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Boston Acoustics S55

5-1/4" 2-way car speakers

Item # 065S55

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

Find what Fits your car

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

Discontinued item

Item # 065S55

About the Boston Acoustics S55

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 S55 5-1/4" 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 Acoustical 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. You'll hear a smooth blend between the woofer and tweeter, thanks to the built-in crossover.

Priced per pair

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Product highlights:

  • 2-way 5-1/4" speakers (pair)
  • copolymer woofer cone with rubber surround
  • 3/4" Type-S3 soft dome tweeter
  • power range: 2-35 watts RMS (100 watts peak power)
  • frequency response: 60-20,000 Hz
  • sensitivity: 92 dB
  • top-mount depth: 1-7/8"
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # S55

What's in the box:

  • Two 2-way speakers
  • 2 Grills
  • 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 S55

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 60 - 20k Hz
Minimum RMS Wattage 2
Maximum RMS Wattage 35
Peak Power Handling (Watts) 100
Top-mount Depth (Inches) 1 7/8
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 4 9/16
Mounting Height (Inches) 0.468

Product Research

Features

Tweeter: The type-S3 3⁄4-inch tweeter's soft dome is Ferro fluid cooled for excellent power handling and reliability. The AMD (Acoustical 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.

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