The KEF Reference 4 Meta centre channel loudspeaker employs a balanced three-way driver architecture with Metamaterial Absorption Technology, engineered specifically for high-performance multi-channel cinema installations. Operating as the flagship centre model within the KEF Reference Series, this enclosure maintains tonal coherence and pristine dialogue intelligibility across wide listening environments. Its symmetrical driver layout ensures multichannel film scores and dialogue articulate with uniform acoustic dispersion to every position in the room.The Hi-Fi Centre Team TakeIn a demanding multichannel cinema system, the centre speaker carries the majority of critical audio information, and the KEF Reference 4 Meta handles heavy dynamic loads without acoustic compression. Its physical scale and balanced driver geometry anchor dialogue directly to the screen, providing voices with authentic vocal weight and definition during dense action sequences. Listeners seated off-axis experience identical tonal balance and clarity as those in the central sweet spot. The speaker produces an authoritative, effortless presence that allows complex multichannel soundtracks to unfold naturally.Key Acoustic & Design Features 12th Generation Uni-Q: Coaxially aligns the tweeter and midrange driver for unified acoustic dispersion across the listening area. Metamaterial Absorption Technology: Eliminates 99% of rear high-frequency energy inside the driver assembly to reduce acoustic colouration. Symmetrical Quad-Woofer Array: Employs four 165 mm aluminium bass drivers to minimise cone excursion and control low-frequency distortion. Authorized Dealer Support: Backed by full manufacturer warranty coverage, factory support, and specialist guidance from Hi-Fi Centre. Technical Specifications Design: Three-way bass reflex centre channel High-Frequency Driver: 25 mm (1 in.) vented aluminium dome with MAT Mid-Frequency Driver: 125 mm (5 in.) aluminium cone Low-Frequency Drivers: 4 x 165 mm (6.5 in.) aluminium cones Frequency Response (±3dB): 48 Hz – 35 kHz Frequency Range (-6dB): Short port: 43 Hz – 45 kHz; Long port: 40 Hz – 45 kHz Typical In-Room Bass Response (-6dB): 33 Hz Crossover Frequencies: 450 Hz, 2.1 kHz Amplifier Requirements: 50 – 400 W Sensitivity (2.83V/1m): 88 dB Maximum Output (SPL at 1m): 116 dB Nominal Impedance: 4 Ω (min. 3.2 Ω) Harmonic Distortion (90dB, 1m):