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LS50W Powered Music System

The LS50W Powered Music System is a complete and fully active music system. Sharing the same winning acoustic features of KEF’s renowned LS50, LS50W enables the user to easily enjoy excellent music reproduction, previously only achieved with a system comprised of separate high quality components. Created without compromising on any of LS50's award winning acoustic capabilities, LS50W adds audiophile-grade amplification and sound processing, as well as extensive connectivity. The LS50W features Spotify Connect, Tidal Streaming, and is a Roon endpoint providing the ultimate in flexibility and connectivity.


KEF LS50W featuring Tidal, Spotify!

Availability: In stock

$2,199.99

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LS50 Pedigree

All of the acoustic features and innovations that set the LS50 apart from every other speaker in its class remain. The FEA-designed cabinet with its constrained layer damping bracing and precision engineered curved baffle, the Uni-Q driver and the elliptical flexible port all work in concert to prevent cabinet vibration and resonances that produce unwanted sound coloration – putting you that much closer to how your favorite music was intended to sound.
KEF LS50 Wireless Uni-Q Driver
Uni-Q sound taken to the next levelUni-Q sound taken to the next level

To get the most out of your music, every note should arrive at your ears at exactly the right time. Before KEF perfected our Uni-Q technology, this perfect time alignment could only be experienced in a small 'sweet spot,' leaving listeners outside of the ‘sweet spot’ with a less than ideal listening experience. Uni-Q changed that, opening up the optimum listening space to practically every spot in your room. The LS50W employs an advanced time correcting DSP crossover which takes that awesome achievement to the next level by correcting for inherent time delays introduced in the crossover stage. Amazing sound dispersion matched only by a live music performance is now attainable in virtually every room. This incredible achievement cannot be reproduced by any other active speaker.
Crossover Timing Correction

Every note should hit your ears at exactly the right time. Previously, this perfect time alignment was only a theoretical ideal and perfectly accurate sound could only be experienced within a small 'sweet spot'. With LS50Ws’ advanced time correcting DSP crossover and the unique sound dispersion abilities of Uni-Q, accurate sound reproduction can be achieved in practically every location in any type of room. This is a feat that cannot be reproduced by any other active speaker.
KEF LS50 Wireless Crossover Timing Correction
Audiophile Grade System ConfigurationA complete fully active system

The LS50W features an end-to-end 192kHz/24-bit high-resolution digital signal path, a streaming pre-amplifier, and two separate DACs for each channel, for a total of four. Powered in the analogue stage by an incredibly fast and clean 230 Watts per channel in a bi-amp dual mono configuration, the LS50W is a complete, high-fidelity music system that will cost you far less than you’d spend putting together the separate components necessary to match the performance of the LS50W. LS50W gives you all of the connectivity options you’ll need to get the most out of your music, including 2.4GHz/5GHz Dual-band Wi-Fi, Bluetooth 4.0 aptX, Asynchronous USB Type B, TOSLINK Optical, and RCA-type line-level analogue inputs. A dedicated LS50W app (available for iOS and Android) easily facilitates network setup, music streaming, playback and DSP control.

Ultimate Flexibility

An incredible listening experience is easy as plugging in. Simply connect both LS50W speakers to a power source and connect an audio source to enjoy high quality sound that music deserves. Adjust how the LS50W sounds using a selectable EQ tuned to compensate for different mounting scenarios, creating more options for placement and positioning. Regardless of placement, Uni-Q technology disperses sound evenly for total listening enjoyment. Use the touch sensitive control panel or the remote control to ensure complete control of LS50W from a different aspect. A dedicated iOS or Android app can allow detailed adjustment to optimise sound for different rooms.
KEF LS50 Wireless Features Spotify Connect!KEF LS50 Wireless Features Tidal Streaming!KEF LS50 Wireless is a Roon Endpoint
• In the box

- LS50W System (Right: Master speaker; Left: Slave speaker)
- 2m Power cord x 2
- 3m Cat-6 Inter-speaker cable x1
- 2m USB cable x1
- 1m LAN cable x1
- Matching Remote Control
- Quick Start Guide
- Safety and Warranty Card

• Click here to learn more about the KEF LS50W Powered Music System at KEF.com

Customer Reviews

Impressive and Versatile Review by Jon M
Build Quality
Sound Quality
Would you recommend?
Sound is pretty astonishing coming out of these small, seemingly simple speakers. Of course, they're actually not simple at all under the hood, and they offer a plethora of connectivity options and modern streaming support.

