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Kicker KM104 (45KM104)

350W Peak (175W RMS) 10” KM Series Single 4-ohm Marine Subwoofer

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• Peak Power: 350 watts
• RMS Power: 175 watts
• Impedance: Single 4 ohm
• Injection Molded Polypropylene Cone
• Santoprene Rubber Surround
• Mount depth: 5"
• Sensitivity: 86.24 dB

Learn more about the 45km104
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List price $219.99
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$199.99

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Current Promotions (3 offers)


Get a Free roll of Belva 16 Gauge Speaker Wire. Simply click the "Add Both to Cart" button and you will see your savings at checkout. This offer cannot be combined with any other coupons or offers.

Kicker KM104 (45KM104)

100% off


Priced separately $212 98

Promo Savings of $12 99

Total price:

$199 99

Protect your subwoofer and enhance its look while saving. Simply click the "Add Both to Cart" button and you will see your savings at checkout. This offer cannot be combined with any other coupons or offers.

Kicker KM104 (45KM104)

50% off


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Kicker KM104 (45KM104)

100% off


Priced separately $264 98

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Total price:

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Product Highlights


• Peak Power: 350 watts
• RMS Power: 175 watts
• Impedance: Single 4 ohm
• Injection Molded Polypropylene Cone
• Santoprene Rubber Surround
• Mount depth: 5"
• Sensitivity: 86.24 dB

Description


Kicker brand icon

Authorized dealer

Marine Enclosure-Optimized Foundation

The Kicker 45KM104 is a high-performance 10" marine subwoofer engineered specifically for sealed or ported enclosures. Unlike its "Free-Air" siblings, the KM10 is designed to thrive in a controlled air environment, delivering a tighter, more punchy bass response that is ideal for high-fidelity music reproduction on the water. This edition driver features a single 4-Ohm voice coil, making it a perfect match for modern mono-channel marine amplifiers to maximize power efficiency.

Built to Kicker’s "Real Marine" specifications, the 45KM104 is fully equipped for the harsh realities of life at sea. It features a injection-molded polypropylene cone and a Santoprene surround for consistent, long-throw excursion. The motor is completely sealed with a locking terminal cover to ensure it remains splash-proof, while the polymer basket and stainless-steel hardware provide total immunity to rust and corrosion. Whether you're building a custom fiberglass enclosure or using a pre-made marine box, this 10" driver provides the deep, rhythmic foundation your boat’s soundstage requires.

Product Details:

  • 10" Single 4 ohm KM Subwoofer Series Subwoofer
  • Power Handling:
    • Peak: 350 watts
    • RMS: 175 watts
  • ANSI/CTA-2031-A Compliant
  • Injection Molded Polypropylene Cone
  • Co-molded Santoprene Rubber Surround
  • UniPlate Back Plate and Pole Piece
  • Thick tinsel leads construction
  • Large ceramic magnet motor structure
  • Polymer basket resists corrosion
  • Protective terminal cap
  • Stainless mounting hardware included
  • Meets or exceeds ASTM standards for UV and Salt/Fog Exposure
  • Black LED grille available Kicker KMG10C (sold separately)
  • White LED grille available Kicker KMG10W (sold separately)
  • Pair LED grille with Kicker KMLC LED remote (sold separately)
  • 10.3 mm Xmax
  • Single Stacked Ceramic magnet motor structure
  • Frequency Response: 30 - 500 Hz
  • Resonance Frequency (Fs): 28.7 Hz
  • Sensitivity: 86.24 dB
  • Recommended sealed box volume: 1 cubic feet - 2.4 cubic feet
  • Recommended ported box volume: 1.25 cubic feet - 1.75 cubic feet
  • Top-mount depth: 5"
  • Cutout diameter: 9-1/4"
  • Authorized Internet Dealer
  • 3 Year Manufacturer's Warranty

  • Sold Individually

Product history:

Kicker KM104 thumbnail
(newest, current model)
Kicker 43KMW104 thumbnail
(previous model, replaced by Kicker KM104 (45KM104))
Kicker 41KMW104LC thumbnail
(previous model, replaced by Kicker KMW104 (43KMW104))

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Specifications & Details


Subwoofer Specifications
CTA-2031 Compliant
Yes
Re-Cone Kit Available
No
Magnet Type
Ceramic
Magnet Structure
Single Stacked
Woofer Surround
Santoprene Rubber
Woofer Composition
Injection Molded Polypropylene
Subwoofer Design
Round / Circle
Xmax (millimeters)
10.3 mm
Sensitivity
86.24 dB
Frequency Response
30 - 500 Hz
Impedance (Per Voice Coil)
4 ohm
Voice Coil(s)
Single
RMS Power Handling
175 watts
Peak Power Handling
350 watts
Subwoofer Size
10"
Series
KM Subwoofer Series
Main Cone Color
Silver
Subwoofer Grille
Optional (Accessory required and sold separately)
Recommended Enclosure Specifications
Shallow Mount Installation
No
Cutout Diameter
9-1/4"
Top-Mount Depth (Mounting Depth)
5"
Maximum Ported Box Volume
1.75 cubic feet
Minimum Ported Box Volume
1.25 cubic feet
Maximum Sealed Box Volume
2.4 cubic feet
Minimum Sealed Box Volume
1 cubic feet
Recommended Enclosure Type
Ported / Vented
Sealed
Electromechanical Parameters
Mechanical Q Value (Qms)
16.699
Electrical Resistance of Voice Coil (Re)
3.64 ohm
Electrical Q Value (Qes)
0.43
Total Speaker Q Value (Qts)
0.419
Equivalent Compliance (Vas)
43.75 liters
Free-Air Resonance (Fs)
28.7 Hz
What is in the box?
Other Accessory #3
8 - Mounting screw clips
Other Accessory #2
8 - Mounting screws
Other Accessory #1
1 - Back gasket
WITB: Subwoofers
Subwoofer
Paperwork
User manual
Warranty and Return Policy
Parts Warranty Duration
3 years
Labor Warranty Duration
3 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

KM104

Weight:

5.00lbs

Internal SKU:

45km104

Internal Product ID:

150293

Product and How-to Videos


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