SKU: 69257083379

Helix Compose Ci3 C100.2FM-S3 MK2 - 4" 3 Ohm Coaxial Speakers

Sale price$157.49 Regular price$174.99
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Ships within 48 hours · Estimated delivery Sep 20 - Sep 25

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Description

Helix Compose Ci3 C100.2FM-S3 MK2 - 4" 3 Ohm Coaxial SpeakersHELIX Ci3 C100. 2FM S3 MK2 HELIX COMPOSE. The perfect speaker for any composition. Born out of the increasingly demanding challenges of modern automobile technology and the HELIX typical pursuit of intelligent solutions, we made the progressive redesign of proven universal speaker systems our mission. The result: our innovative HELIX COMPOSE platform that, according to the motto "developed inside the vehicle, for the vehicle", combines classic

HELIX Ci3 C100.2FM-S3 MK2

HELIX COMPOSE. The perfect speaker for any composition.

Born out of the increasingly demanding challenges of modern automobile technology and the HELIX-typical pursuit of intelligent solutions, we made the progressive redesign of proven universal speaker systems our mission. The result: our innovative HELIX COMPOSE platform that, according to the motto "developed inside the vehicle, for the vehicle", combines classic universal speakers with the advantages of vehicle-specific systems. Innovative materials and the latest technologies paired with smart, practical engineering - the best of both worlds in harmony: high efficiency, fantastic sound quality and enormous dynamics that fit in any vehicle. HELIX COMPOSE – universal speakers evolved.

Performance highlight

The i3 coaxial systems give you everything you would expect from a great 2-way system: A first-class sound experience that, thanks to the use of high-quality materials and its particularly smart engineering, conveniently finds its way into the automobile. All components harmonize perfectly and form an ideal team with our HELIX and MATCH amplifiers, guaranteeing maximum performance and power output at all times. Furthermore, we implemented our new, mechanical technologies with a clear focus on safety during connection and operation for the purpose of creating ideal conditions for the integration into the vehicle with maximum compatibility.

High efficiency

HELIX COMPOSE equals smart engineering and accordingly implements highly efficient 3 Ohm technology, that perfectly harmonizes with all HELIX and MATCH amplifiers and at the same time allows a clearly perceptible plus in efficiency and maximum sound pressure.

Cenosphere paper cone

With the innovative "Cenosphere" coating, hollow spheres are incorporated into a polyamide layer that is applied to the cone. This process increases the stiffness and also optimizes its internal damping. The result is an exceptionally stable yet lightweight cone that offers outstanding precision in sound reproduction.

High-tech polymer basket

All HELIX COMPOSE i7 and i3 speaker baskets are made of a high-tech polymer composite, which has been additionally reinforced with glass spheres. The result: maximum stability with minimal self-resonance, while also eliminating flux modulation of the magnetic system and maximum resistance to thermal influences. Last but not least, this allows for much more compact basket dimensions and thus simplified installations in cramped installation conditions.

Natural brilliance and precise detail resolution

The 0.75” / 20 mm tweeter features an elegant black aluminum dome that strikes the perfect balance between low weight and high rigidity. Combined with the refined, highly efficient neodymium magnet system, it delivers an even more precise, clear, and detailed high-frequency response. The result is natural brilliance with outstanding resolution and impressive dynamics – for an exceptional listening experience.

FlexMount100 – Universal meets car-specific

FlexMount is a mounting system based on specially developed adaptor rings, allowing the installation of COMPOSE FlexMount speakers in an almost infinite number of vehicles. Thus, the universal loudspeaker effortlessly becomes a vehicle-specific loudspeaker, that can be easily installed in the original installation position of the vehicle in an acoustically optimized way with the matching twist-lock FlexMount100 adaptor ring.

lexConnect – One terminal for all cases

With our FlexConnect terminal, HELIX COMPOSE speakers can easily be connected directly to the original wiring harness of the vehicle, maintaining the automotive standard of the plug connection as well as guaranteeing reverse polarity protection. Similar to our FlexMount system, this technology relies on specially developed, vehicle-specific adaptors.