Between WAF-approved looks, great sound, and versatility, KEFs LS50W's really set the bar for "what's to come".

The software and interfaces can use a good deal of work however.... (Posted on 11/14/2017)
Stunning Review by Peter Hyatt
Build Quality
Sound Quality
Would you recommend?
Beautiful reproduction of digital music. Warm, clearly defined, with gorgeous soundstage, this is an all-in-one system that takes the guess or "synergy" work out of having to match DACS with amps with speakers.
To match this quality of sound, one would have to spend a great deal more money.
If you love audiophile sound quality and have hi res files, this will fit the bill.
As others have said, the app is not great, but I imagine it will be improved. It is, for us, a non issue due to the comparison to sound quality.
We use Chord Mojo and Hugo 2, with Beyerdynamic T1 and T8 headphones, so this is our reference point of comparison. It is difficult to get the beauty of Chord/Beyer combination in open air music.
The KEF LS50 with an expensive DAC/amp added will do it, but now the LS50 wireless does it without the expensive components.
Classical music to Dylan to Springsteen to...well, it does it all. We don't know if adding a subwoofer is even needed!
(Posted on 11/5/2017)
LS50w lives up to all expectations Review by KEFnOff
Build Quality
Sound Quality
Would you recommend?
I own the original LS50's powered by a hybrid tube integrated, so I had high expectations. KEF have the knowledge and equipment to pull off a proper execution of sound improvement over the passives. Out of the box, these are real performers! I now have a couple weeks break in time and things are beginning to sound more relaxed. These are so revealing that each album takes on its own character.
Give these a whirl and decide for yourself. (Posted on 7/8/2017)
Great Sound Review by SteveAdler
Build Quality
Sound Quality
Would you recommend?
These speakers are smaller than I anticipated from their photos. I bought them without first hearing them in the store and was very surprised by the very high quality of sound they produce given their dimensions. Setup was easy. Took them out of the box, connected the ethernet cable between the speakers, and then plugged them into the outlets. Documentation is excellent, and a guided process helps through the software setup. Sadly, the LS50W does require a wifi setup and the wifi app does not allow you to enter hidden network names. So you have to unhide your network name in order for the app to find it, and then rehide it to protect wifi security.

The speakers sound a bit closed in the first day. Not very dynamic. But they open up after about 24 hours and continue to improve. DSP setup greatly assists getting bass tuned for the closeness to walls and other room dynamics. Trebble is extended. Soundstage is wide and convincing. Bass is far deeper than I ever imagined. Imaging is excellent. The LS50W plays loud without grain or distortion. Superb sounding speakers at a reference level.

The outstanding sound is let down a bit by the simple remote, input selection process, wifi, and firmware updates:

- The remote has no visible means to identify the input selected.

- You can choose between wifi connection, analog, Toslink, or USB, but you can only see the selection on top of the speaker.

- It is necessary to choose the wifi connection to change the speaker setup. If you are listening through the USB input, you have to change to the wifi input. Wifi takes a few seconds to reconnect.

- firmware updates are only possible via a windows 10 pc connected to the speakers via USB. KEF should implement a network based firmware update process.

The Android App KEF uses to manage the speaker settings from a phone is not well designed and it is a pity there is only one app. It would be great for KEF and the public if KEF would publish its LS50W API's and allow 3rd parties to develop better apps for the speakers.

For most people, these technical inconveniences are small in comparison to the convenience of a very small set of reference quality hifi speakers that simplify equipment purchasing and setup. I'm sure KEF will improve interface and apps in the future and powered monitors will become more common and easier to use, changing the relationships of Amplifiers, Pre-Amplifiers, Speakers, Cables, and sources forever.

If sound is your primary objective, the KEF LS50W is about the easiest entry point into superb hifi. (Posted on 7/6/2017)
Unbelievable! Review by Charles
Build Quality
Sound Quality
Would you recommend?
There is really no point going into the specific details on how these speakers sound. If you are reading these reviews, you probably already have a good idea of what to expect.

That said, the detail, spaciousness, and dynamics you get with these speakers are a steal for the price. I had a violinist listen to these after I set them up and she could not believe that they were able to reproduce the vibrations and dynamics from the bow. In her mind, it sounded the same as from a violinist's perspective when playing. She couldn't even put everything she was feeling into words.

