KEF LS50 - 5.25" Passive Mini Monitor Speaker (Pair)

Model #LS50

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Specifications

Packaging Info

Package Weight 40.4 lb
Box Dimensions (LxWxH) 24.0 x 17.1 x 14.8"

General Information

Frequency Range 47 Hz - 45 kHz (-6dB)
Frequency Response 79 Hz - 28 kHz (±3dB)
Crossover Frequency 2.2 kHz
Amp Selection 25 - 100 W (not included)
Sensitivity 85 dB (2.83 V/1m)
Design Two-way bass reflex
Maximum Output 106 dB
Nominal Impedance 8 Ω (min. 3.2 Ω)
Dimensions 11.9 x 7.9 x 10.9" (302 x 200 x 278 mm)
Weight 15.8 lb (7.2 kg)
Harmonic Distortion
Drive Unit Uni-Q Driver Array: HF: 1" (25 mm) vented aluminum dome LF/MF: 5.25" (130 mm) magnesium/aluminum alloy
Expert Reviews
Reference home theater.35052990
30 June 2018
10/10

For those after true high-end sound quality without a rack of black boxes or lots of wiring, the LS50 Wireless is the best sounding solution we've heard. It sounds better than any soundbar and takes only minutes to set up.

  • +

    Fantastic sound quality and build quality, support for all the essential inputs and streaming services you need, easy setup and integration into a home without extra boxes.

  • -

    Not as easy to integrate into a living room system as a Sonos Playbar would be.

Gear patrol.34242906
2 July 2018

The KEF LS50 Wireless speakers are way more than your average bookshelf speakers. It's a hi-fi speaker system that's primed for audiophiles.

Bigpicturebigsound.34750505
5 March 2013
8.0/10

Manufacturer Details: KEF America/GP Acoustics (US Distributor) 10 Timber Lane Marlboro, NJ 07746 ph: (732) 683-2356 On the web: www.kef.com

  • +

    One of the best sounding loudspeakers you can buy, Absurdly inexpensive considering its performance, Gorgeous design and build quality, Works well with both music and movies, Easy to set-up and position, Can be driven by a 50 W/channel amplifier and sound great, State-of-the-art technology

Audiofi.34767540
21 April 2013
10/10

Not all speakers look alike, you can tell your non-audiophile friends now. The KEF LS50 shows how to mix styling flair with high-quality sonic delivery. We are smitten …

Steve huff photos.32834344
6 January 2016

Wow. Just Wow. Audio tech just continues to move forward, and here we are in 2017 with a myriad of new tech waiting for us audio nuts to try.

Sound vision.34971143
20 December 2012

KEF made theLS50minispeaker for lots of reasons. It’s a celebration of the company’s 50thanniversary. It’s the first affordable application of the technology developed for the $29,999/pairBlade.

Stereophile.34971394
3 December 2012

It is rare to find a loudspeaker that offers this combination of clarity and neutrality. For KEF's LS50 Anniversary Model to do so for a penny under $1500/pair makes it even more remarkable.

Audiofi.34767540
21 April 2013
10/10

Not all speakers look alike, you can tell your non-audiophile friends now. The KEF LS50 shows how to mix styling flair with high-quality sonic delivery. We are smitten …

What hi fi.32817832
8 October 2018
10/10

These KEF Wirelesses are way more than just active versions of the award-winning LS50s. They’re a complete system wrapped in a neat and brilliant package

  • +

    Impressive clarity and insight, Taut bass and strong dynamics, Features and excellent build, Neat package

  • -

    Some small usability issues

Trusted reviews.33834858
23 April 2018
10/10

An outstanding active speaker system that brings hi-fi sound and plug-and-play convenience together for performance that can’t be topped.

  • +

    Outstanding sound, Great choice of inputs, Easy and flexible to set up and use, Neat design

  • -

    App isn't as responsive as it could be, Can't control physical inputs via the app

User Reviews
Crutchfield.32829990
24 May 2020
10/10

After a short break-in period, I am thrilled by the performance of these speakers. They are in a nearfield listening installation and for that purpose they are ideal. Imaging and soundstage are nothing short of spectacular.

  • +

    Male and female vocals are tonally correct and have the proper drive and air about them. Acoustic instruments such as violins, cellos, and guitars are accurately reproduced.

  • -

    They required some serious wattage to sound their best. Don't pair these with a wimpy amplifier. System matching is critical. Plays well with tubes, not so much with most Class D or any bright sounding amplifier.

Amazon.32817384
24 February 2017
10/10

I'm blown away by how much and how good the sound that comes out of these little speakers is! These are perfect for anyone looking to create a small (but with big sound) 2.0 or 2.1 system for a small to medium space! I'm using these as my computer speakers, wired. They sound amazing.

Amazon.32817384
27 November 2018
10/10

Paired with kt-88 tube mono's, the sound is beautiful. Go to Carnegie Hall, or any perfectly acoustic theater, listen to a symphony, buy the music on CD, and if you play it through these with good equipment, it will sound like being there.

Crutchfield.32829990
16 November 2019
10/10

Everything I had hoped for and more. Got them on sale but having spent time with them would happily pay full price. Revealing, huge presence, amazing bass response given their small size. I'm powering them with a 35 WPC tube amp and couldn't be happier. Waited too long for this purchase.

  • +

    Amazing sound, small size, fantastic build quality, happy being powered by tube amps.

  • -

    They don't make an LS-100 or LS 150.

Amazon.32817384
23 May 2018
10/10

I've researched extensively on the web to see if this could work for my set up. I found it to be exactly as reviewed by many. One note is that it still requires a ethernet cable to connect between the Left and Right speaker, which to me isn't exactly 100% wireless.

Amazon.32817384
17 May 2018
10/10

Very impressive natural sounding speakers. The detail and separation are superb for bookshelf speakers. I don't find the bass lacking despite the small sized cabinet. These are destined to classics. They do require a decent amp as they are not the most efficient speakers.

Crutchfield.32829990
11 June 2018
10/10

I'm an old silverback gorilla recording engineer specializing in classical music. I got my start in the early 1970's and my loudspeaker for monitoring was the Rodgers LS3/5A powered by a Crown D75. Funny I switched amplifiers (Quad and Sony 3120) but I stayed loyal to the speakers.

  • +

    excellent complete monitor system. Usually speaker designers aren't great amplifier designers, and vice versa. Not true with the LS50Wireless. Excellent crossover and power design.

  • -

    I have a lot of alternative equipment that will go unused.

Amazon.32817384
8 April 2018
10/10

I used these to replace a set of 15-inch Cerwin Vega barnshakers that I came to understand were simply overwhelming the room. Incurably. I needed a brighter, clearer, more well-balanced sound, and beyond that a matched center channel to help surface dialogue that my old system only muddied.

Crutchfield.32829990
1 week ago
10/10

Fabulous sound from small desktop/stand mount speakers. Truly musical with an amazing soundstage. Great bottom end for a monitor size speaker.

  • +

    Small footprint, easy placement, adaptable sound settings for specific locations.

  • -

    None

Richer sounds.34193790
3 weeks ago
8.0/10

small size, big sound with 12 inch sub.excellent sound stage.the app is very clunky and for a boomer, not sorted yet, shall consult with technophile. need to tweak for qobuz digital sound,still a lot of running in to do, overall very pleased if all the electronics prove reliable.

Product Highlights
  • 5.25" Woofer
  • 1" Aluminum Dome Tweeter
9.3/10
Average Expert Score
9.4/10
Average User Score
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