevity

Cons: None

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8 of 8 found this helpful

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