In the end, just know that you will not find a better stereo setup for the price. What KEF has done here is nothing short of remarkable. (Posted on 6/30/2017)
Great Setup Review by neilt
Build Quality
Sound Quality
Would you recommend?
Purchased a pair and they actually had a mould defect on the speaker and Kef replaced them no problem. I have had a few App issues but sent feedback and I find Kef listen and are responsive. They sound great, look great and deliver on there promise. Would definitely recommend. I have replaced my Copland Cd player, musical fidelity amp, Dynaudio speakers and have no regrets. Perfect for the minimalist lifestyle. (Posted on 6/27/2017)
KEF direct excellent servic Review by Larry
Build Quality
Sound Quality
Would you recommend?
I purchased a pair of kef ls50 wireless speakers a few months ago and they are excellent. Unfortunately my dog chewed up the remote. Couldn't find any information on how to purchase another one so I emailed kef direct. Three days later they had sent me a new remote no charge, not even shipping and handling. Fantastic company and will always recommend. (Posted on 6/22/2017)
Sounds great but many issues Review by Darwinia
Build Quality
Sound Quality
Would you recommend?
These speakers sound great. Nobody will dispute that. But there are many usability and software issues.
For usability. The remote is awful. Cheap, plasticky, not responsive. I replaced it with a Logitech harmony 650.
No auto switching of sources, no ability to control many functions and especially shut down time.
The software is terrible. The app doesn't work right half the time. There is a firmware update but it is PC only and many people are reporting issues after updating the firmware such as speaker stuttering and static.
Kef is clearly not prepared to support the software to the level these speakers requires.
Technical support e-mail goes unanswered and for some reason their support forum is on Facebook. Not all of us have Facebook you know. I value my privacy more than that.
I've had these speakers since December and am getting pretty fed up with the lack of support and terrible software.
Read some of the av forums listing all of these issues. Lots of people are having them.
I'm wondering if Kef only allows positive reviews here. Let's see if they post this. (Posted on 6/16/2017)
Great sound Gorgeous looking Review by Mustafa
Build Quality
Sound Quality
Would you recommend?
Having both X300W and the LS 50 in my Computer room powered by Peachtree Nova 150 I always felt I was missing something So this year I decided to order this from Amazon. and placed them in my computer room on 24" stands connected the speakers and used after market shielded power cords ! WOW right out of the box they sounded fantastic ! my only concern is that with X300W I had to send them back to KEF when they developed a electronic fault of course the wonderful tech people at Kef replaced the parts for free and send them back to me in about three weeks . (Posted on 5/15/2017)
Excellent Review by greg
Build Quality
Sound Quality
Would you recommend?
I purchased these to replace the passive LS50 that I currently use... they exceed my expectation. (Posted on 5/3/2017)
I thought I had quality before --- but that has changed now! Review by Darinr1304
Build Quality
Sound Quality
Would you recommend?
Recently acquired these and to say impressed, astounded, amazed would just be an understatement. These speakers bring new clarity and quality to my music!

A must buy; if you're thinking of spending some money; these without doubt have a small price tag for the quality! (Posted on 4/26/2017)
High Quality Speakers - with some trade offs Review by Kevin
Build Quality
Sound Quality
Would you recommend?
First off, these speakers live up to their reputation and reviews for sound quality. For many listeners, a good quality subwoofer will be a must. For me, the obvious absence of a strong bottom end to the sound just isn't as satisfying as what you get with a nicely matched subwoofer to handle what these speakers are incapable of delivering.

Secondly, connectivity is very ambitious. There are options for wireless, blue tooth, optical, aux, and PC. For my setup, the optical solution works best - I drive all my sources via my Samsung TV (with Apple TV). Hence, I get TV/Movie/and my Apple Music library all through one common/high quality connection. Bluetooth works but sound quality not as good as optical. Alas, wireless is very poor - and this includes intermittent and awkward controls for the DSP settings. None of this is a show stopper - but be aware that some connectivity options work better than others.

