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KEF

KEF LS50 Wireless II Active HiFi Speakers, Mineral White

  • Based on 154 reviews
Condition: New
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Availability: Only 3 left in stock, order soon!
Fulfilled by WORLD WIDE STEREO
Arrives Saturday, Oct 24
Order within 7 hours and 50 minutes
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Color: White


Pattern: Speakers


Features

  • ALL-IN-ONE HIGH-FIDELITY AUDIO: The KEF LS50 Wireless II delivers breathtaking audiophile sound with no need for separate amplifiers. Enjoy a complete stereo system that brings pristine, room-filling sound to your living room, office, or home theater.
  • SEAMLESS WIRELESS STREAMING: Effortlessly stream your favorite music using Apple AirPlay 2, Google Chromecast, Spotify Connect, or Tidal Connect. Support for high-resolution audio ensures you hear every detail exactly as the artist intended.
  • UNI-Q TECHNOLOGY FOR IMMERSIVE SOUND: Featuring KEF's pioneering 12th-generation Uni-Q driver array, these speakers disperse sound evenly throughout the room, creating a wide and natural soundstage where everyone gets the best seat in the house.
  • METAMATERIAL ABSORPTION TECHNOLOGY (MAT): Revolutionary MAT technology absorbs 99% of unwanted sound from the rear of the driver. This eliminates distortion, resulting in a purer, more natural acoustic performance for music, movies, and gaming.
  • VERSATILE CONNECTIVITY OPTIONS: Connect to your TV via HDMI eARC for a cinematic upgrade, or use the analog, optical, and coaxial inputs for turntables, CD players, and gaming consoles. The dedicated subwoofer output allows you to easily expand your bass.

Description

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. LS50 Wireless II melts away, leaving you to enjoy the music. Revolutionary Metamaterial Absorption Technology eliminates distortion for a purer, more natural sound, while our 12th generation Uni-Q with MAT driver array delivers three-dimensional, wonderfully revealing sound anywhere in the room. A truly revolutionary tool in the KEF acoustic armory, Metamaterial Absorption Technology (MAT) is a highly complex maze-like structure that absorbs 99% of the unwanted sound from the rear of the driver, eliminating the resulting distortion and providing purer, more natural sound. KEF’s many pioneering innovations are all geared towards delivering breath-takingly natural sound; sound that lets you enjoy music as it was meant to be heard. Of all these pioneering developments, it is the Uni-Q driver array that sits at the heart of almost all our speakers. 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. Whatever source you’ve got, LS50 Wireless II is ready for it. Every aspect has been considered for acoustic benefits and from a design perspective. The built-in amplifiers have been developed in-house, ensuring a smooth, detailed performance. Beyond incredible performance, LS50 Wireless II is a breeze to set up thanks to the KEF Connect app. No matter how you stream your music, LS50 Wireless II has you covered. How do I set up LS50 Wireless II? A Wi-Fi network is required for initial setup. Download the KEF Connect App from the App Store or Google Play Store and install it on your mobile device. Follow instructions in the app to get the speakers connected (onboarded) to your Wi-Fi network. What should I do if I cannot find my LS50 Wireless II in the network during set-up? Make sure your device, speakers and router are within sight. The speakers broadcast on Channel 2 (2.4 GHz band). If your router overlaps this channel, it may cause issues. Go to your router settings and configure the 2.4 GHz channel to avoid overlap. What router specifications does LS50 Wireless II support? IEEE 802.11a/b/g/n/ac, IPv4, IPv6, Dual-band 2.4 GHz / 5 GHz For better streaming stability, especially on hi-resolution music files, a 5 GHz Wi-Fi network with a router transmission speed of at least 1300 Mbps is recommended. How far apart can I place the two speakers? Wireless: up to 8 meters apart depending on your network condition. A congested network environment will have more interferences and may reduce this distance. Wired: Cable length up to 10 meters Can I change the Primary Speaker as the left channel? By default, the Primary Speaker is the right channel and the Secondary speaker is the left channel. After connecting the speakers to your home Wi-Fi network, you can inverse the L/R channels in the KEF Connect App. KEF LS50 Wireless II KEF LS60 Wireless KEF LSX II KEF LSX II LT KEF is a proud pioneer of excellence in sound. Since 1961, from our UK home, we have created remarkable award-winning speakers. KEF exists to fill rooms with music as it was made to be heard, to move souls with truly authentic soundscapes. Now, we're bringing more people with us on our journey to discover the power of great sound. Now in our seventh decade, we're staying at the forefront of audio excellence. Uni-Q Technology Hear everything, no matter where you sit. With KEF’s Uni-Q technology, every seat is the best one in the house. We’ve placed the tweeter precisely at the acoustic centre of the bass/midrange cone. This single point source disperses sound evenly throughout the room, eliminating a singular ‘sweet spot’ and allowing everyone to experience pure sound, no matter where they’re seated. Metamaterial Absorption Technology A truly revolutionary tool in the KEF acoustic armoury, Metamaterial Absorption Technology (MAT) is a highly complex maze-like structure that absorbs 99% of the unwanted sound from the rear of the driver, eliminating the resulting distortion and providing purer, more natural sound. Music Integrity Engine KEF’s Music Integrity Engine (MIE), a proprietary suite of in-house coded DSP algorithms, is the mastermind behind our wireless HiFi speakers and subwoofers. Each unique Music Integrity Engine is precisely tuned to allow all components within the individual wireless HiFi speaker or subwoofer to work in perfect harmony, elevating the overall performance for remarkable integrity, detail, and accuracy of sound. Uni-Core KEF’s innovative, patent-pending Uni-Core technology redefines the physical space high-performance speakers and subwoofers required to deliver deep and accurate bass. Single Apparent Source Technology At the heart of Blade lies Single Apparent Source technology; a unique technology that aims to achieve the acoustic ideal of a point source, where low, mid and high frequencies radiate from one point. It is what makes the Blade incredibly coherent, with noticeably more precise imaging.

