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Kicker 45KM84L 8" full-range marine speakers with LED lighting

Item # 20645KM84L

Kicker's 45KM84L 8" marine speakers sound terrific, and with built-in LED lighting and aggressive styling,...

Kicker's 45KM84L 8" marine speakers sound terrific, and with built-in LED lighting and aggressive styling,...

Item # 20645KM84L

Every order includes

  • Free lifetime tech support
  • 60-day price-drop protection
  • 60-day returns
In stock
$239.99 Sale $36.03 off ends today
$203.96 pair

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Expert help 400+ hours training Virginia-based

About the Kicker 45KM84L

Jon Paul

Product highlights:

  • 2-way 8" marine speakers (pair)
  • UV-treated polypropylene woofer with Santoprene rubber surround
  • 1" balanced dome titanium tweeter
  • built-in LED lighting with 20 color options and 19 dynamic modes
  • KMLC remote (not included) controls all lighting functions
  • comes with charcoal and white grilles
  • sealed motor structure and locking terminal covers
  • stainless steel mounting hardware included
  • UV-resistant polymer basket
Specs:
  • handles up to 150 watts RMS (300 watts peak power)
  • frequency response: 30-21,000 Hz
  • sensitivity: 92 dB
  • impedance: 4 ohms
  • cutout diameter: 6.7"
  • frame diameter: 7.78"
  • mounting depth: 3-3/4"
  • warranty: 3 years
  • MFR # 45KM84L
  • Item # 20645KM84L

What's in the box:

Kicker 45KM84L owner's manual

If you need assistance accessing this owner's manual, please give us a call.
  • Two 2-way speakers (each has a 6" length of speaker wire attached terminated with male quick slides and an 8" lighting wire)
  • 2 Charcoal grilles
  • 2 White grilles
  • 2 Plastic terminal covers
  • Two 7" Zip ties
  • Two 0.25" Crimp on female quick slides
  • Two 0.187" Crimp on female quick slides
  • Eight 1" Stainless steel screws
  • 8 Stainless steel speed clips
  • Owner's manual (English/ Spanish/ German/ French)

More details on the Kicker 45KM84L

Pat M.

Product Research

Features

Marine-Ready: The Kicker KM series marine coaxial speakers are engineered to meet or exceed ASTM B117 Salt Fog (200 hour test) and ASTM G154 Accelerated UV (400 hour test) industry standards. The speakers feature sealed motors, cones, and locking wire terminal covers.

LEDs: There are multi colored LEDs behind the tweeter casing, to create a glow on the woofer cone. Depending on what combination of the three LED wires is connected, they can light red, green, blue, lime green, magenta, aquamarine, or blue-white. A wireless remote (item number 20641KMLC, sold separately) is also available to control the backlighting. A 12 volt power supply is needed to turn the LEDs on.

Grilles: Two pair of grilles are included, charcoal and white.

Terminal Cover: The speakers feature splash and spray resistant, locking terminal covers. These covers have water-resistant gaskets to prevent terminal corrosion and electrical shorting.