One the whole - a solid value. Very pleased with the investment. (Posted on 4/26/2017)
Good and beautiful speakers Review by Yeonsoo
Build Quality
Sound Quality
Would you recommend?
I like the speakers. I used KEF X300A powered speakers before. They were ok in sound quality nothing special. But LS50 wirelessly is noticeably better in sound quality. I'm not go into details about it but the best so far I've ever heard.
However, I was disappointed in a few things . I can't use airplay with the speakers; I can't play apple lossless files with the app; and i asked inquiries about that and they said they would relay the questions to someone who has knowledge but no answer yet.
The experience could have been perfect. (Posted on 4/15/2017)
Excellent sound. Poor user interface and wireless features. Review by aeson
Build Quality
Sound Quality
Would you recommend?
I'll skip the sound part. In essence, this is a pair quality speaker from KEF.

Wireless features are half baked, worse if you are an iOS user. WIFI playback is limited to using LS50W's special APP. It plays music files that you ripped from your CDs but won't play with any streaming services such as Spotify, Tidal or Apple Music. You can also forget about Bluetooth aptX in iOS devices.

Since the Touch panel faces up, it's impossible to tell the power status nor input source from far. Nothing can wake up the speakers except the power button. You will be required to frequently walk over to the speakers to find out whether the speakers are ready. On off tune and the Bluetooth connection tune are similar and confusing. The same beep for every input sources is meaningless. You will check out the touch panel often. (Posted on 4/11/2017)
Great All in One Speaker system Review by JohnA
Build Quality
Sound Quality
Would you recommend?
I have owned these speakers for two weeks now. The first weekend I ran them day and night in order to break them in. They replaced the KEF X300A in my office system. First of all they sound so much better than the X300A. Much better bass and much better retrieval of low level detail. Just much more musical. One of the real strengths of this speaker is the connectivity. It has both optical and USB inputs to get the most out of the internal DAC which by the ay can support 24/192 data rates. The fit and finish are excellent. I bought the gloss black and it just looks amazing with the blue speakers. My only issue is not at all with the speaker but rather with KEF. I can't tell you how many places I have read negative comments about these speakers because KEF insists on calling this a wireless speaker. My right channel has five wires connected to it and my left channel has two. While you can connect to this speaker via wifi or bluetooth it is far from "wireless". That said I am siting here now listening to it via a microRendu and Roon and the sound quality is just amazing. Highly recommended even if they are not really wireless. (Posted on 3/31/2017)
Great all in one system Review by Randy
Build Quality
Sound Quality
Would you recommend?
Awesome!!! (Posted on 3/17/2017)
Glorious sound, fantastic looks - soured by a few niggles Review by Iain
Build Quality
Sound Quality
Would you recommend?
There's no point trying to be coy about it - these sound simply glorious and with their matched amps and corrected crossovers produce a level of detail, balance and togetherness usually reserved for a much higher price point. They do benefit massively from the addition of a sub that can be tucked away out of sight and with a bit of careful cable management and the right stands they are very graceful, minimal and non-intrusive. As someone who's lived with a profusion of cabling and extras for decades it's a big bonus, but just a cherry on top.

The problem is some software design choices - rather common sounding power on and off noises remind the user of turning on your PC or rebooting a phone or default ring-tones and you will hear these very regularly as the speakers automatically power down and require manually turning back on even if a constant TOSLink or USB connection is maintained. The power cycling process produces loud clicks from the secondary speaker as the amplifier engages and disengages - considering no such noise comes from the primary this is a rather amateur moment. Finally to adjust any speaker settings you must stop whatever you're doing and switch input to bluetooth/wireless mode so the app is willing to access the speaker - this is clunky as hell and makes any finetuning a series of stabs in the dark.

Firmware can apparently be updated via a network connection but there is no information to be found anywhere within the app or KEF's product pages about where this firmware might be found, how to request updates or even how to receive notification of when updates might be available. Attempting chasing a remedy to this got me told there would be no updates unless enough people complained - hopefully the fact that half the reviews on this site comment on issues will get some action.

Generally a truly wonderful sounding product let down by a poor user experience which needs further refinement, hopefully forthcoming with a firmware and app update including a working FAQ section on such details. I would suggest discussion of firmware updates before purchase. (Posted on 3/4/2017)
Big sound from a small package! Review by Alex
Build Quality
Sound Quality
Would you recommend?
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 in a small to medium space!

I'm using these as my computer speakers, wired. They simply sound amazing. Connecting to my iPhone 7 through bluetooth there's a step down in sound quality but nothing drastic, most people wouldn't notice the difference, unless you're an audiophile or were listening to both wired/bluetooth back to back. Overall I'm extremely satisfied with them!

