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2499.99
LS50 Wireless II
$2,499.99
The Ultimate Wireless HiFi Speakers
LS50 Wireless II is more than a high-performance loudspeaker; it’s the perfect all-in-one speaker system, streaming from any source thanks to wireless compatibility with AirPlay 2, Chromecast and more, plus wired connections for your TV, games console and turntable. Great sound, no strings attached. KEF's 12 generation Uni-Q with Metamaterial Absorption Technology (MAT ™) delivers reduced coloration, less distortion, and a sound that is more transparent and life-like than previously possible.
Product Features
LS50 Wireless II
Every note. Every word. Every detail.
LS50 Wireless II
Every note. Every word. Every detail.
LS50 Wireless II is more than a high-performance loudspeaker; it’s the perfect all-in-one speaker system. It reveals every detail of your favourite music, which you stream from any source thanks to wireless compatibility with AirPlay 2, Chromecast and more
WHAT HI-FI? AWARDS 2020 - 'PRODUCT OF THE YEAR'
"These sequels are among the most thrilling speaker systems we’ve heard." — September 2020, What Hi-Fi?
5 STAR REVIEW – WHAT HI-FI? SOUND AND VISION
“These sequels are among the most thrilling speaker systems we’ve heard.” — September 2020
Freedom
All the music, all the time
No matter how you stream your music, LS50 Wireless II has you covered. You can stream directly from the Spotify native app with Spotify Connect. With the KEF Connect app you can also stream Tidal, Amazon Music, Qobuz, and Deezer or tune in to internet radio and podcasts.
All your devices
Out-of-the-box wireless compatibility with AirPlay 2, Google Chromecast and more, backed up with wired connections for your TV, turntable, CD player and games console. Whatever source you’ve got, LS50 Wireless II is ready for it.
Hi-Fi enthusiast
LS50 Wireless II has audiophiles covered with support for streaming music files up to 24bit/384kHz, as well as MQA, DSD256, and Roon Ready. These features mean that even the experienced hifi enthusiast will marvel at this exceptional loudspeaker’s ability.
User-Centred
Let you be you
Even beyond the flawless musical performance, LS50 Wireless II is a breeze to set up thanks to the KEF Connect app. It is intuitive to use with any source in your home, and it allows simple over-the-air firmware updates that bring you new and improved features with the minimum of fuss.
Wired or wireless connectivity
You can choose to operate LS50 Wireless II completely wirelessly at 24bit/96kHz resolution for a completely clutter-free set up, or you can connect the two speakers with the supplied cable for 24bit/192kHz resolution sound.
Personalised listening experience
The brand-new dedicated KEF Connect app controls LS50 Wireless II on a day-to-day basis, including intuitive sound settings so you can tune the sound to your own personal tastes. You can even select your favourite source to wake up LS50 Wireless II whenever it comes on, allowing you immediate access to the best sound.
Simple multiroom system
When using LS50 Wireless II with Airplay 2, Chromecast or Roon you can stream to multiple speakers around your home at the same time. By using multiple LS50 Wireless II speakers, you can have a simple, high-performance multiroom system.
Performance. Most accurate,immersive sound.
LS50 Wireless II features KEF's 12th generation Uni-Q driver with Metamaterial Absorption Technology (MAT ™) for exceptional acoustic accuracy and a pure natural sound.
Music Integrity Engine
All aspects of the LS50 Wireless II’s performance is aided by KEF’s bespoke Music Integrity Engine. This collection of bespoke Digital Signal Processing algorithms is optimised for the Uni-Q driver, enabling it to deliver a perfectly timed performance, for better imaging and a tighter sound.
Plentiful power
The built-in amplifiers have been developed in-house by KEF. Each tweeter is driven by a 100W class A/B amplifier that delivers a smooth, incredibly detailed treble performance. Dedicated 280W class D amplifiers power the mid/bass drivers, for room-filling, controlled sound up to 108db.
Design
Attention to every detail
Every aspect of LS50 Wireless II has been considered for acoustic benefits and from a design perspective. The low-diffraction, curved baffle is precision modelled around the Uni-Q driver, while eye-catching heat sinks and colour-matched ports are located on the well-equipped rear. The top-mounted control panel is designed to be stylish and functional.
The perfect colour for you
LS50 Wireless II is available in three matte finishes, carbon black, titanium grey, and mineral white, as well as a Crimson Red Special Edition. All the colour options are mirrored on both the drive units and the rear-facing port. The top-mounted control panel is designed to be stylish and functional.
What's New
Owners of the LS50 Wireless may be wondering what’s new? The answer: pretty much everything. The original was fantastic, but LS50 Wireless II is better in every respect, with improved sound, better connectivity and usability.
