Kicker 45KM122 KM Series 12" 175W RMS (350W Peak Power Handling) 2 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 45KM122 Marine Subwoofer?
High-Performance 2-Ohm Subwoofer Components
This subwoofer features a two-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, a UniPlate™ back plate and pole piece to enhance heat dissipation, and thick tinsel leads for stable, reliable electrical connections.
Durable and Powerful Subwoofer Features
This subwoofer includes a large ceramic magnet for punchy, powerful bass, a corrosion-resistant polymer basket that withstands saltwater and UV exposure, and a protective terminal cap to shield connections from moisture and corrosion.
Marine-Ready Installation and Performance
This subwoofer comes with 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 sealed or ported enclosures.
Frequently Asked Questions (FAQ)
- • Can this marine subwoofer withstand saltwater, rain, and UV exposure?
Yes. It is built with marine-grade materials that resist moisture, corrosion, and prolonged sunlight 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 in a sealed or ported enclosure?
Yes. It is designed to perform well in either enclosure type when built to the recommended enclosure volume and tuning guidelines.
- • Why does the subwoofer distort at high volume?
Amplifier clipping or excessive gain settings are common causes of distortion. Proper amplifier tuning helps deliver clean bass while protecting the subwoofer.
- • Will this work with my current marine amplifier?
Yes, as long as the amplifier's power output and impedance are compatible with the subwoofer. Check the specifications before connecting the system.
- • Why do I hear rattling when the bass gets louder?
Loose mounting hardware, enclosure vibration, or nearby boat panels can create unwanted noise. Tighten all fasteners and inspect the installation area for loose components.
- • Does the subwoofer need 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 be installed in a free-air marine application?
No. It is designed for use in a properly built enclosure that meets the recommended specifications. Using the correct enclosure helps maximize performance and reliability.
- • Why does the bass sound stronger in some areas of the boat than others?
Sound waves can create bass peaks and dead spots depending on seating position. Adjusting the enclosure placement or phase setting can provide more consistent bass throughout the boat.
- Diameter : 12 Inch
- Impedance : 2 Ohm
- Frequency Response : 30-500 Hz
- RMS Power Range : 175 Watts
- Peak Power Handling : 350 Watts
- Color : Black
- Mounting Depth : 5.5 Inches
Features:
- Two-Ohm Voice Coil: Provides strong, consistent power handling for deep, 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: Ensures stable and durable electrical connections.
- Large Ceramic Magnet: Produces powerful, 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: Provides 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: 2 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: 713034084754
- 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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This one kicks hard. I shouldn’t be surprised but I wasn’t expecting it to be this good. As expected from Kicker. I’m really satisfied.