About the app, yeah....lets not talk about the app for now......it needs serious work! This is the only negative, keep in mind this product is relatively new, I'm sure Kef will make it right in due time. Right Kef?!?! (Posted on 2/24/2017)
Great things do come in small packages Review by Dan
Build Quality
Sound Quality
Would you recommend?
Great build, looks, quality and sound. Has the bass of a much bigger speaker. The only issues (and they are minor) are that the KEF app is sporadic and I'd like to see the system turn on when it sensed a source. (Posted on 2/17/2017)
I'm very impressed! Review by Daniel
Build Quality
Sound Quality
Would you recommend?
I purchased a pair of these from my local KEF dealer to find out if they'd impress me enough to replace my KEF LS50/integrated amp/DAC digital audio system. I was intrigued by the idea of perfectly matched speakers/amp/DAC since I'm a firm believer in ideal synergy best being achieved by engineers who's pay grade is far above my own. I'd never buy a sports car with an engine, electrical system, and chassis that weren't designed by one manufacturer so why should we be doing this with our audio? How do I feel about the "me way of doing things" after a couple of weeks of analysis? I give the LS50 Wireless a firm A+, and the last of my previous equipment sold on eBay today. I couldn't be any more pleased. Like several of the professional reviewers have said, I never heard my LS50s sound this good when powered by an external amplifier and expernal DAC. I'll never go back! (Posted on 2/13/2017)
IMHO These are a complete Audiophile Grade Listening Solution Review by ChipB
Build Quality
Sound Quality
Would you recommend?
There are plenty of reviews that are positive, so in my perspective, LS50 Wireless are outstanding clarity, air, sparkle, depth, bass (extended option,) naturalness of voices, punch, impact. Tremendous ability to fill out a medium sized living room, with beautiful deep sound for the times you want to experience the music as if live, or relax with it in the quiet of the evening. In the 70's I had a mega watt, floor standing high end Bose, large equipment rack and radial turntable. I can let it all go, without feeling like I have stepped down in anyway. For years I have been into some extremely high-end digital audio with Headphones, matching headphones cables, amps, DACs and pristine resolution files, and these stack up very well, for an open audio system. I could just use the system as is, BUT in my situation I needed to have longer power cords (3m), and audio speaker interconnect, (5m) for my set-up so I did change them and upgrade, BUT otherwise did not feel the need. For power cords I picked a 14GA basic audio level power cord, and for speaker interconnect, I chose a Cat 7 cable, though Cat 6, should be fine. KEF stands are not available at this time, so I chose one with a 61/2 x 8 top plate in the $200. range, but also used an Aperta isolator, popping off the rubber speaker feet. I also added a AC line filter box, because I don't have other home theatre equipment causing me to go beyond a basic surge protector. I've spent weeks making these choices, so I hope this may help someone else. I did check with KEF support, and they recommended a speaker stand top plate of 7x8 minimum, and stands which are fillable with a dampening material. I enjoy listening to them in extended bass setting, and they advised they can be used this way 100% of the time without damage. They also said "You will definitely notice more bass after the break in period. The breaking period will occur between 120 or 140 hours of use. The drivers will completely open up." Hope this helps others! My stands are 24 inch, and with the Aperta, the height is 27 inches. KEF support thought anywhere between 18-28 inches height is fine. Finally i do notice a improvement in using a good source wired with a a good line out (3.v vs 1.V). Wireless is excellent jus the app still needs to improve. (Posted on 2/7/2017)
Amazing sound but features need help Review by Darwin
Build Quality
Sound Quality
Would you recommend?
Really great sound.
Terrible remote.
Needs auto switching of sources, ability to use phone app instead of remote, and Airplay. There is really no good reason not to have airplay on these as bluetooth has much worse sound quality.
Roon and MQA integration would be really nice. (Posted on 1/31/2017)
Breathtaking Sound, But Not Really "Wireless." Review by ImageCaptureNYC
Build Quality
Sound Quality
Would you recommend?
I received these speakers via Fedex a few days ago after waiting since November for their official release month of January, 2017. They sound amazing, but my problem is not with the sound, but with the interface.

I read a few reviews online prior to their arrival (but unfortunately after I ordered them) that the speakers can't play (can't even see on my hard drive) SACD-ISO, DSD64 or DSD128 files - only a max-24bit/192kHz file. That may be what the KEF app can play, but I'm here to tell you that I play SACD files through Audirvana Plus just fine, and they sound amazing on these speakers. The manufacturer was so surprised when I told them I was able to get them to work that they emailed me twice with requests for details.

