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120W Peak (60W RMS) 4" 2-Way KS Series Coaxial Car Audio Speakers
Product highlights
• Peak Power: 120W
• RMS Power: 60W
• 1/2" Balanced Dome PEN Tweeter
• Mounting Depth: 1-13/16"
• Injection Molded Polypropylene Woofer Cone
• 4 Ohm Impedance
• Sensitivity: 88dB
Install New Speakers in select 1990-2021 vehicles from Chevrolet, GMC, Buick
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300W Peak (100W RMS) 4x6” CS Series 2 Way Coaxial 4-ohm Speakers
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Does a serious factory upgrade, with more muscle at an affordable price, sound too good to be true? What it sounds like are some of the loudest, clearest coaxials ever hidden behind a door on under a back deck.
Give factory sound a serious power injection with a KS-Series Coaxial Speaker upgrade. With added improvements on the woofers and tweaked tweeters, dropping them in where factory speakers were seems like a no-brainer. The curvilinear, gray woofer cones, Santoprene surround, and newly designed basket give KS Coaxials the extra brawn to deliver a smooth, rich sound at any volume.
The tweeters contain a stout neodymium magnet dipped in ferrofluid for maximum coolness, recreating highs that rival live performance. Give your system the upgrade that it deserves with Kicker KS!
Priced Per Pair
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(newest, current model)
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(previous model, replaced by Kicker KSC44 (41KSC44 ))
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(previous model, replaced by Kicker KS40 (11KS40))
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(previous model, replaced by Kicker KS400)
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This item is currently not eligible for our low price guarantee. This may be due to supply constraints, manufacturer restrictions, or another reason. We're always here to help you get the best price possible so give us a call or email today. Our experts will do their best to build the system that works for you within the rules.
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Manufacturer:
Model Number:
11KS40
Weight:
3.85lbs
Internal SKU:
11ks40
Internal Product ID:
29879
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Great value, great product
Using as a replacement for factory 4" 79-93 Saab 900 dash speakers. They sound great, and don't flinch when I turn them up with my 55W/channel Sony head unit. Bass doesn't 'thump', but they're 4" speakers...(I don't know of any 4: speakers that "thump".) I plan to put a sub in my trunk and divert the low frequencies there eventually.
15 found this helpful
These little guys are awesome. The magnets are HUGE. I actualy had to fight when installing them to keep the magnets from jumping to the metal of the door. The speakers are well constructed and sound awesome. Be aware that many cars will require a mounting bracket.
12 found this helpful
great sound from such a smll speaker.....gets LOUD!
Using these in a 3" to 4" PVC elbow w/ spacer speaker tube on my motorcycle with a Kenwood KAC-1502 running them. I have my iPod for music. Sounds great for a 4" speaker (even good bass for a 4" speaker). I put a port on the PVC as well with a plug I can put in/take out. Looks kind of gaudy up on the bars. But, the sound outweighs that in my opinion.
12 found this helpful
Great replacement
Great replacement 4" speaker. Didnt expect much from such a small speaker, but these are much better than I expected!
9 found this helpful
Good sound great value
Needed a stock size replacement for my 4Runner's in-dash speakers. These had the best materials for the price and I still like the way they sound for 4" speakers; They give about as much quality sound as you can expect for a speaker that size. Extremely easy to install, did it myself.
7 found this helpful
Big things DO come in small packages!!!
I purchased these speakers to replace the 4" speakers in my boat, thinking that I'd get my $'s worth if they lasted a couple of years in a marine environment. These speakers are phenomenal!! They are a perfect front stage speaker (w crystal clear highs) for a system with either a sub or larger rear speakers. I decided to isolate these speakers (hooked up to deck pwr) from my system to believe my ears and wow, they sounded like a 6 1/2" speakers!!! I wouldn't buy any other 4" speaker after owning these.
6 found this helpful
Very surprised!
I ordered these speakers because they were cheap and my front speakers were blown out. I wasen't really expecting to much. But i am VERY happy with them. The highs are amazing, and the mids sound good. And they get pretty loud to.
I've had them for about a year now, and the only thing is one of them started to crackle at high volume but stopped doing it recently. I think its because they got wet being where they are located in my door.
Overall I'm very happy with them, and would recommend them to anyone looking to replace their stock 4" Speakers.
5 found this helpful
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• 225 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
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• Mounting Depth: 2.04"
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
