{"product_id":"helix-ci5-s200fm-s2-200mm-single-2-ohm-hybrid-woofers-pair","title":"HELIX Ci5 S200FM-S2 200mm Single 2 Ohm Hybrid Woofers – Pair","description":"\u003ch2\u003eHELIX Ci5 S200FM-S2 – 200mm Single 2 Ohm Hybrid Woofers\u003c\/h2\u003e\u003cp\u003eA pair of shallow 200mm hybrid woofers with single 2-ohm voice coils, injected polypropylene cones and 200W RMS \/ 400W maximum power handling. A 47mm installation depth and FlexMount200 compatibility provide useful flexibility for space-conscious bass installations. The specified frequency range is 25–500Hz.\u003c\/p\u003e\u003cp\u003ePart of the HELIX COMPOSE i5 range, these drivers are supplied as a pair for use in a suitable custom or vehicle-adapted speaker system. Select the correct mounting hardware, wiring and crossover configuration for the installation; FlexMount compatibility alone does not establish fitment for a particular vehicle.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExceptional cone excursion – ensures high sound pressure levels and impressive low-frequency reproduction\u003c\/li\u003e\n\u003cli\u003eHybrid flat woofer concept – a perfect balance between a powerful subwoofer and a mid-woofer driver that covers a frequency range from 25 to 500 Hz\u003c\/li\u003e\n\u003cli\u003eChassis with 1 x 2 Ohms single voice coil for maximum power output of the amplifier\u003c\/li\u003e\n\u003cli\u003eMinimum installation depth – an innovative basket design with only 47 mm installation depth for the use in restricted mounting spaces\u003c\/li\u003e\n\u003cli\u003eCompact dimensions with maximum performance – despite the small outer diameter, this woofer comes with the same cone area known from typical 200 mm chassis\u003c\/li\u003e\n\u003cli\u003eLightweight polypropylene cone which provides essential stiffness for phenomenal sound performance\u003c\/li\u003e\n\u003cli\u003eHigh-tech polymer composite basket reinforced with glass beads for enormous rigidity and minimized ringing\u003c\/li\u003e\n\u003cli\u003ePowerful magnet system for high efficiency and optimum impulse response\u003c\/li\u003e\n\u003cli\u003eDriver development verified with Klippel Analyzer System\u003c\/li\u003e\n\u003cli\u003ePerfect for difficult applications – e.g. can be installed under the seats in various BMW models or as front subwoofer in Mercedes cars\u003c\/li\u003e\n\u003cli\u003eFlexMount200 technology – Designed car-specific adapters, which allow acoustically-optimized and professional integration in the original installation positions of under-seat and bulkhead loudspeakers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePower handling RMS \/ Max.: 200 \/ 400 Watts\u003c\/li\u003e\n\u003cli\u003eImpedance: 1 x 2 Ω\u003c\/li\u003e\n\u003cli\u003eDC resistance: 1.8 Ω\u003c\/li\u003e\n\u003cli\u003eFrequency response: 25 Hz - 500 Hz\u003c\/li\u003e\n\u003cli\u003eResonance frequency: 47 Hz\u003c\/li\u003e\n\u003cli\u003eMechanical Q factor: 9.12\u003c\/li\u003e\n\u003cli\u003eElectrical Q factor: 0.79\u003c\/li\u003e\n\u003cli\u003eTotal Q factor: 0.73\u003c\/li\u003e\n\u003cli\u003eCompliance: 297 µm\/N\u003c\/li\u003e\n\u003cli\u003eEquivalent air volume: 15.7 L\u003c\/li\u003e\n\u003cli\u003eForce factor: 5.1 Tm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 92 dB @ 2.83 V \/ 1m; 86 dB @ 1W \/ 1m\u003c\/li\u003e\n\u003cli\u003eCone area: 194 cm²\u003c\/li\u003e\n\u003cli\u003eMoving mass: 38 g\u003c\/li\u003e\n\u003cli\u003eCone material: Injected polypropylene\u003c\/li\u003e\n\u003cli\u003eMechanical resistance: 1.29 kg\/s\u003c\/li\u003e\n\u003cli\u003eVoice coil diameter: 38 mm\u003c\/li\u003e\n\u003cli\u003eVoice coil winding height: 20.6 mm\u003c\/li\u003e\n\u003cli\u003eMax. linear excursion: +\/- 7.8 mm\u003c\/li\u003e\n\u003cli\u003eOuter diameter: 195 mm \/ 7.68\"\u003c\/li\u003e\n\u003cli\u003eInstallation diameter: 173.5 mm \/ 6.83\"\u003c\/li\u003e\n\u003cli\u003eInstallation depth: 47.0 mm \/ 1.85\"\u003c\/li\u003e\n\u003cli\u003eFeatures: FlexMount200\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation notes\u003c\/h3\u003e\u003cp\u003eThis S2 version has one 2-ohm voice coil per driver. Match the final system load to a suitable amplifier. Vehicle-specific FlexMount adaptors and any grilles are not listed in the supplied contents.\u003c\/p\u003e\u003ch3\u003eWhat’s included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2 x Ci5 S200FM-S2\u003c\/li\u003e\n\u003cli\u003e2 x Mounting material\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HELIX","offers":[{"title":"Default Title","offer_id":64316708684106,"sku":"CI21804","price":259.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/6364\/9098\/files\/helix-ci5-s200fm-s2-1.jpg?v=1794315770","url":"https:\/\/caraudiodirect.co.uk\/products\/helix-ci5-s200fm-s2-200mm-single-2-ohm-hybrid-woofers-pair","provider":"Car Audio Direct","version":"1.0","type":"link"}