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Kicker KM604W 6-1/2" 2-way marine speakers

Item # 20641M604W

These powerful Kicker 6-1/2" speakers are tough enough for marine duty, but easy on your ears.

These powerful Kicker 6-1/2" speakers are tough enough for marine duty, but easy on your ears.

6 questions - 10 answers

Item # 20641M604W

About the Kicker KM604W

Jon Paul

Great sound, subtle design

These powerful Kicker 6-1/2" speakers are tough enough for marine duty, but easy on your ears. The durable poly woofers and 1/2" balanced dome tweeters cut through wind, waves, and engine roar to deliver great sound without annoying harshness. The classic white grilles will look great in your boat, too.

Great sound, subtle design

These powerful Kicker 6-1/2" speakers are tough enough for marine duty, but easy on your ears. The durable poly woofers and 1/2" balanced dome tweeters cut through wind, waves, and engine roar to deliver great sound without annoying harshness. The classic white grilles will look great in your boat, too.

Like all KM Series models, Kicker designed these 4-ohm speakers for life on the water, with sealed motors, rubber cone surrounds, and locking terminal covers to keep spray away from the internal componentry. They'll also stand up to harsh sunlight, thanks to special UV treatments on the cones, surrounds, baskets, and grilles. Whether you're on fresh water or salt, these speakers will give you years of outstanding performance.

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Product highlights:

  • 2-way 6-1/2" marine speakers (pair)
  • UV-treated polypropylene woofer with Santoprene rubber surround
  • 1/2" PEI film dome tweeter with neodymium magnet
  • white grilles
  • sealed motor structure and locking terminal covers
  • power range: 2-50 watts RMS (150 watts peak power)
  • frequency response: 35-21,000 Hz
  • sensitivity: 90 dB
  • cutout diameter: 5.13"
  • frame diameter: 7.03"
  • top-mount depth: 2-1/2"
  • warranty: 1 year
  • MFR # 41KM604W

What's in the box:

  • Two 2-way speakers with attached white grilles
  • Eight 1" Stainless steel screws
  • 8 Stainless steel speed clips
  • Owner's manual (English/ Spanish/ German/ French)

Customer reviews for Kicker KM604W

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5.0 out of 5 stars
156 reviews

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More details on the Kicker KM604W

Pat M.

Features & specs

General
Speaker Size 6 1/2
Design 2-way
Tweeter Design 1/2" Balanced Dome
Tweeter Composition PEI
Woofer Composition Polypropylene
Woofer Surround Santoprene Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Sensitivity 90 dB at 1 watt
Frequency Response 35 - 21k Hz
Max RMS Power Handling 50
Peak Power Handling (Watts) 150
Impedance (Ohms) 4
Top-mount Depth (Inches) 2 1/2
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 5 3/16
Bolt Circle ---
The Kicker KM604W replaces these items:

Product Research

Features

Marine-Ready: The Kicker KM series marine coaxial speakers are engineered to meet or exceed industry standards for environmental humidity and corrosion. The speakers feature sealed motors, cones, and locking wire terminal covers.

Size: The41KM604Ws fit into standard 6-1/2 and 6-3/4 openings (standard car speaker sizes), but the frame is even bigger than a typical 6-3/4 speaker, so they are not likely to fit easily in any car applications.

Grilles: The grilles are not removable.

Stainless Steel Hardware: The provided hardware is forged from corrosion-proof stainless steel.

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Customer Q&A

6 questions already asked

Q
What is the total depth without the front cover? I only have 6"
roman  May 20, 2021
1 answer
A
If I remember the depth was around 5-1/2"
herman  May 20, 2021
Q
Do these come in Black or Charcoal?
brian  Dec 26, 2020
1 answer
A
No white only . However model 45KM654 comes with white and charcoal grills
jeff  Dec 27, 2020
Q
can you wash these down? I don't mean blasting it with water just rinsing.
david  Jan 18, 2019
3 answers
A
Yes you can and it is a good practice to wash them down.
felix  Jan 21, 2019
A
I put a pair of these in my jet ski haven't had water issues at all
stephen  Jan 20, 2019
A
Ive washed mine after use in saltwater with a garden hose and spray nozzle. When I pressure wash my boat I spray around the speakers. Side note, life expectancy is 2yrs at best. I haven't tried more expensive speakers to see if they have better life, but these are great for those 2 years, then the cones crack.
travis  Jan 18, 2019
Q
Wire gauge ?
r  Oct 06, 2017
1 answer
A
I used 16 gage marine tinned wire.
anthony joseph  Oct 06, 2017
Q
What size hole is required? My Bayliner 305 has a diameter of 5 inches, depth is fine.
digger  May 14, 2017
1 answer
A
You will need to increase the diameter of the opening but you will be very satisfied with the results. I put them in my Bayliner and I can't be happier.
brett  May 15, 2017
Q
What is the overall diameter of the cover?
steven  Oct 23, 2014
3 answers
A
The cover is 7" in diameter.
michael  Oct 26, 2014
A
i didn't measure. but they fit on my 32' monetery perfecetly.
mark  Oct 24, 2014
A
7"
jason  Oct 24, 2014
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