Kicker
Kicker 51KSC404 4" (100mm) Coaxial Speakers
Reviewed byOrganicDiscount TeamUpdated 4 Jun 2026
Best price available
£109.95
Key features
- They work best with 15 to 75 watts of recommended power
Product Overview
KICKER’s elite KS-Series Coaxial Speakers upgrade your audio to new levels of accuracy with extended frequency response and the smoothest highs. KICKER KS-Series Speakers let you play at concert-like volume, yet maintain the smoothness and subtlety to please even the most selective ear. Internally dampened polypropylene cones and durable rubber surrounds assist the woofers in creating precise midrange and midbass, while high-quality silk-dome tweeters deliver natural, detailed highs.
With less than a 2-inch mounting depth and zero tweeter protrusion, the KSC40 is a perfect fit in almost every vehicle on the road today. They work best with 15 to 75 watts of recommended power. Spec: 4 inch speakers (pair) Impedance: 4 ohm RMS Power: 15-75 watts Sensitivity: 88dB Frequency response: 60Hz-20K Mounting depth: 51mm
Full Feature List
High power handling Silk-dome tweeters for a smooth sound Polypropylene woofer and tough rubber surrounds Thin-mount design easily fits behind factory grilles No grill included.
Pros & Cons
Pros
- They work best with 15 to 75 watts of recommended power
Cons
- Currently sold by only one merchant — limited price competition
- No customer reviews yet
- Price history not yet established
Price Analysis
Fair Price
The current price is around the average. It's a reasonable time to buy.
Current Best
£109.95
Average Price
£109.95
Lowest Ever
—
Highest Ever
—
Compare Prices (1 merchant)
Compare prices for Kicker 51KSC404 4" (100mm) Coaxial Speakers
| Merchant | Price | Shipping | Total | Status | |
|---|---|---|---|---|---|
Ca Car Audio Centre Best Price | £109.95 | — | £109.95 | Out of Stock | Go to Store |
Price Alert
Get notified when the price drops. No account required.
Product Details
| Brand | Kicker |
| Category | Vehicle Parts & Accessories |
| Merchant | Car Audio Centre |
| MPN | 168039 |
You might also like
Browse all products →
Ontaki
ONTAKI Duckbill Applique Scissors (4.5")
Best price at Ontaki Affiliate program
37% OFFiScooter
iScooter iX5 / iX5S 1000W Off Road Electric Scooter - iX5S with Seat
Best price at ihoverboard
Dunlop
Slazenger Wimbledon 4 Tennis Ball 18 Can Case
Best price at Childrensfootball Com Uk
37% OFFIscooter uk
iScooter DX5Pro / DX5 2000W Electric Scooter with Seat & Large Basket - Moped Style - DX5 1500W
Best price at ihoverboard
38% OFFTemu
TEMU Water Dispenser - 50.72 Ounces - Automatic Circulating Water Dispenser, Usb Cat Waterer. Suitable For All Cats, Dogs And Small Pets. No Batteries Required
Best price at Temu Affiliate Program
37% OFFIscooterglobal.co.uk
iScooter X02/X02Pro Mobility Scooter - X02Pro Mobility Scooter - Red
Best price at ihoverboard
40% OFFIhoverboard
iHoverboard H2 Pink Self Balancing Hoverboard with Bluetooth & LED 6.5" - Pink / Hoverboard Standard
Best price at ihoverboard
Portable Cheap Mini Travel Clear 10mm female glass oil burner pipe Creative Water bong hooakh With smoking oil banger bowl and silicone straw hose
Best price at DHgate
Frequently Asked Questions
What is the best price for Kicker 51KSC404 4" (100mm) Coaxial Speakers?+
How do I get notified when Kicker 51KSC404 4" (100mm) Coaxial Speakers drops in price?+
Is Kicker a good brand?+
How we make money
OrganicDiscount is free to use. When you click a link to a merchant and make a purchase, we may earn a small affiliate commission at no extra cost to you. This helps us keep the site running and continue comparing prices across UK retailers. Our rankings and recommendations are never influenced by commission — we always show the lowest price first.