Kicker 51KSC404 KS Series 4" 75W RMS (150W Peak Power Handling) 4 Ohms, 2-way Coaxial Car Speakers
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What's Inside?
- • (2) 4" KS Series 2-way Coaxial Car Speakers
- • (2) 2-way speakers
- • (2) Adapter brackets
- • (2) 11" Lengths of speaker wire (tinned wire on one end and female quick slides on the other)
- • (4) Red plastic wire caps
- • (8) 1-1/8" Screws
- • Owner's Manual
Why Choose Kicker 51KSC404 Full Range Car Speakers?
Elevate Your Sound Experience: Kicker KS Series Redefines Audio Quality
Experience a significant upgrade from ordinary factory speakers with the meticulously engineered KS Series by Kicker. The KSC40 4" speakers boast a polypropylene woofer, delivering rich and natural sound reproduction. Paired seamlessly with a 1/2" silk dome tweeter, these speakers prioritize smoothness, accentuating the intricate details of vocals and instruments in your music. Install a pair today and rediscover the true essence of your favorite songs as they were meant to be heard.
Effortless Sound Upgrade: Kicker KS Series Speakers Amplify Factory Radios
No plans to upgrade your factory radio or add an amplifier? No worries. With the KS Series by Kicker, you don't need to. Engineered with a highly sensitive design, these speakers deliver robust volume even when connected to low-powered factory radios. Experience the convenience of a seamless sound upgrade without the need for additional equipment.
Versatile Sound Solution: Low-Profile Design of Kicker KS Series Speaker
Discover the perfect fit for your vehicle with the low-profile design of Kicker KS Series speakers. Engineered with a reduced mounting depth and minimal tweeter protrusion, these speakers seamlessly integrate into almost any car model. Additionally, they come equipped with 3-hole mounting brackets, offering mounting versatility to accommodate various installation requirements. Enjoy superior sound quality without compromising on aesthetics or compatibility.
Frequently Asked Questions (FAQ)
- • Why do my new speakers sound quieter than my old ones?
Some factory stereos limit power output, preventing aftermarket speakers from reaching their full potential. A properly matched amplifier can provide higher volume and cleaner sound.
- • Can I use these with my stock radio?
Yes. They are compatible with most factory head units, although upgrading the amplifier can improve overall audio performance.
- • Why do my speakers make a crackling noise?
Crackling is commonly caused by loose wiring, damaged connectors, or amplifier clipping. Check all electrical connections before assuming the speakers are faulty.
- • Will these fit in my factory speaker openings?
Fitment depends on your vehicle's speaker size, mounting depth, and connector type. Some vehicles may require installation brackets or wiring adapters.
- • Why do the speakers sound weak on bass?
Incorrect polarity, poor mounting, or gaps around the speaker can reduce bass response. Proper installation and door sealing can noticeably improve low-frequency performance.
- • Can I connect these to a 4-channel amplifier?
Yes. A quality 4-channel amplifier delivers cleaner power and improves overall clarity at higher listening levels.
- • Why do my interior panels vibrate when music is playing?
Stronger speaker output can cause loose trim pieces or mounting clips to rattle. Tightening the panels or installing sound-deadening material can minimize vibrations.
- • Do these need time to break in?
Yes. Many users notice smoother sound after several hours of regular listening as the suspension becomes more flexible.
- • Why does one speaker stop working occasionally?
An intermittent speaker is usually caused by a loose connector, damaged wire, or poor electrical contact. Inspect the wiring before replacing the speaker.
- • Can I add a subwoofer later for stronger bass?
Yes. A dedicated subwoofer handles deep bass more efficiently and allows the full-range speakers to produce cleaner mids and highs.
- Diameter : 4 Inch
- Sensitivity : 88 dB
- Impedance : 4 Ohm
- Frequency Response : 60-20000 Hz
- Peak Power Handling : 150 Watts
- Design : 2 Way
- RMS Power Handling : 75 Watts
Features:
- Potent Performance: Plays at concert-like volume while maintaining smooth, detailed sound that pleases even the most selective listener.
- High Power Handling: Works best with 15–75 watts RMS and peak power handling up to 150 watts.
- Smooth Silk-Dome Tweeters: Deliver natural highs for clear vocals and instrumentals.
- Polypropylene Woofer with Rubber Surrounds: Provides precise midrange and midbass with durability against heat and use.
- Thin-Mount Design: Less than 2" mounting depth with zero tweeter protrusion fits almost any vehicle.
- Versatile Mounting: Includes 3-hole mounting brackets for flexible installation options.
- Factory Radio Friendly: Highly sensitive design delivers strong volume even without an aftermarket amp.
Specifications:
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- Speaker Design: 2-Way
- Speaker Size: 4" (100 mm)
- Woofer Design: Cone
- Woofer Material: Polypropylene
- Woofer Surround Material: Rubber
- Tweeter Design: 1/2" Balanced Dome
- Tweeter Material: Silk
- Tweeter Magnet Material: Neodymium
- Impedance: 4 Ω
- Sensitivity (1W @ 1m): 88 dB
- Frequency Response: 60 – 20,000 Hz
- Maximum RMS Wattage: 75 W
- Peak Power Handling: 150 W
- Mounting Hole Diameter: 3-3/4" (94 mm)
- Top Mount Depth: 1-13/16" (46 mm)
- Bottom Mount Depth: 2-1/16" (51 mm)
- Tweeter Protrusion: 0 – 1 mm
- Mounting Height: 0.225"
- Frame Width: 4.028"
- Frame Length: 4.028"
- Grilles Included: No
- Weather-Resistant: No
- UPC: 713034045137
- Weight: 2.5
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.
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Write a review!
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Paired with Kicker amp, I feel like its giving off its best performance and it really sounds great. Good power and volume. Not a lot of bass but its alright.
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Much better than the speakers that my old Bronco has. Good full range sound. Lacks a little bit of lows, decent enough you know your not buying this for the lows but for the full range frequency sound which it can impressively deliver without a hitch.