• KM Coaxial Charcoal and White
  • KM Coaxial White
  • KM Coaxial Charcoal
  • KM Coaxial Back
  • 45KM42 - 4" 2 Ω
  • 45KM42 - 4" 2 Ω
  • 45KM42 - 4" 2 Ω
  • 45KM42 - 4" 2 Ω
1 8

Kicker

Kicker Marine Speaker 45KM42

Kicker Marine Speaker 45KM42

$139.99 USD
$139.99 USD
Sale Sold out
✔ In Stock & Ready To Ship
View full details
Mei from Wide Open Sound

Wide Open Sound · Curated gear

Kicker Marine Speaker 45KM42

WOS Pick What these speakers do in 10 seconds — expand for full specs.

  • BrandKicker
  • SKU45KM42
  • TypeCoaxial Speaker
  • RMS50
  • Ohms2
Mei says

"Speakers are where the sound actually happens. Right size + power match = instant upgrade."

The stuff you'll actually notice
  • Type: Coaxial Speaker.
  • RMS: 50.
Product description

Hear them loud and clear, the KM Coaxial Marine Speakers are built to pump out the tunes – and the fun - for years to come! Whether you mount your speakers in the hull, or KICKER® tower enclosures, you also get a pair of stout marine-grade grilles!

MARINE MARVELS

  • Two-Ohm Voice Coil
  • 1/2-Inch PEI Tweeter
  • Locking/Sealed Terminal Covers
  • UV-Treated Polypropylene Woofer With Santoprene® Surround
  • UV-Resistant Polymer Basket
  • 316L Stainless Mounting Hardware Included
  • Charcoal and White Grilles Included
  • Meets or Exceeds ASTM Standards for UV* and Salt/Fog Exposure**

Our speakers are made to thrive in the water. UV treatments on injection-molded cones, Santoprene® surrounds, baskets and grilles all help maintain top-shelf performance. KM speakers will endure almost any weather conditions with splash-and-spray-resistant sealed motors and locking/sealed terminal covers. Speaker hardware is forged from rustproof, 316L stainless-steel.

*ASTM G154 400 hr. Accelerated UV Test

**ASTM B117 200 hr. Salt Fog Test

This KM Four-Inch Coaxial Speaker works best with 50 watts of recommended power.

Specifications

Woofer(in,mm) 4, 100
Tweeter(in,mm) 1/2, 13
Tweeter Dome Material PEI
Rated Impedance(Ω) 2
Peak Power (watts, per ANSI/CTA-2031-A) 150
Recommended Amplifier Power (watts RMS) 50
Sensitivity(1W,1m) 89
Frequency Response(Hz) 60-20k
Mounting Hole Diameter(in,mm) 3-3/4, 94 Mounting Template* *For template to be accurate, ensure the print properties are set at 100% not scale to page.
Mounting Depth(in,mm) 1-13/16, 46
LED Lighting No
Grilles Charcoal and White
What's in the Box 2 - 4" 2Ω Coaxials 8 - Mounting Screws 8 - Mounting Screw Clips 2 - Wire Connection Cover 2 - Zip Ties
Speaker specs
Speaker Type Coaxial Speaker
Speaker Size (Mid) 4"
Impedance 2
Sensitivity 89
RMS Power 50
Peak Power 150
Build & install
Weather & environment
Vehicle fitment
Model 45KM42
Support & warranty

Need help choosing or installing?

We build indestructible, IP-rated systems for marine, motorcycle, UTV, and automotive. If you want a matched setup, we’ll guide you to the right gear the first time.