KEF R11 Meta

Brand: KEF

The KEF R11 Meta is the largest floorstanding model in the R Series, combining powerful bass performance with refined detail. Its three-way bass-reflex design features KEF’s 12th generation Uni-Q® driver array with MAT™ and four 165mm hybrid aluminium bass drivers, delivering impressive scale, clarity, agility and immersive high-fidelity sound.

Flagship-Scale R Series Performance with Uni-Q® and MAT™

12th Gen Uni-Q® with MAT™

KEF’s 12th generation Uni-Q® driver array combines a 25mm vented aluminium tweeter and 125mm midrange driver with Metamaterial Absorption Technology for precise detail.

Four 6.5-Inch Bass Drivers

Four 165mm hybrid aluminium bass drivers deliver powerful, controlled low-frequency performance with the scale and agility required for demanding music and cinema systems.

High Output & Wide Bandwidth

A 30Hz–50kHz frequency range, 90dB sensitivity and 113dB maximum output allow the R11 Meta to reproduce music with impressive dynamics and clarity.

R11 Meta

KEF R11 Meta

The KEF R11 Meta is designed for listeners seeking both large-scale dynamics and precise musical detail. Its three-way bass-reflex configuration combines a 12th generation Uni-Q® driver array with Metamaterial Absorption Technology and four 165mm hybrid aluminium bass drivers. The 25mm vented aluminium dome tweeter and 125mm aluminium midrange driver deliver focused detail, while the dedicated bass section provides depth and authority. With a 30Hz–50kHz frequency range, 90dB sensitivity, maximum output of 113dB and amplifier compatibility from 15W to 300W, the R11 Meta is built for powerful and highly resolving stereo systems.

R11 Meta

Details & Specifications

Design & Driver Configuration

Brand	KEF
Model	R11 Meta
Product Type	Floorstanding Speaker
Design	Three-Way Bass Reflex
Driver Technology	12th Generation Uni-Q® with MAT™

Drive Units

High-Frequency Driver	25mm (1 in.) Vented Aluminium Dome with MAT™
Midrange Driver	125mm (5 in.) Aluminium Cone
Low-Frequency Drivers	4 × 165mm (6.5 in.) Hybrid Aluminium Cones
Crossover Frequencies	330Hz / 2.5kHz

Frequency Performance

Frequency Range (-6dB)	30Hz–50kHz
Typical In-Room Bass Response (-6dB)	26Hz
Frequency Response (±3dB)	46Hz–28kHz

Performance & Amplification

Recommended Amplifier Power	15–300W
Sensitivity (2.83V / 1m)	90dB
Maximum Output	113dB
Nominal Impedance	4Ω
Minimum Impedance	3.2Ω

Harmonic Distortion

Harmonic Distortion – 33Hz and Above	<1%
Harmonic Distortion – 80Hz–20kHz	<0.5%
Measurement Level	90dB at 1m

Dimensions, Weight & Finishes

Dimensions with Terminal (H × W × D)	1249 × 200 × 384 mm
Dimensions with Terminal	49.2 × 7.9 × 15.1 in
Dimensions with Terminal & Plinth (H × W × D)	1296 × 311 × 384 mm
Dimensions with Terminal & Plinth	51.0 × 12.2 × 15.1 in
Weight	36.5 kg / 80.5 lb
Available Finishes	Black Gloss, White Gloss, Walnut

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About KEF

KEF is a British loudspeaker manufacturer known for developing advanced acoustic technologies focused on accurate, natural and highly detailed sound reproduction. Its engineering approach combines innovative driver design, cabinet development and extensive acoustic research across both traditional Hi-Fi and contemporary audio systems. Technologies such as Uni-Q® and Metamaterial Absorption Technology demonstrate KEF’s focus on improving dispersion, imaging and overall acoustic performance. From compact speakers to high-end reference designs, KEF develops products for listeners seeking precise stereo reproduction and immersive listening experiences.

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