Product Description:

The KEF Reference 4 Meta delivers cinematic-grade center-channel performance with flagship-level acoustic precision. Its 12th-gen Uni-Q® driver with MAT™ provides crisp, distortion-free highs and wide dispersion, while four 6.5″ woofers produce deep, controlled bass down to ~33 Hz. With a broad 48 Hz–35 kHz response, 88 dB sensitivity and up to 400 W handling, it anchors serious multi-channel and home-theater systems with clarity and power.

Products Specifications

• Type: 3-way passive bass-reflex (ported) centre / LCR channel speaker. 

• Driver Configuration:

  • HF: 25 mm (1") aluminium-dome tweeter with Metamaterial Absorption Technology (MAT™) 

  • Midrange: 125 mm (5") aluminium cone midrange driver (part of the Uni-Q® array) 

  • Bass: 4 × 165 mm (6.5") aluminium-cone woofers for full low-frequency extension. 

• Frequency Response (±3 dB): 48 Hz – 35 kHz 

• Bass Extension (in-room, –6 dB): down to approx. 33 Hz depending on port tuning and room acoustics. 

• Sensitivity: 88 dB (2.83 V / 1 m) 

• Nominal Impedance: 4 Ω (minimum ~3.2 Ω) 

• Recommended Amplifier Power: 50–400 W 

• Crossover Frequencies: ~450 Hz (bass → mid), ~2.1 kHz (mid → tweeter) 

• Maximum Output (Peak SPL @1 m, pink noise): ~116 dB

• Impedance / Connectivity: 5-way bi-wire/b i-amp binding posts supported 

• Dimensions (H × W × D): 205 × 1,090 × 463 mm (≈ 8.1″ × 42.9″ × 18.2″) 

• Weight: ~45.2 kg (≈ 99.6 lbs) per speaker. 

• Cabinet / Design: Ported bass-reflex cabinet, with finishes per Reference series quality — able to serve as center or L/C/R in stereo or home-theater setups.