Helix Pure F-Series PF K100.2 4 inch 2-Way Component Speakers 40w RMS
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HELIX PF K100.2
The entry into the HELIX sound world
Enter the HELIX sound world with our PURE F speaker series. The powerful F-Series gets the maximum power out of your amplifier thanks to its 3 Ohms technology. In combination with the exceptional sound performance with powerful bass, clear mids and detailed highs, an exciting sound experience is bound to occur.
Features
- High sound quality with deep bass, clear mids and detailed highs
- Powerful speaker system with high efficiency thanks to 3 Ohms technology
- Low installation depths for trouble-free installation in almost all vehicles
- Elegant HELIX design with black matt cone finish and black shiny Space Line styling
- Tweeter
- 0.75” / 20 mm silk dome tweeter with neodymium magnet for brilliant and clear treble response even at high levels
- Intelligent, ultra-compact tweeter design and various mounting pods to fit a wide variety of installation requirements
- Removeable grille for easy integration behind factory grilles in the vehicle´s original mounting locations
- Woofer
- 4" / 100 mm woofer with rigid cone made of injected polypropylene with embedded carbon fibers provides essential stiffness with a high inner damping
- Powerful magnet system with optimum control for powerful and clear depths
- Individual HELIX basket with additional ventilation holes for better voice coil cooling and high power handling
- Flex-Crossover
- Separate, two-parted crossover for versatile connection options – well suited for installations in vehicles with separate mounting positions of the tweeter and woofer
- Extensively fine-tuned crossover with 12 dB slope for the tweeter and 6 dB for the woofer
- 2-stage tweeter level adjustment with integrated tweeter protection for perfect listening experience
Easiest integration at its best!
The best sound isn’t any good if the installation causes trouble.
The PURE F loudspeakers demonstrate with their well thought-out design in every detail, how it is done the right way. This starts with the low installation depth of the drivers, which consider the increasingly limited space in modern vehicles. In addition, the system offers an extensive range of installation accessories with innovative bayonet lock for the extremely compact tweeter, which allows any installation option you can imagine, up to simplifications in the wiring thanks to our "Flex-Crossover" design.
Maximum flexibility – the "Flex-Crossover”
The sophisticated, two-part and immensely space-saving "Flex-Crossover" maximizes installation flexibility, for example when the tweeter is positioned in the A-pillar and the woofer in the door. This offers decisive advantages, especially in space-critical installations. In addition, the tweeter crossover is equipped with a two-stage level adjustment, which allows adaptation to both personal listening taste and the installation situation.
Cool design – noble materials
The timeless and stylish design of the F loudspeaker series with the dynamic Space-Line styling of the woofer cone is by no means an end in itself, but rather the result of the use of high-quality materials. The carbon fibres embedded in the polypropylene cone of the woofer optimize the midrange reproduction, whereas the coated silk dome of the tweeter guarantees exceptionally airy highs.
Explore the full range in Helix.
Specification
| Frequency response | 100 Hz - 22,000 Hz |
|---|---|
| Impedance | 3 Ω |
| Sensitivity | 90.0 dB @ 2.83V / 1m 86.0 dB @ 1W / 1m |
| Cone | material TW Silk dome W: Injected polypropylene with embedded carbon fibers |
| Outer diameter TW | - 33.1 mm / 1.30" - OE mount: 36 mm / 1.42” - flush mount: 42 mm / 1.65” - angle mount: 36 mm / 1.42” W: 102.4 mm / 4.03" |
| Installation diameter TW | - 33.1 mm / 1.30" - OE mount: 36 mm / 1.42”- flush mount: 36 mm / 1.42” W: 93 mm / 3.66" |
| Installation depth TW | - 9.8 mm / 0.38" - OE mount: 16,8 mm / 0.66” - flush mount: 11 mm / 0.43” W: 45 mm / 1.77" |
| Dimensions | crossovers 75.5 x 35.1 x 24 mm / 2.97 x 1.38 x 0.95” |
More specs
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What's Included
Helix
About the Helix F622421
From our tech experts at CEN
4 inch component speakers, with separate tweeters that can be mounted higher where you will actually hear them, rated at 40w RMS.
Who it suits
Drivers building a proper front stage. Helix is a brand people choose when they care about staging and detail rather than volume, and these reward an amplifier and a processor.
Our tech experts advise
Sizes, adapter rings and harnesses vary by vehicle, year and trim, so we confirm what your car takes before ordering rather than guessing. Door treatment and tweeter placement change the result as much as the speaker does. Installation and tuning are priced per vehicle, so get in touch with your make, model and year and we will confirm what it needs. See car audio installation.
Explore the full Helix range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Helix
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Frequently Asked Questions
Q: Will these speakers fit my car?
A: Most car speakers are standard sizes, but mounting depth and fitting rings vary by vehicle. Check the size in the Specification tab against your vehicle, or contact CEN with your registration and we will confirm fitment and any adapters or fitting kits you need.
Q: Do I need an amplifier to run these speakers?
A: Not always. Most speakers will run from a standard head unit, but a dedicated amplifier lets them perform at their best, particularly for component sets and higher power handling models. The RMS figure in the Specification tab is the guide to how much clean power they can use.
Q: What is the difference between coaxial and component speakers?
A: Coaxial speakers combine the tweeter and woofer in one unit for a simple like-for-like upgrade. Component sets separate the tweeter and woofer with a crossover for better imaging and detail, and suit installs where sound quality is the priority.
Q: Do these come as a pair?
A: Unless stated otherwise, car speakers are sold in pairs. Check the product title and What's Included tab, which lists exactly what is in the box.
Q: Can CEN fit these speakers for me?
A: Yes. CEN offers professional installation from our Nottingham premises. Contact us to book an installation slot or ask for a fitting quote.