LS50 Wireless II
LS50 Wireless
Streaming Services
Wireless Streaming Support
Multi-room Streaming
Enabled
Built-in Amplifier Power (per system)
760W
460W
MAX SPL
108dB
106dB
Max Source Resolution
384kHz/32bit
MQA, DSD256
MQA, DSD256
192kHz/24bit
PCM
PCM
Interspeaker Connection
Proprietary Wireless
or Cat 6 Cable
or Cat 6 Cable
Cat 6 Cable
Driver Unit
12th Generation
Uni-Q with MAT
+40%
frequency response smoothness
Uni-Q with MAT
+40%
frequency response smoothness
11th Generation
Uni-Q
Uni-Q
Driver rearward Source Absorption
99%
by MAT
by MAT
60%
by vented tweeter
by vented tweeter
Mid-band Total Harmonic Distortion (THD) at 90dB/1m
THD 0.07%
Extremely low distortion by driver motor redesign
Extremely low distortion by driver motor redesign
THD 0.1%
Low distortion
Low distortion
Experience
The best way to experience the brilliance of LS50 Wireless II is up close and personal. We are certain you won’t regret the experience.
Reviews 9
Customer Reviews
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MUST BUYSometimes you pay less for what you get and this is proof.
The sound is stunning, the detail in the midrange is stunning, I fallen in love with these speakers cant wait to listen to them with kf62 sub woofer. Thank You Kef.Posted on
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EArc is now functional via firmware update!On 1-22-21, I reviewed the LS-50’s Wireless and had only one criticism. The eArc did not function and as a work around I had to use the Optical connection. I called support and they responded very quickly and promised a firmware update within 30 days. This updated review raises my Value score from 4 stars to 5 because KEF honored their word and pushed out a firmware update. The eArc works as promised and I couldn’t be happier! Thanks KEF and more importantly a big thumbs up to KEF support!
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Fantastic design, gorgeous soundThese are room-filling, detailed, crystal clear additions to any home system. Setup is easy and flexible to accommodate almost any input. The sound quality is absolutely stunning, particularly (though not necessarily) when combined with a KEF Kube subwoofer. My favorite audiophile purchase.
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Sound and functionality is Great! Unfortunately, ARC doesn’t work....I’ve had the LS 50’s Wireless for a couple weeks. I chose the platinum version and I got to tell you they are beautiful. Musically, they sound very balanced with vocals and instrumentals especially satisfying. Bass is good for a such a small speaker, but definitely won’t overwhelm you. I live in a small condo and have to be respectful of my neighbors so booming bass was not an option. App is intuitive and works well. Another reviewer didn’t appreciate the power on and off tone, but I kinda like it. I currently use Spotify and like that I can use my Apple Watch to control play/pause/skip track and volume. The downside is the ARC functionality doesn’t work on my LG OLED TV. My workaround is the Optical connection. The vocals on television programs and movies is awesome. No more constantly adjusting volume to hear the vocals! I bought these secondarily as a sound bar alternative so a little disappointed ARC functionality wasn’t operational. Though I was impressed with KEF support. I called and received a callback within an hour. The representative stated they were aware of the problem and would be pushing out a firmware update in about thirty days. I called on 1-16-21 so we will see how responsive they are. I’ll give them a Mulligan on this one. If ARC worked then I give Quality 5 stars instead of 4. Maybe I’m nitpicking, but for $2,500 you expect full functionality.
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Missing USB digital inputReturned. For desktop users, USB input is quite convenient, including playing MQA music by other apps, like foobar2000. I wish USB input back.
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StunningI'm sure some firmware updates are in the pipeline so I'm only going to refer to the sound quality performance, which is to put simply stunning. The soundstage height is seemingly limitless, I can close my eyes and there's no limit to the height and width of the soundstage but it's the height that's blowing my mind. The speakers completely disappear behind a wall of sound that extends in every direction, height width and depth. There is every bit of detail and you can follow the instruments and textures independently or take in the presentation as a whole live performance. Everything sounds alive, it doesn't sound like a stereo, there is life to a good recording, it makes me want to listen to more instrumental and less pop style electronic music because the instruments sound so real and dimensional. The bass is as deep, punchy, tight and extended as can be desired from a small box. I can't imagine how much more you would have to spend to improve the sound quality from what is essentially a perfect stereo at this state of technology. Highly recommended.
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great sound quality, poor computer connectivityI've been getting to know my new speakers. These are going to replace my x300a's that I've used since they came out as my computer speakers. I work from home & my use is essentially split between listening to music, watching youtube videos and video conferencing.
The lack of USB connectivity has been vexing, I can connect via AirPlay, but the lag is a big problem for video conferencing. Also, volume and mute keyboard controls work most of the time, but not all of the time. The other issue is I am on VPN a decent share of the day - I think there is a way to poke holes for AirPlay, but it is a project.