Here's the issue I have - you CAN play music via WiFi thru your phone, but not from a computer or laptop. I'm left with having to connect a USB cable from my laptop to the speakers - very unsightly and cumbersome. Their support team told me that I could stream via Bluetooth, but there would be a loss in quality.

Again, they sound amazing thru my USB setup, but I am hoping that A) KEF acknowledges that you CAN play SACD-ISO files using the right software, and B) solve the problem of WiFi interaction with computers, so audiophiles (the intended audience at this price-point) can stream their high-res files without clumsy cables. They are not truly "wireless speakers" because they are wired to each other, wired to their respective electrical outlets, and now, unfortunately wired to my computer.



________________

From KEF:

The KEF LS50W uses PCM audio for playback and similar to most other playback devices and platforms, users wishing to stream DSD/SACD audio must first convert the audio from DSD to PCM. This is accomplished via a menu selection in the playback program. For example, in Audivarna, as per their user manual (pg. 34,35), the user must select either 64-bit decimation or 64-bit multistage to convert the DSD audio signal to PCM before sending to the DACs. You absolutely stream DSD files to the LS50W as long as your server/host converts the file to PCM first, so therefore technically, you are playing files converted from DSD to PCM rather than playing straight DSD.

The KEF LS50W supports DLNA streaming, but it does not support Apple Airplay. You can stream audio from your DLNA-enabled device such as a PC or laptop but you will need an Airport Express (for example) to stream from a MAC to the LS50W. DLNA is the world-wide standard for non-Apple manufactured audio/video streaming and connection, and Apple has produced products such as the AirPort Express for this express purpose.

Because of the necessity in having as precise a clock as possible to sync the left and right channels for phase-correct output and to reduce other issues caused by imprecise clocking, the clock generated in the master speaker as well as the audio data, is transmitted via a CAT6 cable. In order to provide as high quality an output as possible, there are separate amplifier and DSP sets in each speaker, because of this each speaker requires its own AC power source as well. As a result of our desire to make LS50W an extremely high-end active music system, the system is wireless, but the speakers within the system, by necessity, are not. (Posted on 1/26/2017)
Award Speaking Speakers Taken To The Next Level Review by Alex
Build Quality
Sound Quality
Would you recommend?
I am a previous owner of the KEF LS50 speakers which were already one of, if not the best, speakers in their original price range ($1500). Well these speakers improve on just about everything with those and actually prove to be a better value now that you don't need to worry about an Amplifier, DAC or Network Streamer if you don't want too. And the way the Amp/DAC are implemented I can say that you probably won't want too. I tried multiple different amp/DAC pairings with my original LS50's and nothing sounded as good as these custom built one's do. Musicality is through the roof on these bad boys, they quite simply sound fantastic.

If I was to nitpick anything I would have to say the Network Streaming is a bit lacking in terms of user interface, as well as the ability to use TIDAL streaming, which was a deal breaker for me. Easy enough fix though, I just hooked up an Auralic Aries Mini as my streamer, picking up TIDAL in the process as well as a better UI and slightly improved sound quality. Not necessary, but I would recommend something like the Aries or even a Sonore MicroRendu if you're serious about your hi-fi. If they do end up implementing TIDAL streaming (and Roon for that matter), then these would literally be perfect. A job well done by KEF, and a speaker that seriously takes hi-fi to another level for a very modest price. (Posted on 1/26/2017)
KEF LS50 wireless brings audiophile-grade sound into the modern home Review by Kishan
Build Quality
Sound Quality
Would you recommend?
I recently purchased the LS50 wireless in white / copper. The speakers look great, have superior build quality and they feel very solid. They are super heavy and barely vibrate when in use (which is a great when placed on a desk). The setup experience was super easy (as it should be) with the desk/stand, wall/free space options. Sound quality is everything you would expect from a pair of high end speakers - The rich and deep sound is nothing but spectacular. When not in use, these speakers power themselves off automatically. Highly recommend these speakers if you are looking to invest in audiophile speakers without having to think about the complexity and intrusive physical footprint of a multi-component sound system.

