SKU: 56563989209

Helix Compose CB K130.2-S3 - 5.25" Component Set

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Description

Helix Compose CB K130.2-S3 - 5.25" Component SetHELIX CB K130. 2 S3 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 CB K130.2-S3

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.

The essentials for an exceptional sound experience

You might have already guessed from the name: our BASIC component systems are the perfect introduction to the world of HELIX COMPOSE, providing all the essentials for an exceptional sound experience in your vehicle. 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 particularly smart mechanical technologies, with a clear focus on safety during connection, in our BASIC tweeter, creating ideal conditions for a professional integration.

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.

Powerful bass – always on point 

In the BASIC series, our COMPOSE bass-midrange driver combines high efficiency with excellent sound quality. The lightweight but stable polypropylene diaphragm provides exceptional sound performance while the sturdy basket is equipped with additional ventilation holes for optimized cooling. A powerful magnet system provides ideal impulse response and the soft polyurethane dustcap guarantees optimized frequency response in the upper midrange. Last but not least, the compact design is ideally suited for integrations in cramped spaces.

High frequency reproduction with unique dynamics

Of course, when entering the sound world of HELIX COMPOSE, precise highs are a must for an all-around exciting music experience. Accordingly, our BASIC tweeter uses a coated silk dome as well as a highly efficient neodymium magnet – the result: unique dynamics in the high-frequency reproduction and crystal-clear sound.

Optimally filtered

The crossover is equipped with a 4-stage tweeter level adjustment with 12 dB slope for optimal adaptation to the installation position as well as an integrated tweeter protection. Beyond that, the extensive tuning of the crossover ensures the best possible distribution of the frequency band and a harmonious sound image. Thanks to its compact design, the crossover is perfectly suited for installation in tight spaces.

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

  • 2-way speaker kit which combines high efficiency with exceptional sound performance
  • 3 Ohms technology for maximized power output of the amplifier
  • Compact design for trouble-free installation even in cramped conditions
  • Tweeter
    • 0.75” / 20 mm tweeter with silk dome for brilliant and clear treble response
    • Very 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
    • Designed for the optionally available car-specific FlexMount20 adaptors which allow an acoustically optimized and professional integration in the original mounting locations of the vehicle
  • Midbass
    • 5.25” / 130 mm midbass with lightweight polypropylene cone which provides essential stiffness for exceptional sound performance
    • Sturdy steel basket with additional ventilation holes for better voice coil cooling and high power handling
    • Powerful magnet system for optimum impulse control
    • Polyurethane dustcap for optimized frequency response in the upper midrange area
  • Crossover
    • Separate, high quality crossover with compact dimensions for easy integration
    • 4-stage tweeter level adjustment with integrated tweeter protection for optimized treble adaptation to mounting position
    • Extensively fine-tuned – with 12 dB slope for tweeter

Technical data

Power handling RMS / Max.  P 70 / 105 Watts
Frequency response   80 Hz - 22,000 Hz
Impedance Z 3 Ω
Sensitivity  SPL 90 dB @ 2.83V / 1m
86 dB @ 1W / 1m
Outer diameter ø

Tweeter: 32.0 mm / 1.26”
Midbass: 130 mm / 5.12”
Installation diameter ø

Tweeter: 32.0 mm / 1.26”
Midbass: 118.0 mm / 4.65”
Installation depth   

Tweeter: 9.8 mm / 0.39”
Midbass: 51.4 mm / 2.02”
Dimensions crossover  

103.3 x 50.4 x 25.0 mm /
4.07 x 1.98 x 0.98”
   
Midbass
Impedance Z 3 Ω
DC resistance Re 3.0 Ω
Resonance frequency Fs 88 Hz
Mechanical Q factor Qms 4.10
Electrical Q factor Qes 1.12
Total Q factor Qts 0.88
Compliance Cms 320 μm/N
Equivalent air volume Vas 4.2 L
Force factor B*l 3.9 Tm
Cone area Sd 97 cm2
Moving mass Mms 10.1 g
Mechanical resistance Rms 1.30 kg/s
Voice coil diameter  ø 25 mm

Voice coil winding height

   8.9 mm
Max. linear excursion Xmax +/- 2.5 mm
   
Tweeter  
Impedance Z 4 Ω
Resonance frequency Fs 2000 Hz
Voice coil diameter ø 20 mm
   
Features  
Tweeter  

Ultra compact, silk dome, neodymium magnet and FlexMount20
Midbass  

Injected polypropylene cone
Crossover  

Tweeter: 12 dB highpass, protection and level adjustment

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:
  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: 56563989209