Brand: KEF


Speaker Maximum Output Power: 380 watts


Frequency Response: 384 KHz


Connectivity Technology: Auxiliary, Bluetooth, HDMI, Optical, Wi-Fi


Audio Output Mode: Surround


Audio Output Mode: Surround


Mounting Type: Tabletop Mount


Enclosure Material: Aluminum


Speaker Type: Bookshelf


Additional Features: Bass Boost, Hi Res Audio, Multi Room Audio, Stereo Pairing


Antenna Location: For Computers, For DVD Players, For Music Players, For Smartphones or Tablets, For Televisions


Subwoofer Diameter: 13 centimeters


Color: White


Is Waterproof: False


Warranty Type: Limited


Control Method: Remote


Speaker Size: 12 centimeters


Woofer Diameter: 130 centimeters


Tweeter Diameter: 1 inches


Water Resistance Level: Not Water Resistant


Bluetooth Range: 10 meters


Specific Uses For Product: Home theaters, Music systems, Gaming setups, Personal audio devices


Controller Type: App Control, Remote Control


Total Ethernet Ports: 1


Frequency Response: 384 KHz


Number of Audio Channels: 2


Connectivity Technology: Auxiliary, Bluetooth, HDMI, Optical, Wi-Fi


Wireless Technology: Airplay, Bluetooth, Wi-Fi


Subwoofer Connectivity Technology: Wired


Connectivity Protocol: Bluetooth


Audio Driver Type: Dynamic Driver


Brand: KEF


Model Number: LS50W2WH


Model Name: LS50W2


Built-In Media: Power Cable, Quick Start Guide, Remote, Safety Instructions


Warranty Description: 2 Year Manufacturer


Number of Items: 1


Series Number: 50


UPC: 637203046971


Global Trade Identification Number: 71


Manufacturer: KEF


Age Range Description: Adult


Speaker Maximum Output Power: 380 watts


Input Voltage: 120 volts


Number of Power Levels: 1


Item Dimensions D x W x H: 12.2"D x 7.9"W x 12"H


Item Weight: 44.3 pounds


Compatible Devices: Television


Power Source: Corded Electric


Battery Capacity: 336 milliamp_hours


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Oct 24

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • The best combination of high quality sound, functionality, and compactness that I've encountered
Color: Black Pattern: Speakers
As someone who appreciates high quality sound and wants that with the convenience of multi-room functionality that Wi-Fi streaming provides, this speaker system is an absolute revolution. It says a lot about the situation that I spent way less time setting up the new system than I did taking down the old one. I estimate that I replaced more than 170 lbs of equipment with around 40 lbs that this pair of speakers (including built-in amps and etc) weighs. So much less clutter! Setup was effortless and effective, the sound is better (and it was previously quite good, until recently, when my old power amp died) and the functionality is spectacularly better. This system offers an extremely simple and direct route to decent to very good sound (better at the price than I could achieve with lots of careful effort over many years) and all the functionality that I, personally, currently want. I used an inexpensive old subwoofer with the old setup. I continue to use it with these new speakers. I think I would be happy without the subwoofer, but like the tiny bit of additional rich low-bass and kick that it provides. That points to something that astonishes me about this system. The KEF Connect app equalizer made it very easy to account for the situation of the speakers in the room and to incorporate the subwoofer. I'm a software developer, and think they did an extremely good job with the human factors of the app. I don't need or want the app to provide the functionality that my streaming music players provide – as another reviewer said, let Google and App and Tidal, Roon, etc do that. I'm very pleased with how well the app does what I need it to do. Similarly, the remote control gives me a convenient way to adjust the volume, mute, and on rare occasions when the I need to override the automatic source detection, change the source. I haven't yet said anything specific about the sound, and I'm still finding out how it is. So far, I'm delighted. I'm finding more clarity, richness, and dynamics than I've experienced before in my home. I continue to go through different parts of my collection, as the mood strikes, and discover myself enjoying aspects of the music that I hadn't noticed before. People often talk about the almost palpable imaging that Kef's coincident-centers Uni-Q drivers provide. It's true, and it enhances the experience. The thing is, I haven't found any downsides. As I said, they're still new, there's more to discover. But I'm happy. (-: