SKU: 28256170854

Helix Compose Ci3 K165.2FM-S2 - 6.5" 2 Ohm Component Set

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Description

Helix Compose Ci3 K165.2FM-S2 - 6.5" 2 Ohm Component SetHELIX Ci3 K165. 2FM S2 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 Ci3 K165.2FM-S2

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 component 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. Certain models will also be available as an optional 2 Ohm variants, assuring the absolute maximum performance and power of the respective speaker in combination with the appropriate amplifier.

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.

Stunning Highs and outstanding stability

The 0.75” / 20 mm tweeter is equipped with an innovative titan dome that combines outstanding stability with low moving mass and high inner damping as well as enormous thermal resistance - perfectly made for brilliant and compression-free treble reproduction.

Perfectly separated

Our Ci3 FX-UNI.2 crossover is designed for the ideal use with our HELIX Compose i3 components, and thus for the COMPOSE-typical, professional integration into the vehicle. It offers a 6-stage tweeter level adjustment with 12 dB slope for optimal adaptation to the installation position as well as an integrated tweeter protection. In addition, no effort was spared in the complex tuning of the crossover for the best possible distribution of the frequency band and a harmonious sound image. Thanks to its compact dimensions, the Ci3 FX-UNI.2 is perfectly suited for installation in tight spaces and is furthermore compatible with our COMPOSE Connect and WireKit technologies for a safe and fool-proof connection according to automotive standards.

COMPOSE Connect

Kiss tinkering and soldering goodbye. Compose Connect is the sophisticated plug-in connection that considerably simplifies car audio installation in conjunction with HELIX COMPOSE components. Proprietary plastic housings into which standard flat plugs and couplings can be snapped, establish an absolutely safe connection in accordance with automotive standards that prevents any polarity reversal.

FlexMount20 & FlexMount165 – 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 FlexMount adaptor ring.

WireKits – Plug & Play at its best

Our WireKits realize the connection of HELIX COMPOSE speaker kit to the original wiring harness in the most comfortable way. With manufacturing according to the high standards of the automotive industry, these arrestable adaptor cables meet all requirements for the harsh environmental conditions that installers are facing in vehicles every day.

Features

  • 2-way performance speaker kit which combines outstanding sound quality with versatile physical integration options
  • High efficiency and 2 Ohms technology for maximum power output of the amplifier
  • Smart, automotive grade connectors for fail-safe and secure installation – COMPOSE Connect & ProConnect
  • Tweeter
    • 0.75” / 20 mm tweeter with titanium dome for accurate and dynamic treble response
    • Highly efficient neodymium magnet for high magnetic flux linearity
    • Compact design and various mounting options for numerous installation demands
    • Mounting pods for flush mount and angle mount included in delivery
  • Midbass
    • 6.5" / 165 mm midbass 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
    • Powerful magnet system for high efficiency and optimum impulse response
    • Polyurethane dustcap for optimized frequency response in the upper midrange area
  • Crossover
    • Separate, high-grade crossover with compact dimensions for easy integration
    • 6-stage tweeter level adjustment with integrated tweeter protection for optimized treble adaptation to mounting position
    • Extensively fine-tuned – with 12 dB slope for tweeter
    • Designed for optionally available, car-specific WireKits which allow a non-destructive integration
  • Designed for the optionally available car-specific FlexMount165 & FlexMount20 adaptors which allow an acoustically optimized and professional integration in the original mounting locations of the vehicle

Technical data

Power handling RMS / Max.  P 100 / 150 Watts
Frequency response   60 Hz - 25,000 Hz
Impedance Z 2 Ω
Sensitivity  SPL 94 dB @ 2.83V / 1m
88 dB @ 1W / 1m
Outer diameter ø

Tweeter: 32.0 mm / 1.26”
Midbass: 165.0 mm / 6.50”

Installation diameter ø

Tweeter: 32.0 mm / 1.26”
Midbass: 142.0 mm / 5.59”

Installation depth   

Tweeter: 9.8 mm / 0.39”
Midbass: 60.7 mm / 2.39”

Dimensions crossover  

103.3 x 50.4 x 25.0 mm /
4.07 x 1.98 x 0.98”

   
Midbass 
Impedance Z 2 Ω
DC resistance Re 1.8 Ω
Resonance frequency Fs 74 Hz
Mechanical Q factor Qms 3.92
Electrical Q factor Qes 0.92
Total Q factor Qts 0.74
Compliance Cms 370 μm/N
Equivalent air volume Vas 8.8 L
Force factor B*l 3.4 Tm
Cone area Sd 133 cm2
Moving mass Mms 12.5 g
Mechanical resistance Rms 1.48 kg/s
Voice coil diameter  ø 25 mm

Voice coil winding height

  11.3 mm
Max. linear excursion Xmax +/- 3.7 mm
   
Tweeter  
Impedance Z 4 Ω
Resonance frequency Fs 1800 Hz
Voice coil diameter ø 20 mm
   
Features  
Tweeter  

Ultra compact, titanium dome, neodymium magnet and FlexMount20

Midbass  

Paper with Cenosphere coating, ProConnect terminal and FlexMount165

Crossover  

Tweeter: 12 dB highpass, protection and level adjustment
Midbass: 6 dB lowpass

Compatibility

  • FlexMount20
  • FlexMount165
  • WireKits
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: 28256170854

