{"product_id":"kef-ci200qsb-thx-8-inch-in-wall-subwoofer","title":"KEF Ci200QSb-THX 8\" In-Wall Subwoofer","description":"\u003cp\u003eThe KEF Ci200QSb-THX is a pair of 8-inch in-wall subwoofers engineered for serious home cinema builds, multi-room installations and trade projects where deep bass needs to disappear into the wall. THX Ultra-2 and Select-2 certified, this pair is designed to deliver cinema-grade low end without a visible subwoofer cabinet, making it ideal for dedicated cinema rooms, media lounges and feature installations where aesthetics matter as much as performance.\u003c\/p\u003e\n\u003ch3\u003eWhy we like it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTHX Ultra-2\/Select-2 certification guarantees flat response, low distortion and high output\u003c\/li\u003e\n\u003cli\u003eFlexible passive or active (KASA500) operation to suit different system configurations\u003c\/li\u003e\n\u003cli\u003eUltra-Thin Bezel and paintable magnetic grille blend into any décor\u003c\/li\u003e\n\u003cli\u003eIP64 rating adds durability for garages and less climate-controlled rooms\u003c\/li\u003e\n\u003cli\u003eDog-leg mounting system speeds up installation into standard wall cavities\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation notes\u003c\/h3\u003e\n\u003cp\u003eEach subwoofer requires a 238 x 238mm cut-out and a mounting depth of 101.6mm, with a compatible wall cavity thickness of 6-40mm. In passive mode, pair with a 10-150W amplifier; for full THX active performance, use alongside KEF's KASA500 amplifier, particularly when installing multiple pairs for larger rooms.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver\u003c\/td\u003e\n\u003ctd\u003e8\" (200mm) dynamic LF driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003e6 Ohm (passive mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e85dB (passive mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e40Hz-100Hz (passive); 18Hz-140Hz (active)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrossover\u003c\/td\u003e\n\u003ctd\u003e100Hz (passive mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier Power\u003c\/td\u003e\n\u003ctd\u003e10-150W (passive); KASA500 (active)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCut-Out Size\u003c\/td\u003e\n\u003ctd\u003e238 x 238mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Dimensions\u003c\/td\u003e\n\u003ctd\u003e273 x 273 x 106mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e101.6mm; wall thickness 6-40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (each)\u003c\/td\u003e\n\u003ctd\u003e3.3kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"KEF","offers":[{"title":"Pair","offer_id":55348791247187,"sku":"Ci200QSb-THX","price":800.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1115\/1323\/9891\/files\/Ci200QSb-THX-1_51ebcb41-3544-4476-b9b2-78f9122b34ac.jpg?v=1791895668","url":"https:\/\/www.ceiling-speakers.co\/products\/kef-ci200qsb-thx-8-inch-in-wall-subwoofer","provider":"Ceiling Speaker Warehouse","version":"1.0","type":"link"}