Kicker 51KSC504 KS Series 5.25" 75W RMS (150W Peak Power Handling) at 4 Ohms, 2-way Coaxial Car Speakers (Pair)
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What's Inside?
- • (2) 5.25" KS Series 2-way Coaxial Car Speakers
- • (2) 11" speaker leads, tinned-to-quick-slide
- • (4) Red plastic wire caps
- • (8) 1-1/8" Screws
- • Quick-Start guide (English/ Spanish/ German/ French)
- • Template
- • Specs printed on the box
- • Owner's Manual
Why Choose Kicker 51KSC504 Full Range Car Speakers?
Elevate Your Driving Experience with Crystal-Clear Sound Reproduction
These speakers are designed to enhance the audio experience in a car by providing clearer sound reproduction across a range of frequencies. It's important to check the specifications and compatibility with your car's audio system before purchasing car speakers.
Experience Audio Excellence with Our Coaxial 2-Way Speaker Systems
A 2-way speaker system typically consists of a woofer for low-frequency sounds (bass) and a tweeter for high-frequency sounds (treble). Coaxial means that both the woofer and tweeter are integrated into the same speaker unit.
Powerful, Clear Audio
Enjoy high-volume performance without sacrificing clarity—vocals and instruments stay smooth and natural. Featuring polypropylene woofers with rubber surrounds and silk-dome tweeters, these speakers deliver detailed midrange and crisp, clear highs.
Frequently Asked Questions (FAQ)
- • What should I do if the sound stops abruptly?
First, check your amplifier settings and ensure the speaker wire has not come loose from the terminals. If the equipment is powered on but there is no sound, check your wire for breaks or shorts that may have occurred due to weathering.
- • Is there a specific orientation for the best sound dispersion?
For the best coverage, mount the speakers at ear level or slightly above, angled toward your primary listening area. Experiment with the angle of the mounting bracket to find the perfect dispersion for your specific space.
- • Why do my speakers have very little bass?
Incorrect polarity, poor door sealing, or weak amplifier power can reduce bass output. Double-check the wiring and make sure the speakers are mounted securely.
- • Will these fit my vehicle without modifications?
Fitment depends on your vehicle's factory speaker size, mounting depth, and connector type. Some installations may require brackets or wiring adapters.
- • Why do my speakers make a rattling noise during bass-heavy songs?
Loose door panels, trim pieces, or mounting hardware are common causes of rattling. Tightening the installation and adding sound-deadening material can help eliminate the noise.
- • Can I connect these to a 4-channel amplifier?
Yes. A properly matched 4-channel amplifier provides cleaner power and improves overall sound quality.
- • Why does one speaker cut in and out while I'm driving?
An intermittent speaker is usually caused by a loose wire, damaged connector, or poor electrical contact. Inspect all wiring before replacing the speaker.
- • How should I protect the wiring from outdoor weather?
Run your speaker wire through weather-rated conduit or use outdoor-rated speaker cable that features a thick, protective jacket. Keep all connections inside junction boxes or sealed with silicone to prevent moisture from traveling down the wire into the speaker.
- • Why does my music lose clarity when I turn the volume all the way up?
Most factory radios begin clipping at maximum volume, reducing sound quality. Keeping the volume slightly below maximum or adding an amplifier can produce cleaner audio.
- • Can I add a subwoofer later for deeper bass?
Yes. A dedicated subwoofer handles low frequencies more efficiently, allowing the full-range speakers to reproduce mids and highs with greater clarity.
- Diameter : 5.25 Inch
- Sensitivity : 90 dB
- Impedance : 4 Ohm
- Frequency Response : 45-21000 Hz
- Peak Power Handling : 150 Watts
- Design : 2 Way
- Top Mount Depth : 1.75 Inches
- Woofer Composition : Polypropylene
- Tweeter Composition : Silk Dome
- RMS Power Handling : 75 Watts
Features:
- Potent Performance: Plays at high volume while keeping vocals and instruments smooth and natural.
- High-Quality Components: Polypropylene woofers with rubber surrounds and silk-dome tweeters for clear highs and detailed midrange.
- Thin-Mount Design: Less than 2" mounting depth and minimal tweeter protrusion fit behind most factory grilles.
- Flexible Power Use: Works with factory radios or aftermarket amplifiers without losing performance.
- Enhanced Audio Detail: Prioritizes smoothness in vocals and instrumentals for a refined listening experience.
- Durable Build: Outlasts older factory speakers while maintaining consistent, high-quality sound.
Specifications:
- Speaker Design: 2-Way
- Woofer Size: 5-1/4" (130 mm) polypropylene cone
- Tweeter Size: ¾" (20 mm) silk dome
- Tweeter Dome Material: Silk
- Tweeter Magnet Material: Neodymium
- Woofer Surround Material: Rubber
- Rated Impedance: 4 ?
- Recommended Amplifier Power: 15–75 Watts RMS
- Maximum Peak Power Handling: 150 Watts
- Sensitivity: 90 dB (1W/1m)
- Frequency Response: 45–21,000 Hz
- Mounting Hole Diameter: 4-1/2" (115 mm)
- Top Mount Depth: 1-3/4" (45 mm)
- Bottom Mount Depth: 2" (52 mm)
- Tweeter Protrusion: 0–1 mm
- Grilles: Optional (47KSC5G sold separately)
- UPC: 713034058403
- Weight: 3.2
- 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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These speakers sound amazing, and they were a breeze to install in my BMW. They're just what I needed.
