Helix Competition C63C

6-3/4" 3-way component speaker system

Item #: 975C63C

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Was:$2,199.99

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Installation gear for most cars

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Helix Competition C63C

Helix's eye for design gives you the option of putting these stylish external crossover systems on display.

German-built quality

Helix's flagship Competition line embodies their mindset as a speaker company — use high-quality materials combined with precise German engineering to create speakers that deliver reference-level sound. These speakers will bring out nuances in your music that you haven't heard in your car before, while providing imaging and staging comparable to a set of premium home speaker towers. Helix built the Competition speakers for the mobile audiophile who wants the same level of sound quality in the car as he or she enjoys at home.

Precision drivers

The Competition C63C component speaker set owes its smooth, detailed highs to a 1" silk dome tweeter, while a 2" silk dome driver adds the crucial midrange details that make musical instruments sound so natural. Helix uses Agave sisalana, an incredibly stiff natural fiber, to create a 6-3/4" woofer cone that delivers powerful, accurate low-frequency response, adding warmth and impact to your music. These components work together to create a lifelike musical soundscape that'll make you feel like you're listening to your favorite performers live.

High-quality crossover

Helix builds the massive 3-way crossover network with the highest quality parts available, so it can guide the correct frequencies to each driver without any troubling "hot spots" or dropouts. You can adjust the tweeter level on the crossover to your preference, and you'll even find a second set of woofer outputs so you can add another set of 6CB woofers for more kick-drum impact. This Competition speaker system will inspire your driving time with its impressive soundstage and musical performance.

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.

Installation note: You'll need a pair of our universal backstraps to install the tweeters in the factory locations.

Product Highlights:

  • component speaker system includes two 6-3/4" woofers, two midrange speakers, two tweeters, and two external crossovers
  • Agave sisalana fiber woofer cone with elastomer structural damping
  • rubber surround
  • 2" silk dome midrange
  • 1" silk dome tweeter
  • 3-way external crossover with tweeter adjustment
  • 4-ohm impedance
  • power range: 10-190 watts RMS (380 watts peak power)
  • frequency response: 47-25,000 Hz
  • sensitivity: 91 dB
  • mounting depth: woofer: 2-11/16"; midrange: 1-3/16"
  • warranty: 2 years
  • Our 60-day money-back guarantee

Why install component speakers?

A component speaker system gives you the best possible performance from your car audio system. A system consists of separate woofers, tweeters, and crossovers, each designed to cover one specific range of frequencies. As separate components, the woofer can move freely to deliver more powerful performance, while the tweeter can be custom-mounted in a better spot up closer to your ears, revealing a whole new world of detail. Separate crossovers are far superior to the simple filters wired into full-range speakers, so the components work together for smoother, more focused sound.

Helix Competition C63C Reviews

Average Customer Review:

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Great speakers for serious sound aficionados

Written By Jc, Nh on Wednesday, August 26, 2015

Serious sound for serious music lovers

Pros: Fantastic sound

Cons: Serious value for serious music if you can afford them they are fantastic quality

8048980208

Written By hunter, richmond on Sunday, November 16, 2014

Good speaker

Hands-on research

What's in the box?

Download owner's manual

  • 2 Woofers (C 6B)
  • 2 Metal grilles
  • 2 Plastic grille frames
  • 2 Flush-mount Midrange (C 2M)
  • 2 Flush-mount Tweeters (C 1T)
  • 2 Crossovers
  • 2 Metal flush-mount midrange clamps
  • 2 Metal flush-mount tweeter clamps
  • Four M4x5mm Allen head machine screws
  • 3mm Allen wrench
  • Sixteen 3/4" Self-tapping screws
  • Specifications on the box

Product Research

Woofer
Midrange
Tweeter
Crossover

Woofer

Woofer: The C 62C component system includes woofers made of sisal fiber with durable rubber surrounds. The mechanical advantages of sisal, rigidity and inner damping, result in faster transients and precise detail.

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

  • Top Mount Depth: 2.54"
  • Bottom Mount Depth: 2.71"

Terminals: Each woofer has screw terminal inputs that will accommodate bare wire or spade connectors up to 0.315" wide.

Size Classification Note: Crutchfield has traditionally referred to this woofer size 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.

Midrange

Midrange: The system uses two 2" silk dome midrange with neodymium motor structures and damped coupling (enclosure) volume. The flush mount flange is an integral part of the midrange housing and each has a seven inch input wire attached. No other speaker wire is included with the system.

Midrange Dimensions:

  Frame Diameter Cutout Diameter Mounting Height Mounting Depth
Flush Mount 3.542" 3.073" 0.675" 1.413"

Tweeter

Tweeter: The system uses 1" silk dome tweeters with neodymium motor structures and damped coupling (enclosure) volume. The flush mount flange is an integral part of the tweeter housing. Each tweeter has a seven inch input wire attached. No other wire is included with the system.

Tweeter Dimensions:

  Frame Diameter Cutout Diameter Mounting Height Mounting Depth
Flush Mount 1.97" 1.73" 0.375" 1.012"

Crossover

Crossover: The crossover inputs and outputs are screw terminals and will accommodate bare wire or spade connectors up to 0.3" wide. The midrange and tweeter output levels are adjustable using separate jumpers under the cover, +3dB, 0dB, -1.5dB or -3dB. A different jumper changes the woofers' expected impedance from 4-ohms to 2-ohms, used when an optional second pair of C 6B woofers is added (item number 975C6B, sold separately). No crossover frequency or slope information was provided by the manufacturer.

Crossover Dimensions:

  • Length: 6.505"
  • Height: 1.773"
  • Width: 7.164"

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 verify what’s in the box, 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.