SKU: 98413324160

Helix Compose Ci7 T20FM-SC - 20mm Silk Dome Flexmount Tweeters

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Description

Helix Compose Ci7 T20FM-SC - 20mm Silk Dome Flexmount TweetersHELIX Ci7 T20FM SC 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

HELIX Ci7 T20FM-SC

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.

i7 – High-end Car Audio made in Germany

Our HELIX COMPOSE i7 series represents uncompromising high-end for an outstanding sound experience in the automobile. With obvious influence of the high-end sister brand BRAX, the i7 speaker series is completely made in Germany and optimized for uncompromising music enjoyment. All speaker impedances are perfectly matched for the combination with our HELIX and MATCH amplifiers, guaranteeing maximum performance at any time. In addition, HELIX COMPOSE introduces four new mechanical technologies that offer unbeatable practical benefits.

Brilliant treble response

Our i7 tweeter is equipped with a fine-meshed silk dome with visco-elastic Acronal coating on both sides, guaranteeing a brilliant and smooth treble response. In addition, the integration of pure lamb’s wool and dampened coupling volume enables a very low resonance frequency and allows a deep acoustic coupling.

FlexMount20 – 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 tweeter effortlessly becomes a vehicle-specific tweeter, that can be easily installed in the original installation position of the vehicle in an acoustically optimized way with the matching FlexMount20 adaptor ring.

Features

  • Super-wide dispersion 0.75” / 20 mm high-end silk dome tweeter with coupling volume for lowest possible resonance frequency
  • Exceptionally lightweight and fine-meshed silk dome ensures brilliant and smooth treble response
  • High efficient neodymium magnet for high magnetic flux linearity
  • Integrated, dampened coupling volume allows a low crossover frequency thanks to its low resonance frequency
  • Sturdy Aluminum housing turned from solid
  • Compact design and various mounting options for numerous installation demands
  • Mounting pods for flush mount and angle mount included in delivery
  • Designed for the optionally available car-specific FlexMount20 adaptors which allow an acoustically optimized and professional integration in the original mounting location of the vehicle
  • Made in Germany

Technical data

Impedance   Z 4 Ω
DC resistance  Re  3.4 Ω
Frequency response    1,500 Hz - 30,000 Hz
Resonance frequency  Fs  950 Hz
Sensitivity SPL  91.0 dB @ 2.83V / 1m
88.0 dB @ 1W / 1m
Voice coil diameter   Ø 20 mm
Cone material    Silk dome with coupling volume
Outer diameter   32 mm / 1.26"
Installation diameter   27.2 mm / 1.07"
Installation depth   19 mm / 0.75" 
   
Recommended crossover frequencies for the highpass  
Slope    Minimum crossover frequency
6 dB/Octave  > 4,000 Hz
12 dB/Octave  > 3,000 Hz
24 dB/Octave   > 2,500 Hz

Compatibility

  • FlexMount20
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • 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]
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SKU: 98413324160

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4.5 ★★★★★
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Holly
Port Orchard, US
★★★★★ 5
Warner POV!!
Beautiful cover art and sprayed edges. And the book is so good. I missed Warner and was glad to get a few chapters from his pov.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
A
Verified Purchase
Ashley Patterson
Carnegie, US
★★★★★ 4
4 for world
Format: Kindle
So I’m giving a 4 Star more so probably because I love the world and the original shatter me series. This particular book was fine it wasn’t bad but I also felt like nothing really happened either. If that makes sense. I don’t regret reading or buying at all but just wished more happened within the story. Still obsessed with its Warner and Ella love theme 🥰
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Reviewed in the United States on April 8, 2026
B
Verified Purchase
Beyonce
Fort Morgan, US
★★★★★ 5
Great sequel
Format: Kindle
I liked that this book was fast paced and more background for the main characters was provided. I love the voice of this author as it is poetic, honest, and stirring. It drags a little bit towards the end but otherwise it is pretty good!
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Reviewed in the United States on May 1, 2026
M
Verified Purchase
Marissa Casper
Draper, US
★★★★★ 3
No plot or character progression.....
Format: Hardcover
Tahereh Mafi’s Release Me was a very mixed reading experience for me, landing at a solid 3 stars overall. While the book is undeniably entertaining and packed with action, it also suffers from major pacing and development issues that kept me from fully connecting with the story. The biggest highlight, without question, was the return of the original characters. Kenji and Warner absolutely carried this book from beginning to end. Their banter, personalities, and presence brought back the charm and emotional attachment that made the original series so addictive. Every scene involving them felt comforting and familiar, almost like coming home after being away for a long time. Juliette’s appearances and the dynamic between the older cast members were easily the strongest aspects of the novel. Unfortunately, I struggled heavily with Rosabelle and James. Their relationship felt repetitive and emotionally stagnant, with so much focus placed on their “doomed” and forbidden romance that it often overshadowed the larger conflict happening around them. There was constant back-and-forth between Rosabelle trying to escape, James making frustrating decisions, and Warner cleaning up the chaos. At times, it genuinely felt like the plot was moving in circles. What makes this book frustrating is that so much technically happens, yet by the end it somehow feels like nothing truly changed. Character arcs barely progressed, relationships remained in the exact same place they started, and several storylines felt oddly untouched. Juliette is still pregnant, we still know very little about what comes next for many of the characters, and even fan-favorite dynamics like Kenji and Nazeera barely received meaningful development. That said, I can’t deny that the book was compulsively readable. There were moments where I genuinely could not put it down because the pacing and action kept things moving quickly. The dialogue and humor between the characters carried much of the entertainment value, and the nostalgia factor played a huge role in keeping me invested. If I hadn’t already loved these characters from previous books, though, I honestly don’t think this story would have worked nearly as well for me. Ultimately, Release Me feels like the definition of “no plot, just vibes.” It’s entertaining, nostalgic, and full of beloved characters, but lacks the meaningful progression and emotional payoff I was hoping for. Fans of the original series will likely still enjoy revisiting this world, but readers looking for strong plot advancement or major character growth may leave feeling a little unsatisfied.
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Reviewed in the United States on May 26, 2026
L
Verified Purchase
Lori Soares
Bozeman, US
★★★★★ 5
Perfect plumper for under eyes.
Color: Collagen
I absolutely love the moisturizing effect these have under my eyes. My undereye skin appears plumper making the fine lines show less for at least 5 hours. The skin also feels much softer. These are absolutely a great value for the money. I will be buying these again. Perfect for a morning you wake up with puffy eyes and need to get put together quick because they made my eyes look amazingly rested and took all the puffiness away in 10 mins.
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Reviewed in the United States on May 14, 2026

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