I've been looking at USB-SPDIF converters as a potential solution. I don't like that I wouldn't have volume control, but I'm expecting it to solve the latency issue. There are a range of devices that do this job - wondering still if I'm missing something obvious. I contacted KEF support for advice and total crickets for 3 days now.
My only other gripe with the speakers is the annoying strum noise they make when they power on (annoying, but fine) and when they power off!!! Like, when its 2am and I am headed to bed. I turn off the speakers and in response they play a sound? I am turning it off... I clearly don't want sound to come out.Posted on
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Nice upgradeI owned the original LS50W and sold them to upgrade to the new version. The good news is they sound better and the app is better. The streaming options and performance from the app is significantly better than the original version. The improvement in the sound is is a nice refinement in clarity, detail and effortless presentation. As good as the original is, the new version offers a worthwhile improvement. The not so good news is that the LS50II is not Roon Certified. The inability to use the LS50WII with Roon is a disappointment and a step down in convenience from the original version. KEF tells us this situation will be fixed "soon". BTW. Roon is available via AirPlay or Chromecast but this is not how I listen to Roon. Fortunately KEF did improve their app so while I am waiting for Roon I am able to easily access my streaming services. Again, great sound and a good app but please get the Roon Certification issues worked out.
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AwesomeThese sound great but more important kef finally made an app that actually works.
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Spec
| Model | LS50 Wireless II |
| Drive Units | Uni-Q Driver Array: LF: 130 mm (5.25 in.) aluminium cone HF: 25 mm (1 in.) vented aluminium dome with Metamaterial Absorption Technology |
| Frequency range (-6dB) measured at 85dB/1m | 40 Hz – 47 kHz *Depends on EQ settings |
| Frequency response (±3dB) measured at 85dB/1m | 45 Hz – 28 kHz *Depends on EQ settings |
| Amplifier output power (per speaker) | LF: 280W HF: 100W |
| Wireless streaming features | AirPlay 2 Google Chromecast ROON Ready UPnP Compatible Bluetooth 4.2 |
| Streaming services | Spotify via Spotify Connect Tidal Amazon Music Qobuz Deezer QQ Music via QPlay Internet Radio Podcast |
| Source resolution | Network up to 384kHz/24bit Optical up to 96kHz/24bit Coaxial up to 192kHz/24bit HDMI up to 192kHz/24bit |
| Interspeaker connection | Wireless: all sources resampled to 96kHz/24bit PCM Wired: all sources resampled to 192kHz/24bit PCM |
| Supported format (all inputs) | MP3, M4A, AAC, FLAC, WAV, AIFF, ALAC, WMA, LPCM and Ogg Vorbis |
| Supported format (network) | MQA DSF: DSD64, DSD128, DSD256 DFF: DSD64 |
| Dimensions (HWD per speaker) | 305 x 200 x 311 mm (12 x 7.9 x 12.2 in.) |
| Weight (per set) | 20.1kg (44.31lbs) |
| Power input | 100 – 240VAC 50/60Hz |
| Power consumption | 200W (operating power) <2.0W (standby power) |
| Primary speaker Inputs | HDMI eARC TOSLINK Optical Digital Coaxial Analog 3.5mm Auxiliary USB Type A (service) RJ45 Ethernet (network) RJ45 Ethernet (interspeaker) |
| Output | RCA Subwoofer output |
| Wi-Fi network standard | Dual-band 2.4 GHz / 5 GHz |
| Secondary speaker Inputs | USB Type A (service) RJ45 Ethernet (interspeaker) |
** KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE. **
Videos
Press and Awards
| Review |
| "The KEF LS50 Wireless II are a triumphant improvement upon the company’s previous stereo speakers, offering superb sound quality, an easy setup, and a wealth of connectivity options." |
| Year: 2020 |
| Magazine / Issuing Body: Techradar.com |
| Country of Publication: United States |
| Product: LS50 Wireless II |
| Award: Product of the year |
| Year: 2020 |
| Magazine / Issuing Body: What Hi*Fi |
| Country of Publication: United Kingdom |
| Product: LS50 Wireless II |
| Review: What Hifi Five Star |
| "KEF’s revisions have paid off; these sequels are among the most thrilling speaker systems we’ve heard" |
| Year: 2020 |
| Magazine / Issuing Body: What Hi*Fi |
| Country of Publication: United Kingdom |
| Product: LS50 Wireless II |
| Review: The best speakers for music |
| "Gorgeous looks, impressive sound, and no amplifier required." |
| Year: 2020 |
| Magazine / Issuing Body: Digitaltrends.com |
| Country of Publication: United States |
| Product: LS50 Wireless II |
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