{"product_id":"kef-ci250rrb-thx-in-ceiling-subwoofer-unit","title":"KEF Ci250RRB-THX In-Ceiling Subwoofer (Unit)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe KEF Ci250RRb-THX is a THX-certified in-ceiling subwoofer featuring an extra-long-throw 250mm bass driver with a large magnet, designed to deliver thunderous, low-distortion bass for custom install home theatres from a fully concealed ceiling location.\u003c\/p\u003e\u003ch2\u003eWho Is It For?\u003c\/h2\u003e\u003cp\u003eCustom install home theatre projects wanting concealed, THX-certified bass support without a floor-standing subwoofer cabinet.\u003c\/p\u003e\u003ch2\u003eKey Features and Why They Matter\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e250mm extra-long-throw driver:\u003c\/strong\u003e Delivers deep bass down to 20Hz with low distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHX Certification:\u003c\/strong\u003e Ultra with four units on one KASA500 amp, Select with two units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully concealed in-ceiling design:\u003c\/strong\u003e No visible subwoofer cabinet.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRoom and Use-Case Guidance\u003c\/h2\u003e\u003cp\u003eTypically deployed in pairs or fours alongside a KASA500 amplifier for THX-certified in-ceiling bass in a dedicated home theatre.\u003c\/p\u003e\u003ch2\u003ePairing Suggestions\u003c\/h2\u003e\u003cp\u003eDesigned to be powered by the KEF KASA500 amplifier alongside Ci5120QLM\/Ci3120QLM in-wall speakers.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable border=\"1\" style=\"border-collapse:collapse;width:100%\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Unit\u003c\/td\u003e\n\u003ctd\u003e250mm (10in.) extra-long-throw bass driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass Extension\u003c\/td\u003e\n\u003ctd\u003eDown to 20Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum SPL\u003c\/td\u003e\n\u003ctd\u003e109 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHX Certification\u003c\/td\u003e\n\u003ctd\u003eUltra (4 units per KASA500) \/ Select (2 units per KASA500)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Amplifier\u003c\/td\u003e\n\u003ctd\u003eKEF KASA500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cp\u003eCi250RRb-THX unit, cutout template, mounting hardware, manual.\u003c\/p\u003e\u003ch2\u003eWarranty\u003c\/h2\u003e\u003cp\u003eNeeds verification from official manual\/distributor for India-specific KEF warranty terms.\u003c\/p\u003e\u003ch2\u003eAV Kart Expert Note\u003c\/h2\u003e\u003cp\u003eThis is a professional custom-install product — correct ceiling cavity volume and a KASA500 amplifier are required to meet its rated THX performance.\u003c\/p\u003e\u003ch2\u003eFinal CTA\u003c\/h2\u003e\u003cp\u003eContact AV Kart to plan a THX-certified concealed bass system with the Ci250RRb.\u003c\/p\u003e\u003ch2\u003eMissing Data \/ Needs Verification\u003c\/h2\u003e\u003cp\u003eNominal impedance, dimensions and India warranty terms need verification from KEF's official Ci250RRb information sheet.\u003c\/p\u003e","brand":"Kef","offers":[{"title":"Default Title","offer_id":54188801130709,"sku":null,"price":142000.0,"currency_code":"INR","in_stock":true}],"url":"https:\/\/audiovisualkart.com\/products\/kef-ci250rrb-thx-in-ceiling-subwoofer-unit","provider":"Audio Visual Kart","version":"1.0","type":"link"}