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Boston Acoustics SC55

5-1/4" 2-way car speakers

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Item# 065SC55 offer details

Item# 065SC55

Review Summary

 
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Boston Acoustics

Why replace your car's original speakers?

The speakers that originally came in your car were made from inexpensive materials, designed to create acceptable sound at the lowest possible cost to the manufacturer. If you love music, you deserve better. Name-brand aftermarket speakers deliver fuller, richer sound with considerably more detail and nuance, and they're capable of playing louder and cleaner than factory speakers. Connect new speakers to your factory radio and you'll get the best possible sound from your dealer-equipped system. Pair them up with a new car stereo for a level of enjoyment that can rival a high-fidelity home audio experience.

Our take on the Boston Acoustics SC55

by Buck Pomerantz

Boston Acoustics SC Series speakers bring brilliant sound to your vehicle's audio system. Their precision construction and sensitive response allow them to deliver superb performance, filling your car with perfectly balanced sound and making your drive much more pleasurable.

The Boston Acoustics SC55 5-1/4" speaker features a tough copolymer 5-1/4" woofer that really delivers the beat. A butyl rubber surround keeps the cone under tight control for clear sound and reliable operation even at extreme playback levels. The 3/4" Kortec® dome tweeter sits in a contoured baffle that widens the dispersion of your high notes, providing clean, well-balanced instrumental detail throughout your car.

A built-in crossover makes sure the highs and lows combine smoothly, and protects the tweeter from sudden overloads. The compact neodymium magnet helps reduce the size of the SC Series speaker, so it can fit in more vehicles without any loss of fidelity.

Note: The oversized terminals on these speakers won't connect to a Crutchfield wiring harness. We recommend that you buy a 10-pack of female quick slides that you can splice onto our harness.

Highlights:

  • 5-1/4" 2-way speakers (pair)
  • copolymer woofer cone with butyl rubber surround
  • 3/4" Type-S2 Kortec dome tweeter
  • compact neodymium magnet for shallower mounting depth
  • power range: 2-50 watts RMS (150 watts peak power)
  • frequency response: 60-20,000 Hz
  • sensitivity: 90 dB
  • top-mount depth: 2-3/16"
  • warranty: 2 years
  • Our 60-day money-back guarantee
Shop all Boston Acoustics 5-1/4" Speakers

    Priced per pair

     

    Hands-on research from the Crutchfield Labs (what are the Labs?)

    Features and Specs

    Features and Specs
    General
    Design
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    2-way
    Tweeter Design
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    3/4" Dome
    Tweeter Composition
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    Kortec
    Woofer Composition
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    Copolymer
    Woofer Surround
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    Butyl Rubber
    Parts Warranty
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    2 Years
    Labor Warranty
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    2 Years
    Specifications
    Sensitivity
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    90 dB at 1 watt
    Frequency Response
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    60 - 20k Hz
    RMS Power Range (Watts)
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    2-50
    Peak Power Handling (Watts)
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    150
    Impedance (Ohms)
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    4
    Top-mount Depth (Inches)
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    2 3/16
    Bottom-mount Depth (Inches)
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    N/A
    Cutout Diameter or Length (inches)
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    4 9/16

    Product Research

    Product Research
    What's in the box?

    Download owner's manual

    • Two 2-way speakers
    • 2 Grilles
    • 2 Grille rings
    • 2 Adhesive backed foam gaskets
    • Two 8" Lengths of speaker wire (each has quick-slides on one end and bare wire on the other)
    • Eight 1" Self tapping screws
    • 8 Speed clips
    • 4 Butt connectors
    • Specification sheet
    • Warranty information
    • Product registration card

    Our Product Research Team

    At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

    Features

    Tweeter: Each speaker uses a type-S2, 3/4" Kortec dome tweeter. Kortec is a silky fabric saturated on the underside with a proprietary stiffening agent. Because the inside surface of the dome is ultra stiff, the tweeter tracks the signal with ease and produces an excellent transient attack. Simultaneously, the soft, self-dampening top layer eliminates unwanted resonance, so the sound is smooth and articulate. The Contoured Asymmetrical Tweeter Baffle (CATB) delivers smooth extension and strong on-axis and off-axis response.

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

    Crossover: All SC series speakers feature specifically tuned crossovers to deliver the best blend between the tweeter and woofer. Each also features tweeter protection for optimal performance and reliability.

    Voice Coil: The oversized 1-1/2" voice coil increases overall power handling and reliability.

    Installation: The compact size of the magnet allows SC series speakers to fit where other high quality speakers don't. Neodymium magnets offer extraordinary power-to-weight ratio, approximately ten times the magnetic strength of a conventional iron-ferrite magnet of equal size.

