Garage
Shop
Account Icon
Account
Box Icon
Track
order
Telephone Icon
Call
Help Icon
Help
Door with Arrow Icon
Sign In
  1. Home
  2. Closeout
  3. Marine Audio & Electronics Closeout
  4. Marine Subwoofers Closeout
  5. Kicker 45KM122

See all parts that fit your 1978 Opel

Kicker KM 12" 2 ohm (45KM122) Open Box (Complete)

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

Kicker
Shop all Kicker
highlight-star-icon

• 350 Watts Max
• 175 Watts RMS
• Injection-Molded Polypropylene Cone
• Co-Molded Santoprene Surround
• Polymer Basket to Resist Corrosion
• Large Ceramic Magnet
• Rated for UV and Salt-Fog Exposure

Learn more about the ls-45km122-obc10

We apologize

This item has been discontinued

Show me more products from this category
Go to Category

Description

Kicker brand icon

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.

General Features:

  • 12" 2 ohm KM Series Subwoofer
  • Power Handling:
    • Peak: 350 watts
    • RMS: 175 watts
  • Injection-molded polypropylene cone
  • Co-molded santoprene surround
  • UniPlate Back Plate and Pole Piece
  • Rated for UV and salt-fog exposure
  • Polymer basket helps prevent corrosion
  • Protective terminal cap
  • Single 2 ohm voice coil
  • Large ceramic magnet
  • Top-mount depth: 5.5"
  • Cutout diameter: 11"
  • Frequency Response: 30 - 500Hz
  • Sensitivity: 88.1dB
  • Resonance Frequency (Fs): 29.9
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

    • Priced Individually

Check out the KM 12 Owner's Manual

Subwoofer Wiring Guide

Wiring Guide to Wire 1 Kicker KM 12" 2 ohm (45KM122) Open Box (Complete) Subwoofer

Mono Amp

Wiring Guide to Wire 2 Kicker KM 12" 2 ohm (45KM122) Open Box (Complete) Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 3 Kicker KM 12" 2 ohm (45KM122) Open Box (Complete) Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 Kicker KM 12" 2 ohm (45KM122) Open Box (Complete) Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp

Specifications & Details

Subwoofer Specifications
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
Dark Gray
Woofer Composition
Injection Molded Polypropylene
Woofer Surround
Santoprene Rubber
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)
5.5"
Cutout Diameter
11"
Shallow Mount Installation
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details

Manufacturer:

Kicker

Model Number:

45KM122

Weight:

5.00lbs

Internal SKU:

ls-45km122-obc10

Internal Product ID:

155709

Customer Ratings & Reviews

Kicker KM 12
5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%
Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:
Loading...
Sorry, no reviews found
XWS0820 main

NVX 20 ft. of True Spec 8 Gauge Speaker Wire

Flexible multi-strand cable bends and twists to meet your installation needs.

(45)

$49.99

List price $64.99

Add to cart
BBSW127 main

Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

(43)

$6.99

List price $14.99

Add to cart
SDTK20 main

NVX SDTK20

20 Square Feet of Sound Damping Material

(123)

$49.99

List price $71.99

Add to cart
RKXTK main

Stinger RKXTK

Stinger's Roadkill sound dampening series is sure to kill unwanted road noise and rattles! Enough sound dampening for your whole trunk!

(9)

$155.99

List price $339.00

Add to cart
19405 main

Dynamat Trunk Kit

Did you know sound dampening will reduce those annoying rattles and even increase your SPL?

(47)

$156.95

List price $187.44

Add to cart
SDRLR1 main

NVX SDRLR1 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

(126)

$10.99

List price $13.99

Add to cart
SDRLR2 main

NVX SDRLR2 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

(19)

$11.99

List price $14.99

Add to cart
BAMMD3 main

Belva BAMMD3

Nine Function Digital Multimeter

(7)

$9.99

List price $29.99

Add to cart
GR120 main

Kicker GR120

12" Speaker Grille for Kicker Subwoofers

(11)

$19.99

List price $19.99

Add to cart
No picture

Kicker Solo-Baric L7S124 (44L7S124) Damaged Packaging Only (New)

1,500W Peak (750W RMS) 12" Solo-Baric Dual 4-Ohm Car Subwoofer

(7)

$268.49

List price $409.99

Related Searches

› Kicker › Kicker Marine Subwoofers › Marine Subwoofers under $300
Save up to 10 different vehicles in your garage
Vehicle
Store Delete

1982 Pontiac Firebird

1978 Buick Opel

1967 GMC C1500 Pickup

2023 MINI Countryman

2022 Lexus NX350

2008 Mitsubishi Eclipse Spyder

2025 BMW X4 M

2000 Mazda Protege

2007 Infiniti FX45

Vehicle
Store Delete

2017 Harley Davidson FLSS Softail Slim S

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm

Cancel

This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue

Cancel

Shop your 1978 Opel
Why Use a Vehicle Fit Guide?
Change vehicle | Shop without vehicle
Whoa! Slow down. Add your details below!
additional information required
Add vehicle details to confirm fitment
Ignore fitment details
Find stereos and more that work -- fast.

Additional information:

Remove

Can't find your vehicle? Click here and we'll help.

Where to find vehicle info

Go to Fitment

Didn't find your car?

Submit your details and we'll help!
Please enter the letters as they are shown in the image above. Letters are not case-sensitive.
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon
Back

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

Back
Track your order
Call our experts
Support Center
Return & Exchanges
Follow on Instagram Instagram logo
Subscribe on YouTube YouTube logo