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KEF LS50 Flagship Hifi Speakers

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"The LS50 resolves beautifully and matches this with tonal accuracy and cohesion that is truly outstanding but just as importantly, it does all this with a sense of energy life and sheer entertainment that is quite its own." - AVF

Quick Overview

​An innovative concept inspired by the legendary LS3/5a, LS50 mini monitor speaker is designed to bring 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.
  • Design Two-way bass reflex
  • 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 2.2kHz
  • Amplifier requirements 25 - 100 W
  • Sensitivity (2.83V/1m) 85dB
  • Harmonic distortion 2nd & 3rd harmonics (90dB, 1m) <0.4% 175Hz-20kHz
  • Maximum output 106dB
  • Nominal impedance 8Ω (min. 3.2Ω)
  • Weight 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.)
  • Ratings & Reviews

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    After reading several magazine reviews saying how amazing these are and giving them high recommendations I was still skeptical.... until I heard them in person. I was blown away by the level of performance these offer and am continually amazed by them. I've listened to many speakers over the years and have never heard anything within double the price that comes close for me. My opinion is that these are a must own for any audiophile. Even if you don't use them every day, you should have a set to reference off of.