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authorized dealer for Boston Acoustics SX85 5 x 7 / 6 x 8 SX Series 2-Way Car Audio Speakers - Brand New

Boston Acoustics SX85 5" x 7" / 6" x 8" SX Series 2-Way Car Audio Speakers - Brand New

Item #: 74848 Availability: DISCONTINUED
Mfg Part No.: SX85 Condition: Brand New

Free 2-Year Warranty


For pick-up:   Please give us a call to confirm your order so we can have the product ready for you.

The clear, well-balanced sound of Boston Acoustics SX speakers offers an excellent performance boost to almost any car audio system.

The SX85 6"x8" speaker combines Boston's Type-S2 tweeter with a heavy duty copolymer woofer and a durable rubber surround. A contoured tweeter plane provides an extended stereo "sweet spot" for smooth, realistic high-frequency response — no matter where you're sitting.

A built-in crossover sculpts the frequencies going to the woofer and tweeter for smooth blending of the highs and mids, and protects the tweeter against power overload. Compact, lightweight neodymium magnets reduce the size of these speakers so they can fit in more vehicles without sacrificing performance.


  • Boston Acoustics SX-85 5" x 7" / 6" x 8" SX Series 2-Way Speakers
  • Power Handling:
    • Peak: 160 watts
    • RMS: 50 watts
  • Sensitivity   90 dB
  • Frequency Response   50 Hz - 20 kHz
  • Impedance   4 ohms
  • Top Mount Depth   2-1/4"
  • Cutout Dimensions   5" x 7-1/8"
  • 3/4" Type S2 Kortec Dome Tweeters
  • Neodymium Woofer and Tweeter Magnets
  • Integrated Crossover
  • Contoured Tweeter Plane Improves Off-Axis Response
  • Copolymer Woofer Cones
  • Butyl Rubber Surrounds
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