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Marlboro, NJ – September 28, 2022: KEF is announcing that they’ve extended their comprehensive range of architectural speakers with two new THX® Certified models; the ultra-high-performance three-way coaxial speaker Ci250RRM-THX and the high-output architectural subwoofer Ci250RRb-THX. As part of the KEF Extreme Home Theatre line-up, both models deliver the drama and emotional intensity of true…