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Helix Blue B5X

5-1/4" 2-way car speakers

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  • Helix Blue B5X

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Our take on the Helix Blue B5X

by John Pollard
HELIX

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.

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.

Blue Series B5X 5-1/4

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 the little details in your music without breaking the bank, you'll want to check out these Helix speakers. Grilles are included.

See more info on this item

Highlights:

  • 5-1/4" 2-way speakers (pair)
  • injection-molded polypropylene woofer cone with urethane surround
  • 1/2" Mylar dome tweeter
  • power range: 5-35 watts RMS (100 watts peak power)
  • frequency response: 70-22,000 Hz
  • sensitivity: 90 dB
  • top-mount depth: 2"
  • 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 2-way
Tweeter Design 1/2" Dome
Tweeter Composition Mylar
Woofer Composition Injected Polypropylene
Woofer Surround Urethane Foam
Parts Warranty 2 Years
Labor Warranty 2 Years
Specifications
Sensitivity 90 dB at 1 watt
Frequency Response 70 - 22k Hz
RMS Power Range (Watts) 5-35
Peak Power Handling (Watts) 100
Impedance (Ohms) 4
Top-mount Depth (Inches) 2
Bottom-mount Depth (Inches) 2 1/4
Cutout Diameter or Length (inches) 4 3/4
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 10' 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 5X are shipped with a rubber magnet cover to protect the speaker. If the cover is removed the depth changes slightly:

  • Top Mount Depth: 1.867"
  • Bottom Mount Depth: 2.099"
 
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Helix Blue B5X Reviews

Average Customer Review:

13 people say:

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3 out of 5

5.25" Speakers

Written By KurtM, SLC, Ut on Friday, September 26, 2014
Crutchfield Customer Review (What's this?)
 
Purchased for a really nice 1993 Chrysler LeBaron convertible. The speakers fit in the door pockets fine, but the screw holes were about .25" too small to match up with the original holes so I had to drill one new hole. They are nice rugged speakers, seem to be well built .
Pros:
Great mid and treble through tweeter.
Cons:
No bass at all. Very muddy when sound is turned up. I even installed an amp and the bass is just awful.
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1 out of 5

Does not fit 2014 Accord!

Written By dror, NYC on Saturday, February 22, 2014
Crutchfield Customer Review (What's this?)
 
These speakers might be good for a very small car, they are listed as good fit for 2014 Accord, they are much smaller than the original speakers, even with the bracket they do not fit simply because you'll be left with a big gap around the speaker! After spending 3 hours dissembling the front door and desperately trying to make it fit, it simply did not work and I'm returning them.
Pros:
they did not fit my car!
Cons:
they did not fit my car, 2014 Accord
3 out of 6 people found this helpful
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5 out of 5

HELIX Blue B5X

Written By fshnfool, mt holly nc on Sunday, August 11, 2013
Crutchfield Customer Review (What's this?)
 
excellent sound for the money
Pros:
.
Cons:
.
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5 out of 5

For Chevy Avalanche

Written By firemarshalbill, West Newbury Ma on Monday, August 05, 2013
Crutchfield Customer Review (What's this?)
 
Sound is great install was simple
Pros:
Great sound
Cons:
none
Was this review helpful?    Yes | No
 
4 out of 5

HELIX Blue B5X

Written By Danny, VAncouver, WA on Monday, May 06, 2013
Crutchfield Customer Review (What's this?)
 
I installed these in my 1983 300D Mercedes. I would have givin these speakers 5 stars if I could have used my OEM grills.
Pros:
great sound
Cons:
These speakers are a little to big to fit in the OEM holes.Had to rip out speaker hole supports and could not use OEM speaker grills.
2 out of 3 people found this helpful
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3 out of 5

Great Highs

Written By Jimmy A., Puerto Rico on Monday, April 22, 2013
Crutchfield Customer Review (What's this?)
 
I replaced my door speakers with the Helix B5X 5.5 inches. I found that they have excellent high tones. I am not impressed with low tones. Actually if I increase to much the bass the sound distorted. If you have larger drivers in your car these are a great addition, otherwise they do not provide enough bass by themselves.
Pros:
High and mid tones.
Cons:
Low tones.
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5 out of 5

good replacement speakers

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

Great

Written By TomG, Massachusetts on Wednesday, April 03, 2013
Crutchfield Customer Review (What's this?)
 
Great sound
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5 out of 5

Good sound

Written By Mark, redondo beach, ca on Wednesday, March 27, 2013
Crutchfield Customer Review (What's this?)
 
Very good sound, Installed in my 04 Chevy HD the installation was easy and took about an hour...
Pros:
sound, price, easy install..
Cons:
0
1 out of 1 people found this helpful
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5 out of 5

Whoa.

Written By kjacksonmusic, Florida on Wednesday, March 13, 2013
Crutchfield Customer Review (What's this?)
 
these speakers were a huge improvement over my 70$ a pair kenwood 6 1/4" speakers, yes even though those were a inch or so larger, these have a much better and more sensitive response. I don't believe I will put another brand of speaker in my car again.
Pros:
Great sound, easy install. Looks good.
Cons:
NONE
1 out of 1 people found this helpful
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5 out of 5

Awesome

Written By johnny_n, Kansas City, Mo. on Wednesday, January 30, 2013
Crutchfield Customer Review (What's this?)
 
The sound of these speakers is incredible. Another great recommendation from Crutchfield!
Pros:
Fantastic sound, beautiful build, they are works of art, good price for the quality
Cons:
None
2 out of 2 people found this helpful
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5 out of 5

nice

Written By bert, columbus, ohio on Thursday, December 27, 2012
Crutchfield Customer Review (What's this?)
 
Great bass n sound overall
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5 out of 5

Wicked speakers

Written By Ryan, Massachussets on Sunday, September 09, 2012
Crutchfield Customer Review (What's this?)
 
I ordered these speakers for my 05 accent coupe and I have to admit that these speakers are awesome. The 5 1/4 speakers are not "bassie" like a 6x9 is, however with a little tweaking and a few minuets you can tune in the sound with your head unit and get some decent results. If you have a car like mine with a relatively small interior volume, these speakers will make a big difference. If your looking for a bit more bass but not quite enough to shatter windows as you drive down your street take a look at the sound ordinance bt-8 for a better listening experience. If you have any further doubts about the helix b5x, just try them out I'm happy that I did
Pros:
Great sound
Cons:
No wiring harness, you'll have to hard wire these in to your factory system. It's easy as pie if you have a soldering iron
8 out of 8 people found this helpful
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For a more in-depth review and enhanced detailed information on the Helix Blue B5X, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_975B5X/Helix-Blue-B5X.html ).