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Boston Acoustics S85

6"x8" 2-way car speakers

Item # 065S85

Boston Acoustic's S series speakers let you enjoy clear, natural sound, even with a low-powered system.

Find what Fits your vehicle

Boston Acoustic's S series speakers let you enjoy clear, natural sound, even with a low-powered system.

Discontinued item

Item # 065S85

About the Boston Acoustics S85

Boston Acoustic's S series speakers let you enjoy clear, natural sound, even with a low-powered system. And with a wide variety of sizes, you'll find a set for most commonly-sized speaker openings.

Boston Acoustic's S series speakers let you enjoy clear, natural sound, even with a low-powered system. And with a wide variety of sizes, you'll find a set for most commonly-sized speaker openings.

The Boston S85 6"x8" speaker features a 3/4" tweeter with a built-in cooling system for long term reliability and excellent power handling. A contoured tweeter plane guides high-frequency output to create a larger listening "sweet spot," while Boston's Amplitude Modification Device (AMD™) reduces harshness in the upper mids for clear, detailed sound.

The sturdy woofer cone teams up with a durable butyl rubber surround to produce tight, clean bass with minimal distortion. And you'll hear a smooth blend between the woofer and tweeter, thanks to the built-in crossover. Grilles are not included. (Factory grilles are appropriate for most installations.)

Note: Although the Boston Acoustics owner's manual for this speaker says that it's a 5"x7" speaker, our research has determined that it only fits into 6"x8" openings.


Priced per pair
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Product highlights:

  • 2-way 6"x8" speakers (pair)
  • copolymer woofer cone with rubber surround
  • 3/4" Type-S3 soft dome tweeter
  • power range: 2-35 watts RMS (120 watts peak power)
  • frequency response: 50-20,000 Hz
  • sensitivity: 92 dB
  • top-mount depth: 2-1/4"
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # S85

What's in the box:

  • Two 2-way speakers
  • 2 Bottom mount rings
  • Two 8" Lengths of speaker wire (each length of speaker wire has quick-slides on one end and bare wire on the other)
  • Eight 1" Hex head screws
  • Allen wrench driver attachment
  • 8 Speed clips
  • 8 Butt connectors
  • Specification sheet
  • Warranty card
  • Product registration card

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More details on the Boston Acoustics S85

Pat M.

Features & specs

General
Speaker Size
Design 2-way
Tweeter Design 3/4" Dome
Impedance (Ohms) 4
Tweeter Composition Not Given
Woofer Composition Copolymer
Woofer Surround Butyl Rubber
Parts Warranty 2 Years
Labor Warranty 2 Years
Specifications
Sensitivity (1W at 1 meter) 92
Sensitivity at 2.83 volts N/A
Frequency Response 50 - 20k Hz
Minimum RMS Wattage 2
Maximum RMS Wattage 35
Peak Power Handling (Watts) 120
Top-mount Depth (Inches) 2 1/4
Bottom-mount Depth (Inches) 2 3/4
Cutout Diameter or Length (inches) 0
Mounting Height (Inches) 0.406

Product Research

Features
Speaker Size Note

Features

Tweeter: The type-S3 3⁄4-inch tweeter's soft dome is Ferro fluid cooled for excellent power handling and reliability. The AMD (Amplitude Modification Device) located on the tweeter plane provides acoustical tuning for the midrange response while the shape of the tweeter plane improves off-axis response.

Woofer: The copolymer woofer cone with durable butyl rubber surround stands up to the harsh automotive environment.

Crossover: Each speaker in Boston's S line features a specifically tuned crossover to deliver the best transition between the woofer and tweeter.

Speaker Size Note

Speaker Size: Although this speaker looks like a combination 5"x7"/6"x8" speaker, the cutout required for the speaker is larger than that of other combination 5"x7"/6"x8" speakers. Because of the larger cutout requirement, this speaker will only work in 6"x8" speaker locations.

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