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HELIX Blue B6X

6-3/4" 2-way car speakers

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  • HELIX Blue B6X

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  • HELIX Blue B6X

  • HELIX Blue B6X

 

Our take on the HELIX Blue B6X

by John Pollard
HELIX

Why replace your factory 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.

German engineering meets car audio

HELIX builds their low-profile Blue Series speakers to fit into more factory speaker locations while maintaining their high standards for sound quality. Helix earned its reputation by paying attention to the details, and these speakers really uphold the family name.

The Blue Series B6X 6-3/4" speakers make the most out of the power they're given, so they'll sound great paired up to an aftermarket car stereo. But they can handle up to 40 watts RMS of real-world power, so hook them up with an external amplifier if you really want to bring them to life. The added power gets you better bass and more accurate stereo separation, and your ears will thank you for the extra juice.

The drivers

You'll hear excellent high-frequency detail from the 1/2" Mylar dome tweeter, while the polypropylene woofer supplies solid, punchy bass. If you want to enjoy all the little details in your music without breaking the bank, you'll want to check out these Helix speakers. Grilles are included.

Note: HELIX describes this model as a 6-1/2" speaker. Most manufacturers designate this same frame size as a 6-3/4" speaker. For simplicity's sake we list it as a 6-3/4" speaker.

See more info on this item

Highlights:

  • 6-3/4" 2-way speakers (pair)
  • injection-molded polypropylene woofer cone with urethane surround
  • 1/2" Mylar dome tweeter
  • power range: 5-40 watts RMS (120 watts peak power)
  • frequency response: 60-22,000 Hz
  • sensitivity: 91 dB
  • top-mount depth: 2-5/16"
  • grilles included
  • warranty: 2 years
  • Our 60-day money-back guarantee

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

Features and Specs
General
Design
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2-way
Tweeter Design
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1/2" Dome
Tweeter Composition
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Mylar
Woofer Composition
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Injected Polypropylene
Woofer Surround
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Urethane Foam
Parts Warranty
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2 Years
Labor Warranty
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2 Years
Specifications
Sensitivity
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91 dB at 1 watt
Frequency Response
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60 - 22k Hz
RMS Power Range (Watts)
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5-40
Peak Power Handling (Watts)
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120
Impedance (Ohms)
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4
Top-mount Depth (Inches)
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2 5/16
Bottom-mount Depth (Inches)
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2 1/2
Cutout Diameter or Length (inches)
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5 5/8
Product Research
What's in the box?

Download owner's manual

  • Two 2-way speakers
  • 2 Grilles
  • 8 Speed clips
  • Eight 1" Self-tapping screws
  • Two 5' Lengths of speaker wire (female quick-slides on one end and tinned wire on other)
  • Instruction manual (English/ German)
  • Template

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

Woofer Materials: Each woofer cone is made of Injection-Molded Polypropylene. This process of cone molding assures a uniform cone thickness for superior linearity and clarity. It is also lighter weight and more rigid for decreased distortion and improved bass response.

Mylar Tweeters: Each speaker has a 1/2" Mylar dome tweeter for clean, accurate highs.

Magnet cover: The B 6X are shipped with a rubber magnet cover to protect the speaker. If the cover is removed the depth changes slightly:

  • Top Mount Depth: 2.229"
  • Bottom Mount Depth: 2.393"

Size Classification Note: Crutchfield has traditionally referred to this size speaker as a 6-3/4", while some manufacturers, including Helix (Audiotec Fischer), call it a 6-1/2". Please refer to the Crutchfield Vehicle Selector to confirm fit in your vehicle.

 
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HELIX Blue B6X Reviews

Average Customer Review:

4 people say:

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Filter by rating:
5 out of 5

HELIX Blue B6X

Written By Anonymous, Brunswick GA on Wednesday, August 20, 2014
Crutchfield Customer Review (What's this?)
 
very efficient, very low power demands.
Pros:
very efficient, no need for a separate amp, just get a powerful receiver and flat sub woofer amp combo.
Was this review helpful?    Yes | No
 
3 out of 5

Clear sounding

Written By Craig, Baltimore,MD on Sunday, January 19, 2014
Crutchfield Customer Review (What's this?)
 
The sound is clear but the base is absent. These speakers were purchased to replace a set of 8" round speakers with center tweeter. Initial sound quailty is good, but there is a marker loss of bass in the sound system. I'm hoping that when they are used for awhile, they will loosen up and produce more bass response.
Pros:
Easy to install with great sound quality
Cons:
Poor bass response.
Was this review helpful?    Yes | No
 
5 out of 5

good replacement speakers

Written By ldrmanbgft, Stuarts Draft VA on Sunday, April 21, 2013
 
Good replacement speakers for my 98 Volvo V70 XC AWD. A whole lot better than stock speakers. Got decent bass, but, if you want thumping bass, get a seperate sub-woofer, as I plan to do in the near future. Overall, I am very satisfied. Thanks Crutchfield!!
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5 out of 5

Great sound

Written By Matt W, Melbourne FL on Thursday, August 09, 2012
Crutchfield Customer Review (What's this?)
 
These were the missing piece in my 2011 Tacoma. My stereo system sounded pretty good before with new head unit and subs but the real clarity in the music came after installing these!
Pros:
Great sound Easy installation with Crutchfield's instruction sheets
Cons:
None found yet
6 out of 7 people found this helpful
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For a more in-depth review and enhanced detailed information on the HELIX Blue B6X, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_975B6X/HELIX-Blue-B6X.html ).