KEF Reference 4c Meta Centre Speaker - Satin Walnut / Silver

KEF Reference 4c Meta Centre Speaker - Satin Walnut / Silver

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 inch) MF/HF Uni-Q driver array and four 165mm (6.5 inch) bass drivers, the Reference 4c reproduces every last detail exactly as the director or the artist intended.

Specifications:
Design Three-way bass reflex
Drive units Uni-Q driver array:
HF: 25 mm (1 in.) aluminium dome with MAT
MF: 125 mm (5 in.) aluminium cone​
Bass units: LF: 4 x 165 mm (6.5 in.) aluminium cone
Frequency range free field (-6dB) 
Short port: 43Hz - 45kHz
Long port: 40Hz - 45kHz
Frequency range typical in room bass response (-6dB) 33Hz
Frequency response (±3dB) 48Hz – 35kHz
Crossover frequency 450Hz, 2.1kHz
Amplifier requirements 50-400W
Sensitivity (2.83V/1m) 88dB
Harmonic distortion 2nd & 3rd harmonics (90dB, 1m)
<0.5% 40Hz – 100kHz
<0.2% 200Hz – 2kHz
<0.1% 2kHz - 20kHz
Maximum output (peak sound pressure level at 1m with pink noise) 116dB
Impedance 4 Ω (min. 3.2 Ω)
Weight 45.2 kg (99.6 lbs.)
Dimensions (H x W x D)(with grille and terminal) 205 x 1090 x 463 mm(8.1 x 42.9 x 18.2 in.)