KEF ls50


117,000.00 /Pair

Rarely the case in such a compact design


KEF ls50

An innovative concept inspired by the legendary LS3/5a, the LS50 mini monitor speaker is designed to bring a professional studio monitor concept into the home.

Rarely the case in such a compact design, the KEF LS50 monitor delivers a rich, multi-dimensional ‘soundstage experience’ that is out of all proportion to its size. Patent-pending acoustic designs, together with state-of-the-art technologies from KEF’s latest flagship Blade loudspeaker, provide the ultimate studio experience – even in the smallest of spaces.


Creating a small housing capable of delivering such a spacious sound is the result of considerable research and development. In cabinet construction, baffle shaping and port design, KEF LS50 breaks new ground with patent-pending technology. All this is made possible by KEF’s leadership in modern research (including techniques such as Finite Element Analysis and Computational Fluid Dynamics*). LS50’s unique technology offers by far the cleanest, most accurate studio-grade performance of any mini monitor.


LS50 employs revolutionary technology developed for Blade, KEF’s latest flagship loudspeaker. Using the very latest Uni-Q driver, specifically designed for this model, LS50 radiates an extremely large listening sweet spot and delivers a remarkably fast, clean sound. And, because LS50 neither adds nor subtracts a single sound, it’s effortlessly natural and accurate too.

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Twoway bass reflex

Drive units

Uni-Q driver array:

HF: 25mm (1in.) vented

aluminium dome

LF/MF: 130mm (5.25in.)

magnesium/aluminium alloy

Frequency range (-6dB)

47Hz – 45kHz

Frequency response (±3dB)

79Hz – 28kHz

Crossover frequency


Amplifier requirements

25 – 100 W

Sensitivity (2.83V/1m)


Harmonic distortion

2nd & 3rd harmonics (90dB, 1m)

<0.4% 175Hz-20kHz

Maximum output


Nominal impedance

8 (min. 3.2?)


7.2kg (15.8lbs.)

Dimension (H x W x D)(with terminal)

302 x 200 x 278 mm

(11.9 x 7.9 x 10.9 in.)

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