{"product_id":"18-00sw-4-18-high-power-subwoofer","title":"Ciare SPL 18.00SW-4 18″ High-Power Subwoofer — 4Ω","description":"\u003ch2\u003eCiare SPL 18.00SW-4 18″ High-Power Subwoofer\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eSale unit: Sold individually — one subwoofer.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe 18.00SW-4 is Ciare’s 18-inch ferrite high-power subwoofer built for deep, high-output low-frequency systems. Its 4-inch voice coil and 14 mm Xmax give it substantially more cone area and displacement than the 15-inch version when enclosure size allows it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant impedance note:\u003c\/strong\u003e Ciare’s exact technical page specifies this model as \u003cstrong\u003e4Ω\u003c\/strong\u003e. Some Ciare collection-card data currently displays 8Ω; this listing follows the exact model technical specification.\u003c\/p\u003e\u003ch3\u003eVerified Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRated impedance: 4Ω\u003c\/li\u003e\n\u003cli\u003eNominal power handling: 1,000 W\u003c\/li\u003e\n\u003cli\u003eProgram power handling: 2,000 W\u003c\/li\u003e\n\u003cli\u003eVoice coil: 4 in \/ 100 mm\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91.5 dB\u003c\/li\u003e\n\u003cli\u003ePublished frequency range: 20–200 Hz\u003c\/li\u003e\n\u003cli\u003eXmax: 14 mm\u003c\/li\u003e\n\u003cli\u003eMagnet: ferrite\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOverall diameter: 460 mm \/ 18.11 in\u003c\/li\u003e\n\u003cli\u003eBaffle cutout: 416 mm \/ 16.38 in\u003c\/li\u003e\n\u003cli\u003eTotal depth: 210 mm \/ 8.27 in\u003c\/li\u003e\n\u003cli\u003eBolt circle: 440 mm \/ 17.32 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere It Makes Sense\u003c\/h3\u003e\u003cp\u003eUse the 18.00SW-4 when maximum low-frequency displacement and output matter more than enclosure size. Build the enclosure and set filtering from the published T\/S data; this is not a universal replacement for every 18-inch cutout or box alignment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIncluded:\u003c\/strong\u003e one Ciare 18.00SW-4 subwoofer.\u003c\/p\u003e","brand":"Ciare USA","offers":[{"title":"Default Title","offer_id":51888427892969,"sku":"18.00SW-4","price":315.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/1800SW4-1.png?v=1789596788","url":"https:\/\/smscaraudio.com\/products\/18-00sw-4-18-high-power-subwoofer","provider":"SMS Car Audio","version":"1.0","type":"link"}