{"product_id":"kef-ci250rrb-thx-architectural-subwoofer","title":"Kef Ci250RRb-THX Architectural Subwoofer","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003ch3 id=\"i2vgs7m\"\u003eThe Extreme Architectural Subwoofer\u003c\/h3\u003e\n\u003cdiv id=\"ijejuw1\"\u003eEngineered to deliver incredibly accurate and powerful bass, Ci250RRb-THX is the perfect addition to any music or home theatre system and an excellent partner to other KEF loudspeakers. Featuring an extra-long-throw 250mm (10 in.) bass driver with a massive 150oz magnet, Ci250RRb-THX delivers exceptional depth with the accuracy needed for an epic music, movie or gaming experience.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003ch3 id=\"ipjz3t\"\u003eFeel the detail in the deep\u003c\/h3\u003e\n\u003cdiv id=\"izxr9w\"\u003eIn order to create the most immersive experience for music and movies, tremendous power is tempered with fine detailing. The extra-long-throw 250mm (10 in.) bass driver of Ci250RRb-THX, when driven by the KEF’s DSP-equipped\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/international.kef.com\/products\/kasa500-amplifier\" rel=\"nofollow\"\u003e\u003cu\u003eKASA500 amplifier\u003c\/u\u003e\u003c\/a\u003e, delivers both in spades.\u003cbr\u003e\u003cbr\u003eAs part of the Extreme Home Theatre line-up within KEF Architectural Speakers, Ci250RRb-THX is engineered to deliver high-fidelity sound experience for the most discerning music and movie lovers. Featuring a massive 150oz magnet in the motor system, Ci250RRb-THX delivers thunderous, low-distortion bass down to 20Hz with a maximum SPL of 109dB.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003ch3\u003eTHX Certified\u003c\/h3\u003e\n\u003cdiv id=\"i53xgb\" class=\"page-width cms_precision\"\u003e\n\u003cdiv id=\"ifrd33\" class=\"basic_row cms_precision\"\u003e\n\u003cdiv id=\"iel6af\" class=\"basic_column cms_precision\"\u003e\n\u003cdiv id=\"ibmphe\"\u003e\n\u003cp\u003eCi250RRb-THX delivers ultra-high performance with true theatre sound quality for large theatres and living rooms and it is certified to THX\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eUltra with the configuration of four Ci250RRb-THX powered by one KEF KASA500 amplifier. When the KEF KASA500 amplifier powers two Ci250RRb-THX, the performance meets the THX\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eSelect standard.\u003c\/p\u003e\n\u003cp\u003eA deep understanding of the filmmaking process and surround sound is at the very heart of every THX\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003ecertified speaker system. Engineered with design characteristics of professional studio speakers, THX\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003erecreates the tonal balance of the filmmaker's final mix in your living room. The results? Action sequences are impactful, and dialogue-driven moments are natural and engaging.\u003c\/p\u003e\n\u003cp\u003eTHX\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003ecertified subwoofers deliver the appropriate frequency response and high output and imaging quality of a traditional box speaker. This provides the best of both worlds - THX\u003csup\u003e®\u003c\/sup\u003esurround sound performance from components that blend harmoniously with any interior.\u003c\/p\u003e\n\u003cdiv id=\"idqu87\" class=\"page-width cms_precision\"\u003e\n\u003ch3 id=\"i3v2x4\"\u003eDesigned to perform\u003c\/h3\u003e\n\u003cdiv id=\"itvlfw\"\u003eEngineered to be structurally robust with a premium aesthetic, the bespoke Ultra-Thin Bezel (UTB) offers the slimmest visible rim around the speaker while casting virtually no shadow. The paintable UTB and magnetic grille ensures the speaker seamlessly blends into the environment.\u003cbr\u003e\u003cbr\u003eCi250RRb-THX is splash water and dust proof with IP64 certification. With a well-considered mechanical design, Ci250RRb-THX ensures ease of installation with the minimum of fuss.