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MB Quart FKB116

240W Peak (120W RMS) Formula Series 6.5" 2-Way Coaxial Speaker

MB Quart
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• RMS: 60W / Peak: 120W
• Tweeter Dome Material: Aluminum dome tweeters
• Speaker Surround: Butyl rubber surrounds provide durability and deeper mid-bass impact
• Cone Material: Lightweight thermal-formed polypropylene cones enable faster midrange response
• Surround Cone Coupling: The cone/surround connection utilizes a high temp adhesive which assure the cone and surround do not separate in high power uses or extremes of weather

Learn more about the do-not-use-fbk116

We apologize

This item has been discontinued

NVX - Worth the Envy - Direct to Consumer Car Audio

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Description


MB Quart brand icon

Authorized dealer

Product Details:

  • MB Quart FKB116
  • Formula Series 6.5" 2-Way Coaxial Speaker
  • Power Handling:
    • RMS: 60 Watts
    • Peak: 120 Watts
  • Impedance: 4 Ohm
  • Tweeter Dome Material: Aluminum dome tweeters
  • Speaker Surround: Butyl rubber surrounds provide durability and deeper mid-bass impact
  • Cone Material: Lightweight thermal-formed polypropylene cones enable faster midrange response
  • Surround Cone Coupling: The cone/surround connection utilizes a high temp adhesive which assure the cone and surround do not separate in high power uses or extremes of weather
  • Voice Coil: Pure Copper
  • Tweeter Size: 1"
  • Frequency Response: 40Hz - 22kHz
  • Sensitivity: 88dB
  • Dimensions:
    • Mounting Diameter / Cut Out: 5.59"
    • Outside Diameter: 7.01"
    • Mounting Depth / Chassis Depth: 2.13"
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty

Priced Per Pair

Check out the MB Quart FKB116 Owner's Manual

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Specifications & Details


Speaker Specifications
Series
Formula Series
Priced Per
Pair
Number of Speakers
2
Speaker Size
6-1/2"
Design
2-way Coaxial
Tweeter Design
Dome
Tweeter Size
1"
Tweeter Composition
Aluminum
Woofer Composition
Polypropylene
Woofer Surround
Butyl Rubber
Peak Power Handling
120 watts
RMS Power Handling
60 watts
Sensitivity
88 dB
Frequency Response
40 - 20000 Hz
Impedance (Per Voice Coil)
4 ohm
Bottom-Mount Depth
2.13"
Cutout Dimensions
5.59"
General specifications
Speaker Grilles
Yes
What is in the box?
WITB: Speakers
Speakers (2)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

DO-NOT-USE-FKB116

Weight:

4.50lbs

Internal SKU:

do-not-use-fbk116

Internal Product ID:

175485

Customer Ratings & Reviews


MB Quart FKB116 thumbnail image

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



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

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I would recommend this product

By Marketris on May 8, 2026 Checkmark Icon Verified purchase
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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.