Features

  • 2-way performance coaxial speaker system which combines outstanding sound quality with versatile physical integration options
  • High efficiency and 3 Ohms technology for maximized power output of the amplifier
  • Automotive grade FlexConnect terminal allow fast and secure connection as well as direct connection to the original cable harness due to optionally available car-specific adaptors
  • Tweeter
    • 0.75” / 20 mm performance tweeter with black aluminum dome for accurate, pure and detailed treble response
    • High-quality aluminum dome with perfect balance of low weight and high rigidity – for natural brilliance and fine detail reproduction
    • Refined highly efficient neodymium magnet for high magnetic flux linearity and optimized performance
  • Midrange
    • 4" / 100 mm midrange with unique Cenosphere coated paper cone for precise and detailed sound reproduction
    • High-tech polymer composite basket reinforced with glass beads for enormous rigidity and minimized ringing
    • Shallow neodymium magnet system for low installation depth and high efficiency
  • Crossover
    • Integrated with 6 dB slope
  • Designed for the optionally available car-specific FlexMount100 adaptors which allow an acoustically optimized and professional integration in the original mounting location of the vehicle

Technical data

Power handling RMS / Max.  P 80 / 120 Watts
Frequency response   100 Hz - 25,000 Hz
Impedance Z 3 Ω
Sensitivity  SPL 91 dB @ 2.83V / 1m
87 dB @ 1W / 1m
Outer diameter ø 98.0 mm / 3.86”
Installation diameter ø 89.0 mm / 3.50”
Installation depth    30.0 mm / 1.18”
   
Midrange  
Impedance Z 3 Ω
DC resistance Re 3.0 Ω
Resonance frequency Fs 137 Hz
Mechanical Q factor Qms 4.37
Electrical Q factor Qes 0.78
Total Q factor Qts 0.66
Compliance Cms 456 μm/N
Equivalent air volume Vas 2.1 L
Force factor B*l 3.2 Tm
Cone area Sd 57 cm2
Moving mass Mms 3.0 g
Mechanical resistance Rms 0.58 kg/s
Voice coil diameter  ø 25 mm

Voice coil winding height

  4.8 mm
Max. linear excursion Xmax +/- 2.0 mm
   
Tweeter  
Voice coil diameter ø 20 mm
   
Features  
Tweeter   Aluminum dome and neodymium magnet
Midbass  

Paper with Cenosphere coating, FlexConnect terminal, neodymium magnet and FlexMount100

Crossover   Integrated, 6 dB highpass

Compatibility

  • FlexMount100
  • FlexConnect inlays
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 69257083379

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4.8 ★★★★★
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Product Reviews
A
Amelia Love
Charlottesville, US
★★★★★ 5
Very durable for a plush toy
Color: Hammer, Size: Large
My GSD husky mix loves this toy. She is "working on it" as I write. Her first call to action with any new toy is to get the squeaker out. This toy is well made enough so that she has not been able to reverse engineer it immediately (as she does with cheap dog toys). She seems to enjoy chewing on the handle making it squeak, which is pretty cute. The toy itself is bigger than I thought it would be which is nice, as my dog is bigger too. It is soft and well stuffed. The rope on the end will make it a great tug toy too. Right now it has my dog's full attention so we shall see how long it lasts. Overall, while not indestructible, it's definitely better than 90% of the toys we've gotten her so far in terms of durability. Great product!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 22, 2026
J
J. Sutcliffe
Massapequa, US
★★★★★ 4
Seems sturdy so far
Color: Screwdriver, Size: Large
So far my boys haven't ripped this apart, which is a good sign. They like to play tug with it and the squeaker is engaging (my pittie loves squeakers). Here's hoping it continues to last with my 2 tough chewers.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 31, 2025
G
Gin G
Fort Morgan, US
★★★★★ 4
He likes it!
Color: Hammer, Size: Large, Color: Hammer, Size: Large
Shipping was quick, the packaging and product came undamaged. Cute. This dog toy is super soft. The squeaker is inside and seems more durable than most others. The little bit of rope at the bottom is not the typical material you find with other popular dog toys. My GR enjoys playing fetch with it and hasn't destroyed it. I feel this product is a decent value and would get it again. Other options to choose from too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 14, 2025
J
Verified Purchase
Jake
Draper, US
★★★★★ 5
Cool dog toys with funny faces on
Color: Hammer, Size: Small
Bought bunch of these cute tool dog toys for my friends' dogs, they love them! Especially when you see them playing with these toys which has funny faces on. The quality is decent, and small size ones is good for small to medium sized dogs.
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Reviewed in the United States on April 1, 2026
A
Allison F
Draper, US
★★★★★ 4
Durable and fun dog toy.
Color: Hammer, Size: Large
This plush hammer toy is incredibly soft and adorable, filled generously with plush material. My dog looks so goofy carrying it around in his mouth, and he has so much fun squeaking it! It's surprisingly durable; unlike many of his toys, which he typically chews through quickly, this one has stood up to his rough play so far. The little rope at the end is a thoughtful design element, allowing him to chew on it while maintaining durability. At 12 inches, the size is generous, making it perfect for medium and large dogs. Cleaning is easy; it can be spot cleaned with a microfiber cloth and warm, soapy water. For just $14.99, this toy is an excellent quality choice for the price!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 1, 2026

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