MB Quart FKB 108 (FKB108)

140W Peak (70W RMS) 3.5” Formula Series 2-way Coaxial Car Speakers

MB Quart
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• 70 watts Peak Each, 35 watts RMS Each
• 1" Aluminum Dome Tweeters
• Thermoformed Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 88 dB

Learn more about the fkb108

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Was $45.99 Details
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$27.99

/pair  with warranty

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Fast 3-day shipping to VA. Get it Wed, Oct. 4
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Description


MB Quart

Authorized dealer

Product Details:

  • 3-1/2" Formula Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 140 watts per pair / 70 watts each
    • RMS: 70 watts per pair / 35 watts each
  • Thermoformed Polypropylene cone material
  • Butyl Rubber speaker surround
  • 1" Aluminum Dome Tweeters
  • Textured ABS gasket
  • Pure Copper voice coil
  • Natural fiber spider
  • Over-coil cooling system
  • 6dB internal crossover integrated
  • Heavy gauge progressive-die stamped steel frames
  • Voice coil
  • Ferrite magnet motor structure
  • Top-mount Depth: 1.5"
  • Cutout Dimensions: 3.41"
  • Impedance: 4 ohms
  • Frequency Response: 80 - 20000 Hz
  • Sensitivity: 88 dB
  • Grilles not included
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Per Pair

Specifications & Details


Speaker Specifications
Series
Formula Series
Priced Per
Pair
Speaker Size
3-1/2"
Design
2-way Coaxial
Tweeter Design
Dome
Tweeter Size
1"
Tweeter Composition
Aluminum
Woofer Composition
Thermoformed Polypropylene
Woofer Surround
Butyl Rubber
Peak Power Handling
70 watts
RMS Power Handling
35 watts
Total RMS Per Pair/Set
140 watts
Total RMS Per Pair/Set
70 watts
Sensitivity
88 dB
Frequency Response
80 - 20000 Hz
Impedance (Per Voice Coil)
4 ohms
Shallow Mount Installation
No
Magnet Type
Ferrite
Top-Mount Depth (Mounting Depth)
1.5"
Cutout Dimensions
3.41"
Number of Speakers
2
CTA-2031 Compliant
No
General specifications
Marine Certified
No
Hi-Res Certified
No
Color
Black
Speaker Grilles
Yes
What is in the box?
Paperwork
User manual
Warranty/Registration card
WITB: Speakers
Speakers (2)
Grilles (2, attached)
Mounting screws (8)
Mounting clips (8)
Speaker connection cables (2)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

FKB108

Weight:

5.00lbs

Internal SKU:

fkb108

Internal Product ID:

146207

Customer Ratings & Reviews



5 star
50%
4 star
0%
3 star
50%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

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Great Sound, Poor Fit!

These speakers pack a punch for the size and price. Buyers beware, if you are installing these in a Toyota Camry, you are destined to get the red ass! The description says they would fit but I had to seriously modify the hole in the dash to even get the magnet in. It took a lot of beating to make the hole big enough and even still was a very tight fit. I was only able to get one screw in each speaker because the factory screw holes did not line up. It is such a tight space to work in, drilling new screw holes is virtually impossible unless you have a right angle drill with a very short chuck and bit. Good luck getting these installed.

By Brett on August 17, 2020

8

found this helpful.

Surprisingly Great Sound

Have MB Quart 6x9s in my Jeep, so I thought I would try these in my truck. Put these in my 2011 Dodge Ram dash, and they fit like a charm with the Metra wire adapter. Nice and crisp sounding, but not too bright. Good little midbass also...that was a surprise. Compliments nicely my upgrade of door speakers (front and rear) as well as 2 - 8" subs I have under the rear seat with a small amp. All powered by the stock head unit. Plenty of loud sounds. MB Quart doesn't always get the recognition it deserves. Highly recommend.

By ensoniqman on May 16, 2020

7

found this helpful.

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