In terms of improvements, I hope that KEF provides a way to wake up the speakers when music is streamed vs. having to turn on manually on the speaker or using the remote. In a future version of the product, it would be great if the speakers could be wirelessly linked to each other instead of the CAT cable connection. (Posted on 1/25/2017)
Great Sound, Bad User Experience Review by Eugene
Build Quality
Sound Quality
Would you recommend?
Well, I am avoiding describing the audio quality as there will be plenty of audiophile reviews.

My biggest concern with these speakers is User Experience. While claiming that these speakers are Wireless, it seems KEF killed such an important feature as auto wake up if signal is coming into any of the inputs. This feature greatly worked in KEF X300A Wireless. You could just start streaming something with AirPlay or AUX and speakers would turn on and start playing. These are silent dead! Until you find a remote control to turn them on, or if you will make a round trip to the end of the room to press the ON button on top of the left speaker. Seriously?! And this is every other hour, as it seems speakers go sleep after an hour or so of not playing.

I am not sure if KEF is about to address this in some firmware update, as it seems they introduced this silly ON button on the speaker and on the remote control to remind you that you are still on the planet Earth and you must to suffer a bit while enjoying the heaven class audio quality.

P.S. One of the possible solutions would be at least turn on speakers if Volume Up/Down signal is sent from IR Remote. As you can program you Apple TV 4 Remote to control volume of these speakers at the moment. (Posted on 1/19/2017)

Reviews

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Model LS50 Wireless System
Compatibility Spotify Connect
Tidal HiFi
Roon *Coming Soon
Drive Units Uni-Q driver array:
HF: 25mm (1in.) vented aluminium dome
LF/MF: 130mm (5.25in.) magnesium/aluminium alloy
Frequency Range (-6dB) Measured at 85dB/1m
40Hz – 47kHz (More bass extension)
43Hz – 47kHz (Standard)
46Hz – 47kHz (Less bass extension)
Depending on speaker settings
Frequency Response (±3dB) Measured at 85dB/1m
45Hz – 28kHz (More bass extension)
50Hz – 28kHz (Standard)
61Hz – 28kHz (Less bass extension)
Depending on speaker settings
Max Peak SPL 106dB
Inputs 2.4GHz/5GHz Dual-band Wi-Fi network
Bluetooth 4.0 with aptX® codec
USB Type B
TOSLINK Optical
RCA Analog Line Level Input
10/100 Mbps RJ45 Ethernet (For network and service)
Output Subwoofer output
Amplifier Output Power
LF: 200W | HF: 30W (Per Speaker)
Bluetooth Range 10m
Bluetooth Memory 8 devices
Resolution Up to 24bit Depending on source resolution
Sampling Rate Up to 192kHz (USB Type B)
Up to 96kHz (TOSLINK Optical)
Depending on source resolution
Wi-Fi Network Standard IEEE 802.11a/b/g/n
Wi-Fi Network Frequency Band Dual-band 2.4GHz/ 5 GHz
Power Input 100 – 240VAC 50/60Hz
Dimensions (H x W x D) 300 x 200 x 308mm(11.8 x 7.9 x 12.1in.)
Weight Left Speaker 10.0kg (22.0lbs.) Right Speaker 10.2kg (22.5lbs.)
Weight Left Speaker 10.0kg (22.0lbs.) Right Speaker 10.2kg (22.5lbs.)
Unit Measurment Pair
** KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE. **