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4.2 ★★★★★
Based on 26 reviews
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Verified Purchase
John P.
Chelsea, US
★★★★★ 5
All I can say is "wow"
A picture can hardly show the amazing quality of this display, but I've attached one to give you a general idea. I should say that I am not a gamer, so I can't comment on that aspect of this monitor. But for productivity - such as being able to see an entire spreadsheet without horizontal scrolling - it is a game changer. At 120Hz with resolutions up to 5120 x 2160 the quality of video and graphics is stunning. The built in hub has more ports of every kind than I will ever use, and the KVM switching has eased switching between my Mac Studio and Debian Linux server as simple as pressing a button on the back of a monitor. I know this is a lot of money for a monitor, but assuming it is long lasting, this will be the last one I buy for years to come. I spend 8 - 10 hours a day at my computer and this has made that time so much more enjoyable and productive. I should mention it was plug-and-play for both my Mac and Linux operating systems. I plugged it in and it worked.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 21, 2025
B
Verified Purchase
Brad Myers
West Palm Beach, US
★★★★★ 5
The best…
5120x2160! Did you read the 2160 vertical!? Yea I can’t stress that enough. Gosh I find it so frustrating there arnt more options in this space. Here is the deal, if you have multiple monitor setup (and you should if you have a work station) you likely will have a couple of 4k monitors kicking around. Now these 4k monitors are staples, and they all have 2160 vertical. If you have 1140 vertical like almost ALL ultra wide monitors do then there will be this annoying stepping with your mouse when you go from one screen to the next. It drives me nuts that the standard for these ultra wides does this. If you don’t have the same resolution vertical from one screen to the next then you won’t have a seamless transition from one screen to the next. It’s just the facts. This dell is one of the only curved ultra wide monitors with 2160 vertical resolution. It runs at 120 hertz which also believe it or not makes it one of the only 5120x2160 resolution monitors on the market to do that. I’m sure you can tell by my writing I have owned a lot of high quality monitors in my time and this one for me is by far the best. I’m switching from a none curved ultra wide 32” LG that runs at 60hrtz. Needless to say this is way better, and sadly there was like this burn in that occurred on my LG that would eventually go away but stick around for the better part of a day. This ultimately put me back in the market looking for a replacement. Point being, now I only buy dell monitors. I’ve never had issues with them , they have great color reproduction, pretty affordable (as of now), basically super reliable all around. Obviously I’m not thrilled about the lack of options for folks that have real work to do on there pcs. All this gamer b.s. in the marketplace, it’s all junk as far as I’m concerned. So if you actually have productive things to do on your pc then you can’t do much better then this monitor, I highly recommend. My only gripe is I wanted a smaller version of this maybe a 32” or 36”, it simply doesn’t exist on the market as of now. However, this works for me, the curved surface buys me back a little desk relestate, and it’s something I really missed with my previous monitor. Side note, I definitely recommend monitor arms for all your monitors. I bought one for the larger center monitor (this one) and it works great. Just be sure you buy one that has a high weight capacity, ideally 44lbs or more. This monitor given its size is 42lbs I believe (although honestly it doesn’t feel nearly that heavy). So just be prepared for that. Hope this is helpful, and I hope the manufacturers wake up one day and realize this screen resolution isn’t a nice to have, it’s a must for a lot of people.
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Reviewed in the United States on December 2, 2024
D
Verified Purchase
DP
Lowell, US
★★★★★ 5
Perfect “Command Center” Monitor for Mac Studio – Worth the Money
Title: Perfect “Command Center” Monitor for Mac Studio – Worth the Money I’m using this Dell U4025QW with a Mac Studio M2 Max, and it’s exactly what I wanted: a huge, sharp, curved workspace that also handles games really well. The 40” 5K2K screen lets me keep Docs, email, browser, and gradebook all open at once without feeling cramped, and the curve makes it comfortable to use for long stretches. Text is clear, colors look great out of the box, and bumping it up to 120 Hz makes macOS feel noticeably smoother. The Thunderbolt/USB-C hub is a big bonus – one cable to the Mac, and everything else (keyboard, mouse, etc.) can live on the back of the monitor, so the desk stays clean. It’s not cheap, but if you live in documents all day and also want your games to look and run smoothly, this is a fantastic “do it all” monitor and I have zero regrets about the purchase.
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Reviewed in the United States on December 29, 2025
T
Verified Purchase
Tim Boggs
Carnegie, US
★★★★★ 5
The best business monitor
I have used many of the monitors in the Dell UltraSharp line and thought that my previous monitor, the U4021QW was the apex of Business monitors. The U4025QW improves on it in small but meaningful ways. Looking at the monitor, you can't visually tell the difference at first glance. To me the ultra-wide curved monitor format is preferrable to dual monitors. The 5120 x 2160 / 21:9 screen ratio gives the business user more vertical space while not sacrificing the horizontal space. Many ultrawide monitors give you the width of 5120 but stick you with 1440 vertically. That resolution always felt cramped to me. This connectivity on this monitor far exceeds its predecessor. It is upgraded from Thunderbolt 3 to Thunderbolt 4, adds 2 usb-c ports and one USB-A, giving a total of 5 USB-A and 5 USB-C. This allowed me to replace my old desktop dock and go with a direct connection to the monitor for everything. When reading about the monitor, I thought the drop-down ports were a bit gimmicky, but it is a big improvement over the location on the previous model. This is very accessible and helps with wireless devices whose signal degrades by being placed behind the monitor. The monitor is pricey, but I think it is worth it if you are on your computer all day every day. As on co-worker once said, the monitor is the part of the computer that we use 100% of the time we interact with it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 13, 2025
L
Verified Purchase
Lacey Groff
Lowell, US
★★★★★ 5
Extremely sturdy
Color: Black-Mount
I purchased this heavy-duty dual gaming monitor arm holder as a birthday gift for my husband to mount his curved gaming screens, and it completely transformed his setup. It feels extremely sturdy and well-built, easily supporting both monitors without any wobble or instability. The adjustability is excellent. He can tilt, swivel, and reposition each screen with ease, which makes it perfect for both gaming and everyday computer use. It also helps clear up a lot of desk space, giving his setup a much cleaner and more organized look. Installation was straightforward, and the mounting hardware felt solid and secure. Once everything was set up, the arms moved smoothly but stayed firmly in place when adjusted. He absolutely loved it and immediately noticed how much more comfortable and immersive his gaming experience became. Overall, this is a high-quality, durable monitor mount that made a perfect upgrade for his gaming station and a great birthday gift.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026

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