Kicker 45KM124 KM Series 12" 175W RMS (350W Peak Power Handling) 4 Ohms, Single Voice Coil Marine Subwoofer
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What's Inside?
- • 12" KM Series Single Voice Coil Marine Subwoofer
- • (8) Mounting screws
- • (8) Mounting screw clips
- • Back gasket
- • Owner's Manual
Why Choose Kicker 45KMF124 Marine Subwoofer?
High-Performance 4-Ohm Subwoofer Components
This subwoofer features a four-ohm voice coil for consistent power handling, a durable injection-molded polypropylene cone for accurate sound, a flexible co-molded Santoprene® surround for long-lasting performance, and a UniPlate™ back plate and pole piece to improve heat dissipation.
Durable and Powerful Subwoofer Features
This subwoofer includes thick tinsel leads for stable electrical connections, a large ceramic magnet for punchy, powerful bass, a corrosion-resistant polymer basket built to withstand saltwater and UV exposure, and a protective terminal cap to shield terminals from moisture and corrosion.
Marine-Ready Installation and Performance
This subwoofer features stainless steel mounting hardware for secure marine installation, is marine-grade tested to exceed ASTM standards for UV and salt/fog exposure, offers easy setup through the KICKERU app, and is optimized for 175 watts RMS in both sealed and ported enclosures.
Frequently Asked Questions (FAQ)
- • Can this marine subwoofer handle saltwater, rain, and direct sunlight?
Yes. It is constructed with marine-grade materials that resist moisture, corrosion, and UV exposure for dependable outdoor performance.
- • Why does the bass sound weak after switching to a different enclosure?
An enclosure with the wrong internal volume or port tuning can reduce bass output. Use an enclosure that matches the recommended specifications for the best performance.
- • Can I install this subwoofer in a sealed or ported enclosure?
Yes. It performs well in either enclosure type when the enclosure is built according to the recommended volume and tuning guidelines.
- • Why does the subwoofer distort at higher volume levels?
Amplifier clipping or excessive gain settings are common causes of distortion. Proper amplifier tuning helps maintain clean bass while protecting the subwoofer.
- • Will this subwoofer work with my current marine amplifier?
Yes, provided the amplifier's power output and impedance match the subwoofer's specifications. Always verify compatibility before installation.
- • Why do I hear rattling when the bass gets louder?
Loose mounting hardware, enclosure vibration, or nearby boat panels are common sources of rattling. Tighten all fasteners and inspect the installation area for loose components.
- • Does the subwoofer require a break-in period?
Yes. Playing music at moderate volume for several hours allows the suspension to loosen naturally for smoother bass response.
- • Why does the dust cap feel warm after extended use?
A slight increase in temperature is normal during heavy playback. Excessive heat may indicate overpowering or incorrect amplifier gain settings.
- • Can this subwoofer be mounted in an open-air marine installation?
Yes, when installed according to the manufacturer's recommendations and protected from physical damage. Proper installation helps ensure reliable performance in marine environments.
- • Why does the bass sound different depending on where I sit?
Boat layouts can create bass peaks and dead spots in different seating positions. Adjusting the subwoofer placement or phase setting can improve bass coverage throughout the boat.
- Diameter : 12 Inch
- Impedance : 4 Ohm
- Frequency Response : 30-500 Hz
- RMS Power Range : 175 Watts
- Peak Power Handling : 350 Watts
- Color : Black
- Mounting Depth : 5.5 Inches
Features:
- Four-Ohm Voice Coil: Provides consistent power handling for strong, clean bass.
- Injection-Molded Polypropylene Cone: Durable cone resists warping and delivers accurate sound.
- Co-molded Santoprene® Surround: Flexible surround ensures long-lasting performance.
- UniPlate™ Back Plate And Pole Piece: Enhances heat dissipation for reliable operation.
- Thick Tinsel Leads: Provides stable and durable electrical connections.
- Large Ceramic Magnet: Produces powerful and punchy bass response.
- Polymer Basket Resists Corrosion: Withstands saltwater and UV exposure.
- Protective Terminal Cap: Shields terminals from moisture and corrosion.
- Stainless Mounting Hardware Included: Ensures secure marine installation.
- Marine-Grade Tested: Meets or exceeds ASTM standards for UV and salt/fog exposure (ASTM B117: 200 hr. Salt Fog Test; ASTM G154: 400 hr. Accelerated UV Test).
- Easy Setup: KICKERU app provides free guidance for woofer and amplifier configuration.
- Recommended Power: Optimized for 175 watts RMS in sealed or ported enclosures.
Specifications:
- Woofer Size: 12 in / 30 cm
- Impedance: 4 Ohms SVC
- Peak Power: 350 watts (per ANSI/CTA-2031-A)
- Recommended Amplifier Power: 175 watts RMS
- Sealed Enclosure Volume: 1.25–3.5 ft³ / 25.4–99.1 L
- Vented Enclosure Volume: 1.75–2.25 ft³ / 49.6–63.7 L
- Frequency Response: 30–500 Hz
- Mounting Depth: 5.5 in / 13.9 cm
- Hole Diameter: 11 in / 27.9 cm
- Outer Diameter: 13 in / 32.95 cm
- UPC: 713034084761
- Weight: 10
- 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.
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Waited 2 months to write this review just to have a better opinion about this product. Bought this for my boat. What can I say? This one gives me clear deep bass. So far so good. I’ve been using this for over 2 months now. Very durable.
