Kicker 45KM42 KM Series 4" 75W RMS (150W Peak Power Handling) 2 Ohms, 2-way Marine Coaxial Speakers (Pair)
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What's Inside?
- • (2) 4" KM Series 2-way Marine Coaxial Speakers
- • (2) Charcoal grilles
- • (2) White grilles
- • (2) Plastic terminal covers
- • (2) 7" Zip Ties
- • (2) 0.25" Crimp on female quick slides
- • (2) 0.187" Crimp on female quick slides
- • (8) 1" Stainless steel screws
- • (8) Stainless steel speed clips
- • Owner's Manual
Why Choose Kicker 45KM42 Marine Speakers?
Marine-Ready Speakers with Durable, Rustproof Design
Built for marine environments, these speakers feature UV-treated injection-molded cones, Santoprene surrounds, sealed motors, and locking terminal covers to resist water and corrosion, while 316L stainless-steel hardware ensures long-lasting reliability.
Crisp, Versatile Marine Tweeters
Featuring a 1/2-inch PEI tweeter for clear, high-frequency audio and interchangeable charcoal and white grilles, these marine speakers deliver full-range sound while easily matching your boat’s style.
Rugged Marine Speakers with Reliable Power
Certified to meet or exceed ASTM standards for UV and salt/fog exposure, these speakers handle 50 W RMS power efficiently, delivering consistent, reliable audio performance in challenging marine environments.
Frequently Asked Questions (FAQ)
- • Can these handle rain, saltwater, and direct sunlight?
Yes. They are made with marine-grade materials that resist moisture, corrosion, and UV exposure for reliable outdoor use.
- • Why is the sound quieter than I expected?
Low head unit power or incorrect audio settings can reduce overall output. Adding a properly matched marine amplifier can significantly improve volume and clarity.
- • Can I connect these directly to my marine stereo?
Yes. They are compatible with most factory and aftermarket marine head units without requiring an external amplifier.
- • Why does one speaker stop playing intermittently?
Loose wiring, corroded terminals, or damaged speaker cables can interrupt audio playback. Inspect all electrical connections before replacing the speaker.
- • Why do the speakers distort when the volume is too high?
Amplifier clipping or excessive bass and treble settings can cause distortion. Proper tuning helps produce cleaner sound while protecting the speakers.
- • Why do I hear engine noise through the speakers?
Electrical interference or poor grounding is a common cause of engine whine. Verify the grounding point and route audio cables away from power wiring.
- • Will the speaker grilles fade after long-term outdoor use?
The UV-resistant materials help minimize fading caused by prolonged sunlight exposure. Covering your boat when not in use can further preserve the finish.
- • Why do the speakers rattle when playing bass-heavy music?
Loose mounting screws or vibrating panels around the installation area are common causes. Tighten all hardware and secure nearby surfaces to eliminate unwanted noise.
- Diameter : 4 Inch
- Sensitivity : 89 dB
- Impedance : 2 Ohm
- Frequency Response : 60-20000 Hz
- Peak Power Handling : 150 Watts
- RMS Power Handling : 50 Watts
Features:
- Water-Ready Design: UV-treated injection-molded cones, Santoprene® surrounds, and grilles keep performance top-notch in marine conditions.
- Durable Construction: Sealed motors and locking/sealed terminal covers protect against splashes, spray, and corrosion.
- Rustproof Hardware: 316L stainless-steel mounting hardware ensures long-lasting reliability.
- High-Frequency Clarity: 1/2-inch PEI tweeter delivers crisp, clear audio for full-range sound.
- Versatile Grille Options: Includes charcoal and white grilles to match your boat’s style.
- Certified for Tough Conditions: Meets or exceeds ASTM standards for UV and salt/fog exposure.
- Optimized Power Handling: Works efficiently with 50 watts of recommended RMS power for reliable performance.
Specifications:
- Woofer Size: 4" (100 mm)
- Tweeter Size: 1/2" (13 mm)
- Tweeter Dome Material: PEI
- Impedance: 2
- Recommended Amplifier Power (RMS): 50 W
- Peak Power: 150 W
- Frequency Response: 60–20,000 Hz
- Sensitivity: 89 dB (1 W/1 m)
- Mounting Hole Diameter: 3-3/4" (94 mm)
- Mounting Depth: 1-13/16" (46 mm)
- LED Lighting: No
- Grilles Included: Charcoal and White
- 2 × 4" 2Ω Coaxial Speakers
- 8 × Mounting Screws
- 8 × Mounting Screw Clips
- 2 × Wire Connection Covers
- 2 × Zip Ties
- UPC: 713034085072
- Weight: 4
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.