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MB Quart FKB 157

5" x 7" / 6" x 8" 2-Way Formula Series Coaxial Speakers

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Price Information

$99.99

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$44.99

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Why Shop Sonic?

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Customer Testimonial

I ordered 2 subwoofers but accidentally purchased the wrong model. When I realized it I immediately sent an email to the Sonic Electronix Sales asking to change the order before it was processed. Michael Van L. responded right away and helped me fix the order. Thanks!

- Brad from St Louis

See more…
  • 5" x 7" / 6" x 8" Formula Series 2-Way Car Speakers
  • Power Handling:
    • Peak: 300 watts per pair / 150 watts each
    • RMS: 80 watts per pair / 40 watts each
  • Dark gray polypropylene cone
  • Butyl rubber surround for smooth speaker response
  • 3/4" (19mm) Titanium dome tweeter
  • Woven tinsel leads
  • 4 ohms impedance
  • High temperature voice coil
  • Spade speaker terminals
  • Top-mount depth: 2-1/4"
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Priced Per Pair

Speaker Specifications
Speaker Size 5" x 7" (also mounts in most 6" x 8" locations)
Design 2-way
Tweeter Design Dome
Tweeter Composition Titanium
Woofer Composition Polypropylene
Woofer Surround Butyl Rubber
Peak Power Handling 150 watts
RMS Power Handling 40 watts
Sensitivity 88 dB
Frequency Response 55 - 32,000 Hz
Impedance (Per Voice Coil) 4 ohms
Shallow Mount Installation No
Top-Mount Depth 2-1/4"
Bottom-Mount Depth 2-3/8"
Cutout Dimensions 5-1/16" x 7-1/8" 
Speaker Grilles No
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 1 year
Labor Warranty Duration 1 year
Warranty Provider Manufacturer
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22-18 AWG Butt Connectors 22-18 AWG Butt Connectors
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16-14 AWG Butt Connectors 16-14 AWG Butt Connectors
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Tone Generators and Sound Testing Equipment
Optimize your new system's sound quality by testing and calibrating all of your components with these items.
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Main Product
  Product Price Add?
MB Quart FKB 157 MB Quart FKB 157 $44.99

Product Summary

Manufacturer: MB Quart
Model number: FKB 157
UPC: 806576217664
Weight: 4.59 lbs
Internal SKU: fkb157
Internal product ID: 33023