About the Kicker KM604W

Great sound, subtle design
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.
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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Average review:
5.0 out of 5 starsCustomer photos
This review was collected as part of a promotion
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More details on the Kicker KM604W

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 | --- |
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.
The Kicker KM604W replaces these items

Kicker KM6000
- polypropylene woofer with rubber surround
- sealed motor structure and locking terminal covers
- 1/2" PEI film dome tweeter built into grille
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Customer Q&A
6 questions already asked
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This is the second time I purshed them. The old ones last years of intensive tropical sun, salt and humidity. I have 4 with an old Sony 600w amp and they sound great and loud. For the price they are a good choice.
Felix from Dorado, PR