    Speaker Terminals: These speakers have 0.25" positive (+) terminals and 0.187" negative (-) terminals, which are too large for the vehicle-specific speaker harnesses supplied by Crutchfield for many vehicle applications. It is recommended that a pack of assorted female quick slides (item # 263FQS10PK) be purchased and spliced to the harnesses to adapt them to the speaker terminals.

     

    Product Reviews

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    Reviews for the Boston Acoustics SC55

    Average Customer Review:

    7 people say:

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    Showing: 1-7 of 7
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    4 out of 5

    Very good speakers

    Written By Mtnblue222, Washington, DC on Sunday, December 09, 2012
    Installed in a 1997 Acura Integra
    Crutchfield Customer Review (What's this?)
     
    These speakers have been a great replacement for the original speakers in my car. They produce a crisp sound with a strong mid-range. I have separate tweeters in the door. I am happy with this purchase.
    Was this review helpful?    Yes | No
     
    5 out of 5

    Boston Acoustics SC55

    Written By MonteCarlo31, Houston, TX on Tuesday, December 04, 2012
    Installed in a 2006 Chevrolet Silverado 1500
    Crutchfield Customer Review (What's this?)
     
    Quality speakers however might be too much for a stock headunit to handle.
    Pros:
    Great highs. Good middle.
    Cons:
    Make sure you have a sub in your vehicle if using these. Great middle and high notes, no low available.
    Was this review helpful?    Yes | No
     
    2 out of 5

    Disappointed - Not for Honda CR-V

    Written By RayR, New Hampshire on Friday, November 23, 2012
    Installed in a 2008 Honda CRV EX
    Crutchfield Customer Review (What's this?)
     
    I bought these for my wife's Honda CR-V, after her rear door speakers stopped working. They look like great speakers. The mounting bracket that ships with them fits in the door and has screw holes in the right places, but is sized for larger speakers. There is a half inch ring of airspace around the outside between the bracket and the speaker. The lack of a solid baffle in this installation completely kills the bass response. I called customer support, and they said that's the way they are, and I could fabricate a custom baffle if I wanted. Unfortunately, I don't have the jigsaw or the patience to take the car doors apart again, at least not today. Basically, I spent this much and 5 hours, and they sound worse than the factory speakers.
    Pros:
    These speakers might be great - I don't really know what they sound like when installed in the proper enclosure.
    Cons:
    The problem is not with the speakers themselves, it's with the mounting kit that they come with. Should not be recommended for Honda CR-V
    2 out of 3 people found this helpful
    Was this review helpful?    Yes | No
     
    4 out of 5

    Great sounding

    Written By jer, Counce,TN on Wednesday, November 14, 2012
    Installed in a 2005 Jeep Wrangler
    Crutchfield Customer Review (What's this?)
     
    Great replacement for factory s
    Was this review helpful?    Yes | No
     
    5 out of 5

    Boston AcousticsSC55

    Written By Bob, St Louis, MO on Sunday, June 03, 2012
    Crutchfield Customer Review (What's this?)
     
    Good sound for a small speaker. Used in Rear door of a Honda Fit. Front speakers do most of the "work" anyway, front is Focal Polyglass VR 30 powered by a 4 X 50 Sony amp. The Focals are sweeeeet. These SC55s didn't fit the rear doors, using the provided adapter, because the stock speaker grill is concave, which caused the grill to contact the tweeter assembly before the door panel was completely snapped in place. Had to make my own adapter. Not a big deal............sounded good after a bit of creative engineering.

    Pros:
    Good highs, OK mid bass. No bass, but didn't expect any from a 5 1/4" speaker. (bass is the job of my 10" Kappa Perfect) Nice sound for the $109 sale price.
    Cons:
    None except the fit issue.
    1 out of 1 people found this helpful
    Was this review helpful?    Yes | No
     
    5 out of 5

    Excellent sounding speakers!

    Written By PaulM, Cary, NC on Sunday, May 08, 2011
    Installed in a 1987 Porsche 911 Carrera
    Crutchfield Customer Review (What's this?)
     
    I installed these speakers in the doors of my 1987 Porsche 911 to replace some old tired paper units. What a difference! The quality of the sound is great: crisp highs and excellent mid range; bass is decent considering these are only 5 1/4. These speakers can handle a lot of volume and not lose their composure - I'm not running an amp, just the head unit, so the efficiency of these SC55s is great. I would highly recommend these speakers.
    3 out of 3 people found this helpful
    Was this review helpful?    Yes | No
     
    4 out of 5

    Great sound, light, but tight Bass

    Written By Paul, Vermont on Wednesday, October 27, 2010
    Installed in a 2008 Honda Civic LX
    Crutchfield Customer Review (What's this?)
     
