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Helix Blue B6X 6-3/4" 2-way car speakers

Item # 975B6X

Helix builds their low-profile Blue Series speakers to fit into more factory speaker locations while maintaining...

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Helix builds their low-profile Blue Series speakers to fit into more factory speaker locations while maintaining...

Item # 975B6X

Shop all Match 6", 6-1/2" & 6-3/4" Speakers

About the Helix Blue B6X

John Pollard

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.
Helix Blue B6X

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.

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Product 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
  • MFR # B6X

What's in the box:

  • 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

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More details on the Helix Blue B6X

Pat M.

Features & specs

General
Speaker Size
Design 2-way
Tweeter Design 1/2" Dome
Impedance (Ohms) 4
Tweeter Composition Mylar
Woofer Composition Injected Polypropylene
Woofer Surround Urethane Foam
Parts Warranty 2 Years
Labor Warranty 2 Years
Specifications
Sensitivity (1W at 1 meter) 91
Sensitivity at 2.83 volts N/A
Frequency Response 60 - 22k Hz
Minimum RMS Wattage 5
Maximum RMS Wattage 40
Peak Power Handling (Watts) 120
Top-mount Depth (Inches) 2 5/16
Bottom-mount Depth (Inches) 2 1/2
Cutout Diameter or Length (inches) 5 5/8
Mounting Height (Inches) 0.2
Frame Width 6.507
Frame Length 6.507

Product Research

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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