{"product_id":"helix-compose-i3-ci3-k130-2-s3-component-5-25-inch-flexmount-speakers-90w-rms","title":"Helix Compose i3 Ci3 K130.2-S3 Component 5.25 Inch FlexMount Speakers 90w RMS","description":"\u003cp\u003e\u003cstrong\u003eThe HELIX Ci3 K130.2-S3 is a 5.25 inch \/ 130 mm two-way component speaker set from the COMPOSE i3 range, rated at 90 W RMS at 3 ohms. It pairs a titanium dome tweeter with a Cenosphere-coated midbass and a separate crossover for detailed front-stage sound.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis listing is the 5.25 inch \/ 130 mm version. The HELIX COMPOSE i3 component range is also available in \u003ca href=\"\/products\/helix-compose-i3-ci3-k100-2fm-s3-component-4-inch-flexmount-speakers-80w-rms\"\u003e4 inch \/ 100 mm (Ci3 K100.2FM-S3, 80 W RMS)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe set contains the \u003ca href=\"\/products\/helix-compose-i3-ci3-t20fm-ti-tweeters-0-75-inch-20mm-flexmount-titanium-dome\"\u003eCi3 T20FM-TI\u003c\/a\u003e tweeter, \u003ca href=\"\/products\/helix-compose-i3-ci3-w130-s3-midrange-5-25-inch-13cm-flexmount-speakers-90w-rms\"\u003eCi3 W130-S3\u003c\/a\u003e midbass, \u003ca href=\"\/products\/helix-compose-i3-ci3-fx-uni-2-universal-2-way-performance-crossover-for-i3-series\"\u003eCi3 FX-UNI.2\u003c\/a\u003e crossover and \u003ca href=\"\/products\/helix-compose-i3-ci3-fx-wlp-2-lowpass-cable-crossover-for-i3-series\"\u003eCi3 FX-WLP.2\u003c\/a\u003e lowpass cable crossover. The tweeter suits optional FlexMount20 adaptors such as the CFMK25 rings, and the set is designed for optional car-specific WireKits.\u003c\/p\u003e\n\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 5.25\" \/ 130 mm component set\u003c\/li\u003e\n\u003cli\u003ePower handling: 90 W RMS \/ 135 W max\u003c\/li\u003e\n\u003cli\u003eImpedance: 3 ohms\u003c\/li\u003e\n\u003cli\u003eFrequency response: 80 Hz to 25 kHz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91 dB @ 2.83 V \/ 1 m (87 dB @ 1 W \/ 1 m)\u003c\/li\u003e\n\u003cli\u003eMidbass mounting depth: 55.4 mm\u003c\/li\u003e\n\u003cli\u003eTweeter: 0.75\" \/ 20 mm titanium dome\u003c\/li\u003e\n\u003cli\u003eCrossover: Separate, 12 dB tweeter slope, 6-stage level adjustment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHELIX COMPOSE. The perfect speaker for any composition.\u003c\/h2\u003e\n\u003cp\u003eThe HELIX COMPOSE platform combines classic universal speakers with the advantages of vehicle-specific systems. Innovative materials and smart engineering deliver high efficiency, strong sound quality and wide vehicle compatibility — universal speakers evolved.\u003c\/p\u003e\n\n\u003ch2\u003ePerformance highlight\u003c\/h2\u003e\n\u003cp\u003eThe i3 component system delivers a first-class two-way sound experience using high-quality materials and practical engineering. All components are tuned to work together and are optimised for use with HELIX and MATCH amplifiers. New mechanical connection technologies are designed for safe, straightforward vehicle integration.\u003c\/p\u003e\n\n\u003ch2\u003eHigh efficiency\u003c\/h2\u003e\n\u003cp\u003eThe Ci3 K130.2-S3 uses 3 ohm technology, which pairs well with HELIX and MATCH amplifiers and delivers a noticeable gain in efficiency and maximum sound pressure. Certain models in the COMPOSE range are also available as optional 2 ohm variants for maximum output with compatible amplifiers.\u003c\/p\u003e\n\n\u003ch2\u003eCenosphere paper cone\u003c\/h2\u003e\n\u003cp\u003eThe cone uses a \"Cenosphere\" coating, where hollow spheres are incorporated into a polyamide layer applied to the cone surface. This increases stiffness and improves internal damping, producing an exceptionally stable yet lightweight cone with outstanding precision in sound reproduction.\u003c\/p\u003e\n\n\u003ch2\u003eHigh-tech polymer basket\u003c\/h2\u003e\n\u003cp\u003eThe speaker basket is made from a high-tech polymer composite reinforced with glass spheres. This provides maximum stability with minimal self-resonance, eliminates flux modulation in the magnetic system, and offers strong resistance to heat. It also allows for more compact basket dimensions, simplifying installation in tight spaces.\u003c\/p\u003e\n\n\u003ch2\u003eStunning highs and outstanding stability\u003c\/h2\u003e\n\u003cp\u003eThe 0.75\" \/ 20 mm titanium dome tweeter combines outstanding stability with low moving mass, high inner damping and strong thermal resistance — engineered for brilliant, compression-free treble reproduction.\u003c\/p\u003e\n\n\u003ch2\u003ePerfectly separated\u003c\/h2\u003e\n\u003cp\u003eThe included Ci3 FX-UNI.2 crossover is tuned specifically for HELIX COMPOSE i3 components. It offers 6-stage tweeter level adjustment with a 12 dB slope, an integrated tweeter protection circuit, and compact dimensions suited to tight installation spaces. It is compatible with COMPOSE Connect and WireKit technologies for safe, polarity-proof connection to automotive standards.\u003c\/p\u003e\n\n\u003ch2\u003eCOMPOSE Connect\u003c\/h2\u003e\n\u003cp\u003eCOMPOSE Connect is a plug-in connection system that simplifies car audio installation. Standard flat plugs and couplings snap into proprietary plastic housings, creating a secure, automotive-standard connection that prevents polarity reversal — no soldering required.\u003c\/p\u003e\n\n\u003ch2\u003eFlexMount20 – Universal meets car-specific\u003c\/h2\u003e\n\u003cp\u003eFlexMount is a mounting system using specially developed adaptor rings. It allows COMPOSE FlexMount speakers to be installed in a wide range of vehicles in the original factory position, acoustically optimised with the matching FlexMount adaptor ring.\u003c\/p\u003e\n\n\u003ch2\u003eWireKits – Plug \u0026amp; Play at its best\u003c\/h2\u003e\n\u003cp\u003eWireKits connect HELIX COMPOSE speaker kits directly to a vehicle's original wiring harness via arrestable adaptor cables. Built to automotive industry standards, they are designed to handle the demanding environmental conditions encountered during vehicle installation.\u003c\/p\u003e","brand":"Helix","offers":[{"title":"Default Title","offer_id":50597520965898,"sku":"90703","price":259.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5431\/0922\/files\/helix-speakers-helix-compose-i3-ci3-k130-2-s3-component-5-25-inch-flexmount-speakers-80w-rms-52374106997002.jpg?v=1748430767","url":"https:\/\/www.cen.uk\/products\/helix-compose-i3-ci3-k130-2-s3-component-5-25-inch-flexmount-speakers-90w-rms","provider":"CEN","version":"1.0","type":"link"}