    Installed these in my '08 Civic. Also have the larger SC 65 in my front doors. Great sounding speakers! I have had several pairs of Boston's in the past and the detail in these is quite impressive. You will here things in music you have never heard before -even on high end equipment. The "mids" and "highs" are excellent. The Bass however while very solid and tight is a bit lacking in volume. I'm only using a stock receiver, so maybe more power would help. Crutchfield was helpful, but the speaker brackets they included for my rear deck were not really great; there were large gaps and airholes. I just didn't like the brackets so I made my own out of MDF board. I traced the outlines of the stock speakers (weird shape) and cut the outline out and painted it black. Looks professional, and provides a solid base for the speakers.
    5 out of 5 people found this helpful
    Was this review helpful?    Yes | No
     
    1-7 of 7

    Accessories

    Add accessories for the Boston Acoustics SC55

    Reduce ambient road noise and your vehicle's "rattles," for better sound inside your car. See all categories & accessories

    Dynamat 10415 Xtreme Speaker Kit Two 10-in. x 10-in. Sheets
    27 people say 
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    Dynamat 10435 Xtreme Door Kit With four 12" x 36" sheets — covers two doors
    21 people say 
    Your Price: $99.99
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    Dynamat SuperLite Tri-Pak Triple package — 3 sheets, 12 square feet (Model #10612)
    7 people say 
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    XTC 5-1/4" Speaker Baffles Protect your speakers (3-3/4" depth)
    32 people say 
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    Boom Mat 5-1/4-inch Speaker Baffles Protect your speakers
    Regular and slim-line sizes (Regular: 4" depth)
    1 person says 
    Your Price: $7.99
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    StreetWires 14-gauge Super Cable™ Speaker Wire Translucent blue jacket — priced per foot (Clear)
    3 people say 
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    StreetWires 16-gauge Super Cable™ Speaker Wire Blue jacket — priced per foot
    17 people say 
    Your Price: $0.49
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    StreetWires 12-gauge Ultra Cable™ Speaker Wire Blue/copper jacket — priced per foot
    56 people say 
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    StreetWires 14-gauge Ultra Cable™ Speaker Wire Blue/copper jacket — priced per foot
    30 people say 
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    Stinger PRO Series 16-gauge Speaker Wire Black jacket — priced per foot
    7 people say 
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    Metra Female Quick Slides An assortment of female quick slide connectors for connecting to speaker terminals
    4 people say 
    Your Price: $1.99
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    Metra Crimp Tool and Connectors Package contains crimp tool and over 150 pieces
    5 people say 
    Your Price: $19.99
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    Posi-Products™ Car Speaker Connectors 8 connectors for installing car speakers
    10 people say 
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    S&G Wire Cutter/Stripper Tool Cuts and strips 12- to 22-gauge wire
    5 people say 
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    S&G Tool Aid 87615 Window and Door Clip Removal Tool
    11 people say 
    Your Price: $7.99
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    S&G Tool Aid 87650 Door Trim and Panel Removal Tool
    51 people say 
    Your Price: $9.99
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    Pro.Fit Hook Tool Set Installation tools — pair
    5 people say 
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    Pro.Fit Trim Panel Tool Remove your vehicle's trim panels without damage
    37 people say 
    Your Price: $5.99
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    Pro.Fit Wire Worm Installation tool helps route wiring through tight spaces
    19 people say 
    Your Price: $12.99
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    Bojo Trim Panel Tools Set of 6 plastic tools — helps remove interior and exterior trim and door panels
    20 people say 
    Your Price: $24.99
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    DEI Heat Shrink Tubing Black 4-foot length (Assortment)
     
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    Skewdriver Pro SPK4042 Ratcheting straight and offset screwdriver set with 40 bits (Skewdriver Pro with ratchet handle, pictured)
    6 people say 
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    Spec Tools SQR-200a Squeeze Wrench Narrow space ratchet kit with 18 sockets
    1 person says 
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    InstallCard: Speaker or Subwoofer Prepaid installation card — for one pair of speakers or a subwoofer
    13 people say 
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    Bass Blockers Pairs (300 Hz cut-off)
    51 people say 
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    Smart people protect with SquareTrade- The best warranty at the best price

    SquareTrade Warranty
    SquareTrade Warranty 3 Year Warranty
    Your Price: $13.99
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    In business since 1999, SquareTrade is the largest independent warranty provider in the U.S.

    100% parts and labor - no deductibles

    All mechanical and electrical failures covered, includes normal wear and tear.

    Your item's repaired or the full item price returned withing 5 days

    Runs concurrent with manufacturer's warranty

    Rated 5-stars by consumers

    For a more in-depth review and enhanced detailed information on the Boston Acoustics SC55, please visit the Crutchfield website product page (/S-7pHtwOKHLah/p_065SC55/Boston-Acoustics-SC55.html ).

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      Boston Acoustics SC55
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      Boston Acoustics SC55