Kicker 46KMFC8 Marine 8in Coaxial Tower Speakers - RGB LED

In this review the Kicker 46KMFC8 marine coaxial tower speaker system is assessed for boat and watersports audio use; it suits anyone who wants bold, full-range sound with built-in LED lighting and durable marine construction. The single biggest reason to buy is the combination of a real 8in woofer, a 1in titanium tweeter and weather-tested materials that deliver 150 watts RMS per pair and survive sun and salt exposure, so it is a practical choice for owners who need both power and longevity on the water.

Key Features

• Power handling: 150 watts RMS (300 watts peak) provides consistent loud output without needing oversized amplifiers for typical marine systems.
• LED lighting: The integrated seven-color RGB LED lighting in the grille adds customizable ambiance for evening or party use on deck.
• Marine-grade construction: Sun light treated polypropylene woofers, Santoprene surrounds and a sun light resistant polymer basket resist UV damage and remain useful in harsh conditions.
• Titanium tweeter: The 1in titanium dome tweeter delivers clear high frequencies that help vocals and instruments cut through wind and water noise.
• Mounting and wiring: Surface mount pods, through-mount wiring system and included 316L stainless mounting hardware simplify installation and resist corrosion.
• Impedance and sensitivity: A 4-ohm nominal impedance and 92 dB sensitivity make the speakers an efficient match for common marine amplifiers.

Who It's For

The Kicker 46KMFC8 is ideal for boat owners, wakeboard tower installations and anyone upgrading factory marine speakers who wants louder, clearer sound and eye-catching RGB lighting. It fits best where space allows surface-mount pods and the user values weather resistance and stainless mounting hardware to avoid corrosion.

Those who should look elsewhere include listeners who require compact in-cabin speakers with low-profile aesthetics or people who need ultra-high-fidelity studio-grade accuracy; this system is tuned for loud, durable marine performance rather than neutral reference listening.

Pros & Cons

Pros

• Robust 150 watts RMS per pair offers dependable power for open-air marine listening.
• Marine-grade materials and 316L stainless hardware resist UV and salt/fog exposure for long life.
• Built-in seven-color RGB LED grilles add visual flair without separate lighting components.
• Good sensitivity and a 4-ohm load make amplifier matching straightforward.

Cons

• Surface mount pod size and grille lighting make these more visible than low-profile in-cabin speakers.
• They are tuned for marine environments, so audiophiles seeking studio neutrality may prefer different designs.

Specifications

Woofer	8 in (20 cm)
Tweeter	1 in (2.5 cm) titanium dome
Impedance	4 Ohms
Power handling	150 watts RMS / 300 watts peak
Sensitivity	92 dB (1W, 1m)
Frequency response	30 - 21,000 Hz
Mounting hardware	316L stainless hardware included

Our Verdict

The Kicker 46KMFC8 marine coaxial tower speakers are a solid value for marine audio upgrades, offering durable UV- and salt-resistant construction, clear highs from a titanium tweeter and impactful low-end from an 8in woofer. Buy these if you want loud, reliable deck or tower sound with RGB lighting; choose other options only if you need discreet in-cabin speakers or reference-level accuracy.

Frequently Asked Questions

Are these speakers suitable for tower mounting?
Yes, the speakers come in surface mount pods and include through-mount wiring and 316L stainless hardware designed for tower and deck installations.

Will the LED lighting hold up in sun and salt spray?
The system is built with sun light treated materials and meets or exceeds ASTM standards for UV and salt/fog exposure, so the LEDs and grille are designed to withstand marine conditions.

What amplifier do they need?
They are 4 ohm, 92 dB sensitivity speakers rated 150 watts RMS, so a typical marine amplifier that can deliver up to 150 watts RMS per channel is a suitable match.