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Customer Q&A

16 questions already asked

Q
Is any special equipment or wiring needed to support the lighting feature on these speakers?
jeffrey  Jul 09, 2024
1 answer
A
Greetings Jeff. Thank you for your question. Yes, the lighting needs additional wire besides the normal audio wires. An additional 2 wires ran would have the speakers illuminate a single color, and thats it. running 4 conductor wire would then have the option to change colors on the fly with an additional controller.
thomas  Jul 09, 2024 (Staff)
Q
Were can I find a bracket so it can fit 8inch?
jose52  Jun 04, 2024
1 answer
A
Greetings Jose. Im not sure what type of bracket you would be looking for. Please call one of our advisors at 800-324-9695 for assistence.
thomas  Jun 04, 2024 (Staff)
Q
Do you guys have a cutout diagram that I can print to see if I have space for these where I want to put them?
chris  Nov 12, 2023
1 answer
A
We do not, Chris. This Kicker 45KM84L 8" full-range marine speaker has a hole cutout measurement of 6.7" and requires a depth of 3.75" (top mounted). A circular paper template at exactly 6.7" should work well, but make sure to also confirm that you have enough depth in your custom mounting location. I hope this helps!
bo  Nov 13, 2023 (Staff)
Q
I put these in but they seem to distort at high volume..seems like a lot of excursion on the woofer. Would baffles correct this? Iâ??m wondering if they need some back pressure rather than being free-air within the bulkhead of my boat.
justin kyle  Jul 31, 2023
1 answer
A
Greetings Kyle. Sorry you are having issues with these. They are free air speakers so they should not distort unless they are getting too much power, or too much of a distorted signal. Cut back on the amplifier gain, see if that helps.
thomas  Jul 31, 2023 (Staff)
Q
I'm wanting to put these in my jeep mounted on the roll bar, what size amp would you recommend?
conner  Jun 16, 2023
1 answer
A
Ideally, we would use an amplifier that can provide 150 watts RMS x 2. Our advisors are happy to help with selecting the precise amplifier model via online chat or phone at 1-800-324-9695.
zachary  Jun 16, 2023 (Staff)
Q
Is the RMS power rating per speaker or for the pair?
wayne  Jan 24, 2023
1 answer
A
RMS rating is per speaker on these sweet Kickers, Wayne. You can send up to 150-watts RMS to each 8", that's some serious power. Keep in mind though with the extremely high sensitivity, these Kickers would sound great on almost any size amp!
bo  Jan 24, 2023 (Staff)
Q
Will these fit in a jl audio 8.8 cutout?
blake  May 25, 2022
1 answer
A
Here are the specs on the fitment: cutout diameter: 6.7" frame diameter: 7.78" mounting depth: 3-3/4" Typically, if your cutout is larger than the diameter of the speaker, you will have to fabricate a mounting bracket to make it work.
abby  May 26, 2022 (Staff)
Q
Is 40w enough to power these speakers?
bryan  Jun 15, 2021
2 answers
A
I'm assuming you mean per channel and you also have them in a motor boat. Yes, that is enough to make them sound good at rest or running slow. I think it would take a lot to overcome the engines sound at speed. Overall I'm happy with them. 30 Scarab sport, twin 250 Optimax Mercury engines. George
george  Jun 15, 2021
A
Yes
becky  Jun 15, 2021
Q
can you choose one color without optional control?
jeff  Mar 16, 2021
2 answers
A
Yes, you can wire negative and one color in the 3 colored wires.
jose a rosario  Mar 16, 2021
A
Yes you can straight wire to the color of your choice
simon  Mar 16, 2021
Q
What is a good amp for 2 of these speakers? Could I use the kicker 42PXA2002?
nathan  Jan 22, 2020
1 answer
A
Thanks for your question. For information on selecting the best amp for your speakers I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system.
kristina  Feb 18, 2020 (Staff)
Q
What amp do I need to push 4 of these speakers?
pacman  Sep 01, 2019
1 answer
A
Thanks for your question. For information on selecting the best amp I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system.
kristina  Sep 17, 2019 (Staff)
Q
Can the KM8 speakers be used as subs?
christopher  Aug 09, 2019
3 answers
A
Yes, to me is enough but depends on preference
kazimir  Aug 09, 2019
A
That's not what it is. It has a crossover and a tweeter. You could drink beer out of a plate if you want. I wouldn't.
dustin  Aug 09, 2019
A
They have a tweeter I the middle so technically no.. but I have 4 of these and 2 of the 6.5" with about 100 watts going to each and I get so many compliments and people cant believe I dont have subs. So you definitely dont need a separate sub
dustin  Aug 09, 2019
Q
What is the difference between 45km8 and the 43km8? I dont see it in specs and amazon labels the 43 at 160mm and the 45 200mm.
jojocristo  May 27, 2018
2 answers
A
The mounting Depth! The 43km8 is 3 1/4" and the 45km8 is 3 3/4".
chad  Jun 25, 2018
A
Thanks for your question. For information on comparing two or more models I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences and help you make the best choice for your system and your budget.
kristina  Jun 05, 2018 (Staff)
Q
What is the cut out demention?
angelo  Apr 01, 2018
1 answer
A
The cutout diameter needs to be 6-11/16" for each of these speakers. HTH! My Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=101
jason  Apr 09, 2018 (Staff)
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