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MB QUART FSB216 Formula Series 6.5” Component Speaker System

SKU: FSB216 P20067

The ideal balance of a high end car audio system requires the ideal mix of speaker tone, deep bass impact and clean undistorted power. The MB

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The ideal balance of a high end car audio system requires the ideal mix of speaker tone, deep bass impact and clean undistorted power. The MB Quart Formula Series of speakers provide the base for a great sounding, impeccable system. This 6-1/2 in. Formula Series Component Speaker System has aluminum dome tweeters with polypropylene cone speakers as well as external crossovers. Peak handling power on this 6-1/2 in. car speakers are 140 watts; RMS is 70 watts.


  • WIDESHERE creates a large "sweet spot" for all listeners, even from the smallest speakers
  • Aluminum dome tweeters deliver high output, extended frequency response & natural music reproduction
  • Butyl rubber surrounds provide durability & deeper mid-bass impact
  • Textured ABS gasket assures a rigid linear seal to the mounting surface
  • Pure copper voice coil creates a strong magnetic field with a very thin extrusion
  • Kapton voice coil former is lightweight & efficiently dissipates heat
  • Natural fiber allows flexibility while the infused epoxy gives strength during the manufacturing process
  • Over-coil cooling system allows air exchange over the voice coil through the spider
  • Heavy gauge progressive-die stamped steel frames for ultimate rigidity
  • 6.5"
  • 140W max/70W RMS
  • Freq resp: 55Hz–20kHz
  • Mounting dia: 5.59"
  • Outside dia: 7.01"
  • Mounting depth: 2.12"
  • Component system with external passive Butterworth crossover for a smooth transition of frequencies from midrange/midbass to the tweeter element designed into a compact crossover housing that can be easily hidden in the installation


  • Country of Origin: China
  • Individual Packaging Height: 4.3000 INCH
  • Individual Packaging: Retail
  • Inner Carton Quantity: 1
  • Individual Packaging Length: 16.7000 INCH
  • Warranty Period: ONE YEAR
  • Individual Packaging Weight: 5.4500 POUND
  • Individual Packaging Width: 7.9000 INCH
  • Cut Out Diameter: 5.5900 INCH
  • Cut Out Height: 5.5900 INCH
  • Cut Out Width: 5.5900 INCH
  • High Frequency Response: 20.0000 KILOHERTZ
  • Impedance: 4.0000 OHM
  • Low Frequency Response: 55.0000 HERTZ
  • Material Woofer: Rubber Surround, Polypropylene Cone
  • Mounting Depth: 2.1200 INCH
  • RMS Power: 70.0000 WATT
  • Number of Speakers: 2
  • Sensitivity (Clean): 88dB
  • Material Tweeter: Aluminum
  • Material Voice Coil: Copper
  • Series Name: FORMULA
  • Peak Power Rating: 140.0000 WATT
  • Cone Color: Black
  • Configuration: 2-Way
  • Tweeter Size: 1.0000 INCH
  • Woofer Size: 6.5"
  • Primary Color: Black
  • Manufacturer Color: Black
  • Product Height: 11.1000 INCH
  • Product Length: 42.2000 INCH
  • Product Weight: 4.6500 POUND
  • Product Width: 20.0000 INCH
  • Color: Black
  • Battery Information: Product does not require a battery
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