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Kicker KM122 (45KM122)

350W Peak (175W RMS) 12" KM Series Single 2-ohm Marine Subwoofer

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• Peak Power: 350 watts
• RMS Power: 175 watts
• Impedance: Single 2 ohm
• Injection Molded Polypropylene Cone
• Santoprene Rubber Surround
• Mount depth: 5 1/2"
• Sensitivity: 88.1 dB

Learn more about the 45km122
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Current Promotions (2 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 KM122 (45KM122)

100% off


Priced separately $262 98

Promo Savings of $12 99

Total price:

$249 99

Protect your subwoofer and enhance its look at no additional cost. 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 KM122 (45KM122)

100% off


Priced separately $314 98

Promo Savings of $64 99

Total price:

$249 99

Product Highlights


• Peak Power: 350 watts
• RMS Power: 175 watts
• Impedance: Single 2 ohm
• Injection Molded Polypropylene Cone
• Santoprene Rubber Surround
• Mount depth: 5 1/2"
• Sensitivity: 88.1 dB

Description


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Kicker KM122 (45KM122)

The 12" Single 2 Ohm KM Series Subwoofer from Kicker is a marine-grade powerhouse designed to thrive in tough environments without compromising audio performance. With 175 watts RMS (350W peak), an injection-molded polypropylene cone, and a co-molded Santoprene surround, it delivers deep, punchy bass with long-lasting durability. Built to meet or exceed ASTM standards for UV and salt/fog exposure, it’s ideal for boats or outdoor installations. Add optional LED grilles and a remote for a custom aesthetic experience.


Product Details:

  • 12" Single 2 ohm KM Subwoofer Series Subwoofer
  • Power Handling:
    • Peak: 350 watts
    • RMS: 175 watts
  • 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
  • ASTM B117 200 hr. Salt Fog Test
  • ASTM G154 400 hr. Accelerated UV Test
  • Black LED grille available Kicker KMG12C (sold separately)
  • White LED grille available Kicker KMG12W (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): 29.9 Hz
  • Sensitivity: 88.1 dB
  • Recommended sealed box volume: 1.25 cubic feet - 3.5 cubic feet
  • Recommended ported box volume: 1.75 cubic feet - 2.25 cubic feet
  • Top-mount depth: 5 1/2"
  • Cutout diameter: 11"
  • CTA-2031 Compliant
  • Authorized Internet Dealer
  • 3 Year Manufacturer's Warranty

  • Sold Individually

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Kicker KM122 (45KM122) Subwoofer

Mono Amp

Wiring Guide to Wire 2 Kicker KM122 (45KM122) Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 3 Kicker KM122 (45KM122) Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 Kicker KM122 (45KM122) Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
KM Subwoofer Series
Subwoofer Size
12"
Peak Power Handling
350 watts
RMS Power Handling
175 watts
Voice Coil(s)
Single
Impedance (Per Voice Coil)
2 ohm
Frequency Response
30 - 500 Hz
Sensitivity
88.1 dB
Xmax (millimeters)
10.3 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Injection Molded Polypropylene
Woofer Surround
Santoprene Rubber
Magnet Structure
Single Stacked
Magnet Type
Ceramic
Subwoofer Grille
Optional (Accessory required and sold separately)
Re-Cone Kit Available
No
CTA-2031 Compliant
Yes
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
1.25 cubic feet
Maximum Sealed Box Volume
3.5 cubic feet
Minimum Ported Box Volume
1.75 cubic feet
Maximum Ported Box Volume
2.25 cubic feet
Top-Mount Depth (Mounting Depth)
5 1/2"
Cutout Diameter
11"
Shallow Mount Installation
No
Electromechanical Parameters
Free-Air Resonance (Fs)
29.9 Hz
Equivalent Compliance (Vas)
66.96 liters
Total Speaker Q Value (Qts)
0.47
Electrical Q Value (Qes)
0.485
Electrical Resistance of Voice Coil (Re)
3.68 ohm
Mechanical Q Value (Qms)
15.331
What is in the box?
Paperwork
User manual
WITB: Subwoofers
Subwoofer
Other Accessory #1
1 - Back gasket
Other Accessory #2
8 - Mounting screws
Other Accessory #3
8 - Mounting screw clips
Warranty and Return Policy
Parts Warranty Duration
3 years
Labor Warranty Duration
3 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

KM122

Weight:

5.00lbs

Internal SKU:

45km122

Internal Product ID:

150287

Product and How-to Videos


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