KEF LS50 WIRELESS HIFI SPEAKERS review from Partime Audiophile. LS50W Review + Editor's Choice
 "The sound quality of the LS50W varied most critically with volume. Resolution at low-to-mid volumes was good, with excellent imagery and placement, and an overall engaging level of quality. Turning the volume knob over, however (or in this case, jamming the + button over and over), resulted in magic. These babies love to play loud. Bass is just exceptional for something this small/compact, and I loved it. The soundstage was 3-D and wholly holographic."
Year: 2017
Magazine / Issuing Body: Part-time Audiophile
Country: United States
Product: KEF LS50W Powered Music System
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KEF LS50 WIRELESS HIFI SPEAKERS review from Mac Review. LS50W Review
 "The LS50Ws are an amazing addition for a company and industry that typically focuses on passive speakers hooked up to bigger and bigger receivers. To get this level of sound quality and clarity from such a small, self-contained pair of speakers is a true achievement and has the potential to lead a new class of speakers into the future. Hearing these in person removes any of the sticker shock, and music aficionados and budding audiophiles should move KEF's LS50W speakers to the top of their equipment wish list."
Year: 2017
Magazine / Issuing Body: MacDirectory
Country: United States
Product: KEF LS50W Powered Music System
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KEF LS50 WIRELESS HIFI SPEAKERS review and award from SoundStage! Network LS50W Powered Music System Review & Reviewer's Choice Award
 "KEF’s LS50W is an outstanding loudspeaker. Its build quality, finish, and technical prowess are beyond reproach, and its sound quality remains faithful to both KEF’s design principles and to the original LS50. That KEF has been able to stuff so much hardware and DSP know-how into one of their best-ever speaker designs and then charge only $2199.99/pair for it -- $700 more than the original -- is a mystery to me. The fact that it sounds better than the original is all the better."
Year: 2017
Magazine / Issuing Body: SoundStage! Access
Country: United States
Product: KEF LS50W Powered Music System
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KEF LS50 WIRELESS HIFI SPEAKERS review and award from SoundStage! Network
KEF LS50 WIRELESS HIFI SPEAKERS review from Digital Trends LS50W Powered Music System Review
 "Sound is crystalline, set before your ears with sparkling purity, impressive expression, and effortless extension. Music sounds so transparent and articulate you feel you could almost dive in and touch each instrument as it’s playing, and each sound is placed deftly within the wide soundstage, occupying a distinct and nearly tangible point in the air. Details are exposed with organic resonance, revealing each tick and glint of an instrument or voice’s timbre, and just as importantly, the space that surrounds it."
Year: 2017
Magazine / Issuing Body: DigitalTrends.com
Country: United States
Product: KEF LS50W Powered Music System
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KEF LS50 WIRELESS HIFI SPEAKERS review Positive Feedback LS50W Powered Music System Review
 "That the LS50 Wireless are rather grand, I would hope you understood by now—I can't think of any component in recent memory that has been this much fun to unbox, setup and take around the house, room to room so to speak, identifying its various commitments to multi-room, multi-condition sound... This is the future, no question."
Year: 2017
Magazine / Issuing Body: Positive-Feedback.com
Country: United States
Product: KEF LS50W Powered Music System
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KEF LS50 WIRELESS HIFI SPEAKERS review Rateyoursound.com LS50W Powered Music System rated best High-end Wireless Speaker System
 "It's a futuristic home music system and a classic at the same time. KEF's technology and its Uni-Q driver dispersion is engineered to deliver the listener a full range speaker suited for both the desktop or a living room setup. For any audiophile and music lover this system is the easy way to have an audiophile system without all the separate components."
Year: 2017
Magazine / Issuing Body: Rateyoursound.com
Country: United States
Product: KEF LS50W Powered Music System
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KEF LS50 WIRELESS HIFI SPEAKERS review Rateyoursound.com Review
 "We were all impressed with KEF LS50W's technical performance. The speakers are packed with powerful amplifiers offering near state of the art digital performance at half the price of a pair of Devialet Phantoms. It was easy to become deeply impressed with the sound quality of the KEF's and are among the very best luxury wireless music systems available."
Year: 2017
Magazine / Issuing Body: Rateyoursound.com
Country: United States
Product: KEF LS50W Powered Music System
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KEF LS50 WIRELESS HIFI SPEAKERS review 6moons.com Review
 "Now the active KEF setup competes with a passive LS50 system costing ten times its retail price. So sharp is the LS50 Wireless' value-for-money quotient that one could add the Sonore microRendu and Bluesound Node 2 and still find oneself sitting pretty with pie-in-the-sky performance/$, looking down from on high on the separates and integrateds required by the red boxes. From the LS50 Wireless system we get performance that exceeds the sum of its parts way beyond that which is expected or usual."
Year: 2017
Magazine / Issuing Body: 6Moons.com
Country: Germany
Product: KEF LS50W Powered Music System
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KEF LS50 WIRELESS HIFI SPEAKERS Knock Out Award & Product of the Year award 2016
 "Something for audiophiles, something for mainstreamers – after all, it’s in the LS50 Wireless’ DNA. As a straddler of worlds, the KEFs walk away not only with a Knockout Award but also DAR’s Product of the Year award for 2016. If this product doesn’t convince audiophiles of the legitimacy of active loudspeakers, nothing will."
Year: 2016
Magazine / Issuing Body: Digitalaudioreview.net
Country: Germany
Product: KEF LS50W Powered Music System
Read full review.
 
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