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4.4 ★★★★★
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Verified Purchase
Kid Mars
Port Orchard, US
★★★★★ 5
A Solid Monitor Stand
Size: Single, Style: Free-Standing
This is an extremely sturdy monitor stand. Easily assembled in less than 20 minutes. Instructions were simple. The hex tools came with the stand, but you just need a Nr 2 Phillips Screwdriver for the bolts mounting the VESA plate to the monitor. Take note that this stand has a heavy base to hold larger/heavier monitors up to 22 lbs, but does not take a lot of space. I chose this variant so that it could handle my heavy 24-inch Planar monitor. The included cable management clip was a nice touch. Rotation and tilt feature moves easily and has decent range. I'm very happy with my purchase and it was available for overnight shipment in my region.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 28, 2025
E
Verified Purchase
Everyday Reviews
Fort Morgan, US
★★★★★ 4
WALI Dual Monitor Stand: A Solid, Space-Saving Base Camp
Size: Dual, Style: Free-Standing
WALI Dual Monitor Stand: A Solid, Space-Saving Base Camp I needed to reclaim some real estate on my crowded desk, and this WALI freestanding mount did the trick. It's a straightforward, no-frills solution that holds my two 24-inch monitors securely and opens up a ton of space underneath. Assembly is intuitive, though having a second pair of hands is helpful when you're attaching the monitors to avoid any tipping. The all-metal construction feels sturdy and reliable. The adjustments are basic but effective—you can raise or lower both monitors together on the central pole and tilt or swivel them individually to get the angles just right. The included cable management clips are a nice touch for keeping things tidy. The key thing to understand with any freestanding mount is balance. If you extend the arms all the way out toward you, the whole unit can get top-heavy and want to tip forward. I keep my monitors positioned more centered over the heavy base, and it's perfectly stable. It's not meant for dramatic, extended poses. For the price, it's fantastic value. It doesn't have the infinite, fluid adjustability of high-end gas-spring arms, but it doesn't need to. It lifts your monitors, frees up your desk, and does its job without any fuss. Bottom Line: An excellent, budget-friendly way to lift two monitors and dramatically increase your usable desk space. Just be mindful of the center of gravity and don't expect ultra-flexible, independent positioning.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2025
E
Verified Purchase
Erik Okerholm
Omaha, US
★★★★★ 5
Nice, sturdy, and supportive and easy to set up for my dual 27" monitors!
Size: Dual, Style: Free-Standing
Nice, sturdy, and supportive and easy to set up for my dual 27" monitors!
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Reviewed in the United States on May 18, 2026
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Verified Purchase
Needsmorenails
Charlottesville, US
★★★★★ 5
Easily supports a pair of 26" displays
Size: Dual, Style: Free-Standing
I have no complaints with this stand. It is not as nice as the Inland brand sold at MicroCenter, but it does its job. It beats the price of the MicroCenter one, thats for sure. It comes with all the hardware you might need, even long screws and bushings if you have a display that needs them. Assembly was quick. It comes mostly assembled anyway. You have to put the bottom on the post then attach the assembled arms to the post. Setting up can be a challenge but with help, its easy. After mounting the bracket on the back of the displays, you just slide them into the receiver on the arms. Once mounted, adjusting the position is simple, but can take a while as there are several joints which can be positioned to angle the displays as you like. The cord clips do an OK job of cord management, but the clips are not as good as the Inland ones. They do the job, but not as durable. I broke the one that goes on the post, but I tried getting it to hold a wad of wire. My fault. I recommend this stand.
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Reviewed in the United States on December 3, 2025
J
Verified Purchase
Joshua Jordan
Houston, US
★★★★★ 5
It's simple, it works, & its price makes for a good deal
Size: Single, Style: Free-Standing
I needed a stand for a 27" VIZIO TV that had been wall-mounted for a few years, & (?) the original stand must've got the toss long ago... It's hard to say... I found this stand on Amazon priced right, plus it had a coupon attached to the listing. I scrolled down & I saw a "newer model" of the same product was available, so I was initially hesitant. But, looking at the product pictures, reading the description, & scanning through some of the reviews, then the same with the "newer model" — the only difference I could see was mostly aesthetic (it also appears to have a desk mount included, which wouldn't have worked for me regardless of its purpose—either for conversion to a desk stand-off mount, or to further secure the stand....?) Eventually, I just thought "....it's a stand with a VESA mount; how do you **** that up...?" And I really couldn't think of anything...even if the VESA bracket was milled not to spec (it is milled to spec), I could have still made it work....(?) So, I made the purchase, received it, & 9-10 screws later, the TV had a stand. & I'm guessing a much more versatile stand than the original. The bracket that attaches the stand to the VESA mount can lower or raise the TV quite a bit. Even in it's highest position, it's still retains its sturdiness & remains stable. The baseplate has a decent amount of weight, and its overall design is well balanced to favor stability (to a tolerance; e.g., an old CRT monitor just isn't going to work). The stand is literally 4 basic pieces—the VESA bracket, an articulating bracket, a metal tube, & a metal baseplate. If you have a standard phillips screwdriver, then the stand is easy to assemble. If you have any experience with TV mounts, or TV stands, then it assembles in less than 15 minutes. Given what you get for the price, the ease of assembly, the added versatility, if you need a stand for a screen within the manufacturer's specific tolerances, then I would absolutely recommend this stand.
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Reviewed in the United States on July 19, 2021

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