Kicker KM8 8 inch marine speaker front view with with white or black grille options.
Kicker KM8 8 inch marine speaker front view with grille installed shown in black.
Kicker KM8 marine speaker angled view showing cone and tweeter shown in black.
Kicker KM8 marine speaker angled view showing cone and tweeter shown in white.
Kicker KM8 marine speaker angled view showing cone and tweeter show in white with LED light off.
Kicker KM8 marine speaker side-view, shown in black.
Kicker KM8 marine speaker rear view showing motor structure.
Kicker KM8 marine speaker titled view showing measurements of the unit.

Kicker KM8 8" Marine Coaxial Speakers – High Output Boat Audio (White or Black Grilles)

Color: White
White
White
Black
Black
Product description

Most Marine Speakers Are Not Loud Enough at Speed

At idle, almost any speaker sounds fine.

But once you're moving, sound disappears due to:

  • Wind noise
  • Engine noise
  • Open-air conditions

The Kicker KM8 8-inch marine speakers are built to deliver strong, clear output in real boating conditions.


Built for High Output Marine Performance

The KM8 is designed to produce more output than smaller speakers, making it ideal for open-air environments.

Perfect for:

  • Boats and pontoons
  • Wake boats
  • Fishing boats
  • Marine audio upgrades

The larger 8-inch woofer provides stronger midbass and overall volume compared to standard 6.5-inch speakers.


Available in White or Black Grille Options

These speakers are available in:

  • White grille version
  • Black grille version

This allows you to match your boat’s interior while maintaining a clean, factory-style look.

(Some versions may include LED lighting depending on model variation.)


Designed for Marine Durability

These are true marine speakers built to handle harsh environments.

They feature:

  • UV-treated materials to resist sun damage
  • Weather-resistant construction
  • Corrosion-resistant components

This ensures long-term reliability on the water.


Professional Installation in Mentor

Stereo Installs builds marine audio systems for customers across:

We design systems that stay loud and clear at speed on Lake Erie.

Get a Quick Quote
📞 (440) 525-2001


Why the Kicker KM8 Performs Better Than Standard Marine Speakers

Larger 8” Woofer

Produces stronger midbass and more overall output.


Clear High Frequencies

Coaxial design keeps highs crisp and audible in open-air conditions.


Marine-Grade Construction

Built to handle water, sun, and vibration.


Specifications

  • Speaker Size: 8”
  • Type: Marine coaxial speaker
  • Impedance: 4 Ohm
  • Application: Marine / boat audio
  • Grille Options: White or Black
  • Mounting Depth: Approx. 3.75”–4” (varies slightly by version)

What’s Included

  • (2) Kicker KM8 Marine Speakers
  • White or Black grilles (depending on variant)
  • Mounting hardware

Real-World Use

Boat Audio

Provides stronger sound coverage across open seating areas.

Pontoon Boats

Ideal for filling large spaces with consistent audio.

Wake Boats

Delivers clear sound even with engine and water noise.


Learn Why Boat Audio Fails at Speed

If your system disappears when you're moving, there's a reason.

Read: How to Make Your Boat Stereo Loud at Speed


FAQ

Are these louder than 6.5 speakers?

Yes. The larger 8-inch design provides more output and midbass.


Do these come in different colors?

Yes. Available in white or black grille options.


Do these have LED lighting?

Some KM series variants include LED lighting. Check specific model selection.


Do I need an amplifier?

Yes. Recommended for best performance on the water.


Final Word

If you need more volume and better coverage on your boat, stepping up to an 8-inch speaker makes a difference.

Built for output. Built for durability. Built for real marine use.

Get a Quick Quote
📞 (440) 525-2001

Shipping & Return

Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.

We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.