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100.087%; height: 391.876px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"text-align: left; width: 43.8664%; height: 19.5938px;\"\u003eSpec\u003c\/th\u003e\n\u003cth style=\"text-align: left; width: 53.274%; height: 19.5938px;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 43.8664%; height: 39.1875px;\"\u003eFrequency Response (±6dB, Open-Backed)\u003c\/td\u003e\n\u003ctd style=\"width: 53.274%; height: 39.1875px;\"\u003e20Hz – KASA Setting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.8664%; height: 19.5938px;\"\u003eFrequency Range (-10dB)\u003c\/td\u003e\n\u003ctd style=\"width: 53.274%; height: 19.5938px;\"\u003e16Hz – KASA Setting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.8664%; height: 19.5938px;\"\u003eMaximum SPL\u003c\/td\u003e\n\u003ctd style=\"width: 53.274%; height: 19.5938px;\"\u003e109dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.8664%; height: 19.5938px;\"\u003eDrive Units\u003c\/td\u003e\n\u003ctd style=\"width: 53.274%; height: 19.5938px;\"\u003e\n\u003cstrong\u003eLF:\u003c\/strong\u003e 250mm (10 in.)\u003cstrong\u003eMF:\u003c\/strong\u003e None\u003cstrong\u003eHF:\u003c\/strong\u003e None\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.8664%; height: 19.5938px;\"\u003eRequired Amplifier\u003c\/td\u003e\n\u003ctd style=\"width: 53.274%; height: 19.5938px;\"\u003eKEF KASA500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.8664%; height: 19.5938px;\"\u003eRecommended Low-Pass Filter\u003c\/td\u003e\n\u003ctd style=\"width: 53.274%; height: 19.5938px;\"\u003e50Hz – 120Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 43.8664%; height: 39.1875px;\"\u003eProduct External Dimensions\u003c\/td\u003e\n\u003ctd style=\"width: 53.274%; height: 39.1875px;\"\u003eDiameter: Ø 346mm (13.62 in.)Depth: 153mm (6.0 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.8664%; height: 19.5938px;\"\u003eCut-Out Dimensions\u003c\/td\u003e\n\u003ctd style=\"width: 53.274%; height: 19.5938px;\"\u003eDiameter: Ø 300mm (11.81 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.8664%; height: 19.5938px;\"\u003eNet Weight\u003c\/td\u003e\n\u003ctd style=\"width: 53.274%; height: 19.5938px;\"\u003e5.6kg (12.3 lbs.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.8664%; height: 19.5938px;\"\u003eMounting Depth From Surface\u003c\/td\u003e\n\u003ctd style=\"width: 53.274%; height: 19.5938px;\"\u003e147mm (5.8 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.8664%; height: 19.5938px;\"\u003eOptional Rough-In Frame\u003c\/td\u003e\n\u003ctd style=\"width: 53.274%; height: 19.5938px;\"\u003eNot Available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.8664%; height: 19.5938px;\"\u003eIdeal Rear Volume\u003c\/td\u003e\n\u003ctd style=\"width: 53.274%; height: 19.5938px;\"\u003e140L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.8664%; height: 19.5938px;\"\u003eMinimum Rear Volume\u003c\/td\u003e\n\u003ctd style=\"width: 53.274%; height: 19.5938px;\"\u003e70L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.8664%; height: 19.5938px;\"\u003eTHX Certification\u003c\/td\u003e\n\u003ctd style=\"width: 53.274%; height: 19.5938px;\"\u003eTHX® Certified Ultra\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.8664%; height: 19.5938px;\"\u003eSafety \u0026amp; Regulatory Compliance\u003c\/td\u003e\n\u003ctd style=\"width: 53.274%; height: 19.5938px;\"\u003eIP64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 43.8664%; height: 39.1875px;\"\u003eCeiling Thickness\u003c\/td\u003e\n\u003ctd style=\"width: 53.274%; height: 39.1875px;\"\u003eMaximum: 30mm (1.18 in.)Minimum: 6mm (0.24 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ig8n48\" class=\"cms_precision\"\u003e\n\u003cdiv id=\"ibce3e\" class=\"cms_grille cms_precision\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"idqu87\" class=\"page-width cms_precision\"\u003e\u003c\/div\u003e","brand":"Kef","offers":[{"title":"Default Title","offer_id":48845519061209,"sku":"2","price":142000.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/1891\/9897\/files\/WhatsAppImage2026-06-23at5.22.03PM.jpg?v=1782215724","url":"https:\/\/shdigimedia.com\/products\/kef-ci250rrb-thx-architectural-subwoofer","provider":"SH DIGITAL MEDIA","version":"1.0","type":"link"}