Rarely the case in such a compact design



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 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, 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.)

Products purchased online will not be eligible for warranty unless sold by Appario Retail Private Limited and PRO FX Tech Private Limited

Office Address

PRO FX Tech Pvt Ltd
Barton Centre,
Ground Floor, M.G.Road,
Bengaluru - 560001

Contact Us

Tel: + 91 08951019334, + 91 80 25594440, 9945288840
Open on all days: 11 am to 9 pm

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