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MB Quart FKB168

200W Peak (100W RMS) 5x7" / 6x8" Formula Series 2-Way 4-ohm Coaxial Car Speakers

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• 100 watts Peak Each, 50 watts RMS Each
• Aluminum Dome tweeters
• Lightweight Thermoformed Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Learn more about the fkb168

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Was $69.99 Details
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$34.99

/pair  with warranty

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Current Promotions (3 offers)


This offer cannot be combined with any other coupons or offers.

MB Quart FKB168

30% off


Priced separately $66 97

Promo Savings of $9 59

Total price:

$57 38

This offer cannot be combined with any other coupons or offers.

MB Quart FKB168

20% off


Priced separately $50 98

Promo Savings of $3 20

Total price:

$47 78

Experience Better Sound With Easy to Install Speaker Baffles. This offer cannot be combined with any other coupons or offers.

MB Quart FKB168

20% off


Priced separately $56 98

Promo Savings of $4 40

Total price:

$52 58

Description


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Authorized dealer


MB Quart FKB168

The MB Quart FKB168 is a versatile 6" x 8" Formula Series 2-way coaxial car speaker set that also fits most 5" x 7" mounting locations, offering a strong upgrade in sound quality. Each speaker handles 50 watts RMS (100 watts peak per pair) and features a lightweight thermoformed polypropylene cone with an aluminum dome tweeter for crisp highs and balanced performance. Built for durability, it incorporates a butyl rubber surround, epoxy-reinforced natural fiber spider, ferrite magnet motor, and heavy-gauge stamped steel frame. With an integrated 6dB crossover, over-coil cooling, 4-ohm impedance, and wide 46–20,000 Hz frequency response, these speakers deliver reliable, full-range audio for a range of vehicle installations.


Product Details:

  • 6" x 8" (also mounts in most 5" x 7" locations) Formula Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 200 watts per pair / 100 watts each
    • RMS: 100 watts per pair / 50 watts each
  • Lightweight Thermoformed Polypropylene cone material
  • Butyl Rubber speaker surround
  • Aluminum Dome tweeters
  • Pure copper voice coil on Kapton former
  • Ferrite magnet motor structure
  • Textured ABS gasket assures a rigid linear seal to the mounting surface
  • Natural fiber spider for flexibility with infused epoxy for strength
  • Over-coil cooling system allows air exchange
  • 6dB internal crossover integrated into the design
  • Heavy gauge progressive-die stamped steel frames
  • Tinsel lead for high power applications
  • Use spade connectors or solder direct for best connections
  • Top-mount Depth: 2.4"
  • Cutout Dimensions: 5” x 7.1" 
  • Impedance: 4 ohm
  • Frequency Response: 46 - 20,000 Hz
  • Sensitivity: 88 dB
  • Authorized Internet Dealer
  • MFR #: FKB168
  • 1-year Manufacturer's Warranty

  • Priced Per Pair


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Specifications & Details


Speaker Specifications
Series
Formula Series
Priced Per
Pair
Number of Speakers
2
Speaker Size
6" x 8" (also mounts in most 5" x 7" locations)
Design
2-way Coaxial
Tweeter Design
Dome
Tweeter Composition
Aluminum
Woofer Composition
Thermoformed Polypropylene
Woofer Surround
Butyl Rubber
Peak Power Handling
100 watts
RMS Power Handling
50 watts
Total PEAK Per Pair/Set
200 watts
Total RMS Per Pair/Set
100 watts
Sensitivity
88 dB
Frequency Response
46 - 20,000 Hz
Impedance (Per Voice Coil)
4 ohm
Shallow Mount Installation
No
Magnet Type
Ferrite
Top-Mount Depth (Mounting Depth)
2.4"
Bottom-Mount Depth
2.52"
Cutout Dimensions
5” x 7.1" 
CTA-2031 Compliant
No
General specifications
Marine Certified
No
Hi-Res Certified
No
Color
Black
Illumination
None
Speaker Grilles
No
Includes Damping Kit
without Damping Kit
Compatible vehicle types
Car/Truck/SUV/Van
What is in the box?
Paperwork
User manual
Warranty/Registration card
WITB: Speakers
Speakers (2)
Mounting screws (8)
Mounting clips (8)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

FKB168

Weight:

7.50lbs

Internal SKU:

fkb168

Internal Product ID:

146213

Customer Ratings & Reviews



5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

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Awesome sound

these speakers have amazing sound and quilts for an amazing price, unreal.

By Anonymous on September 15, 2019 Checkmark Icon Verified purchase

35 found this helpful Helpful?


By Tim on December 11, 2023 Checkmark Icon Verified purchase
2014 Ford F-150

17 found this helpful Helpful?


Great for the price

My 2005 f150 music wasn’t sounding clear till now. The bass is low but I am running them with my OEM head unit. I feel after new head unit this will sound even better

By Jason on June 24, 2024 Checkmark Icon Verified purchase
2005 Ford F-150

5 found this helpful Helpful?


By Christopher on July 17, 2025 Checkmark Icon Verified purchase
2002 Ford Explorer Sport Trac



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