{"product_id":"kef-the-reference-4c-centre-speaker","title":"KEF The Reference 4C Centre Speaker","description":"As the main source of dialogue and vocals, the centre channel is critical to your enjoyment of what’s on screen. With KEF’s superlative new 125mm (5”) MF\/HF Uni-Q driver array between four 165mm (6.5 inch) bass drivers, the Reference 4c reproduces every last detail exactly as the director or the artist intended - spatially precise, stunningly clear and with a dynamic range that takes rapid transitions in its stride. For movie buffs looking for total immersion, it’s the perfect centre.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n \nModel REFERENCE 4c\u003cbr\u003e \nDesign Three-way bass reflex\u003cbr\u003e \nDrive Units Uni-Q driver array:\u003cbr\u003e\nHF: 25mm (1in.) vented aluminium dome\u003cbr\u003e\nMF: 125mm (5in.) aluminium\u003cbr\u003e\u003cbr\u003e\nBass units:\u003cbr\u003e\nLF: 4 x165mm (6.5in.) aluminium\u003cbr\u003e \nFrequency range free field (-6dB) Short port: 43Hz - 45kHz\u003cbr\u003e\nLong port: 40Hz - 45kHz \u003cbr\u003e\nFrequency range typical in room bass response (-6dB) 33Hz\u003cbr\u003e \nFrequency response (±3dB) 48Hz – 35kHz \u003cbr\u003e\nCrossover frequency 350Hz, 2.8kHz \u003cbr\u003e\nAmplifier Requirements 50-400 W \u003cbr\u003e\nSensitivity (2.83V\/ 1m) 90dB \u003cbr\u003e\nHarmonic distortion 2nd \u0026amp; 3rd harmonics (90dB, 1m) less than 0.5% 40Hz – 100kHz, less than 0.2% 200Hz – 10kHz \nMaximum output (peak sound pressure level at 1m with pink noise) 116dB\u003cbr\u003e\nImpedance 8Ω (min. 3.2Ω) \nWeight 45.2kg (99.6lbs.) \u003cbr\u003e\nDimensions - with grille, terminal \u0026amp; plinth (H x W x D) 205 x 1090 x 470 mm (8.1 x 42.9 x 18.5 in.) \u003cbr\u003e\nFinish Deep Piano Black, Satin American Walnut, Luxury Gloss Rosewood ","brand":"KEF Audio","offers":[{"title":"Deep Piano Black","offer_id":57409473347916,"sku":"KEFREF4CB","price":5000.0,"currency_code":"GBP","in_stock":true},{"title":"American Walnut","offer_id":57421041369420,"sku":"KEFREF4CAW","price":5000.0,"currency_code":"GBP","in_stock":true},{"title":"Gloss Rosewood","offer_id":57421043237196,"sku":"KEFREF4CGR","price":5000.0,"currency_code":"GBP","in_stock":true},{"title":"Blue Ice White","offer_id":57421043728716,"sku":"KEFREF4C-BIW","price":5000.0,"currency_code":"GBP","in_stock":true},{"title":"Copper Black Aluminium","offer_id":57421043761484,"sku":"KEFREF4C-CBA","price":5000.0,"currency_code":"GBP","in_stock":true},{"title":"Silver Satin Walnut","offer_id":57421045727564,"sku":"KEFREF4C-SSW","price":5000.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1053\/6891\/2204\/files\/KEF-The-Reference-4c-centre-Black.jpg?v=1777486760","url":"https:\/\/www.stoneaudio.co.uk\/products\/kef-the-reference-4c-centre-speaker","provider":"Stone Audio","version":"1.0","type":"link"}