I've only had the speakers for a few weeks, and am wary of an "all eggs in one basket" dependency on them. I will be dependent on KEF and/or after-market repair services if something breaks. That said, this is KEF's second iteration of the model, which could mean that a lot of the bugs have been shaken out. Plus I was in a bind with the old system when my power amp died, and that's the case for any component in the multi-component chain. It's all trade-offs. Ultimately, I got a high quality, exquisitely well-integrated system. Provided that they're reliable, for anyone who streams music in their home, these are the best prospects that I've encountered for getting high fidelity and high functionality at anywhere near this price, more so than anything else I've seen up to now. ... show more
Reviewed in the United States on May 22, 2021 by K. L. Manheimer
    • Worth every penny
Color: White Pattern: Speakers
These are fantastic speakers. The clarity ,detail, and imaging exceeded my expectations. They have a warmer tone to them that I was not sure I liked at first. I tend to prefer sound on the slightly brighter side of neutral but after they broke in I was very happy with what I heard. The KEF Connect app is decent, better than some and worse than others. You can control inputs through the app on your phone, connect directly through Airplay for YouTube videos, and PC using Tidal. The Wi-Fi connection glitched on me when I had connected and played through Tidal on my PC, than switched back to the app again using Tidal on my phone. At that point, selected songs would not play and I had to disconnect the power and let them reset. Save some early app glitches that software can fix, the rest of the app and its features are easy to use and intuitive which is welcome. They communicate wirelessly between themselves and come with a cable that when connected, improves the quality ceiling and could eliminate drop-outs if encountered. I would recommend these to anyone wanting great sounding speakers in an all-in-one space saving package. ... show more
Reviewed in the United States on May 20, 2022 by royCfus
    • Speakers
Color: Titanium Grey Pattern: Speakers
First pair of mid level Hi fi speakers. Blew me away. Like being front row at a live concert. Bluetooth crystal clear.
Reviewed in the United States on August 17, 2026 by Robert
    • Outstanding sound, but frustrating connectivity... updated one star... secondary speaker is now dead
Color: Black Pattern: Speakers
I’m genuinely torn about these speakers. On the one hand, they sound fantastic — the audio quality is exactly what you’d expect at this price point. The soundstage is wide, detailed, and engaging, and when everything works, listening to music is a real pleasure. Bought them during black friday, so they were incredible great value for money. Unfortunately, the connectivity experience seriously undermines that excellent sound. Network setup is frustrating, and the speakers frequently disconnect from Wi-Fi. Reconnecting often takes multiple attempts, and switching between sources or apps is far less seamless than it should be for a premium product. These issues interrupt listening sessions and ultimately take away from what should be a smooth, high-end experience. So, while on paper, have outstanding functionality and connectivity features, the implementation is deficient. In short, the sound quality is outstanding, but the unreliable connectivity makes it hard to fully enjoy these speakers. If KEF can improve the software and network stability, they would be close to perfect — but as they are now, the connectivity problems significantly impact day-to-day use, and i end up not using them as i expect to use. ... show more
Reviewed in the United States on December 13, 2025 by Rodrigo S. Loureiro
    • True Hi-Fi without the hassles
Color: Black Pattern: Speakers
A long time ago I was entranced by Kef 104ab speakers. Even then, Kef made speakers that were a superior price/performance value compared to their competitors. After I bought them, I learned the 104's were murderously hard to drive. It took at lot of effort, time, experimentation, and money to figure it all out, but it was worth it. It was what had to be done back in the day to get a really optimized system for demanding speakers. The LS50 Wireless II's outperform the 104ab's in all respects.. and that's impressive. But THEY have all the amplification issues completely resolved right out of the box due to carefully optimized amplifiers, DAC's and crossover management. The Kef application make it so simple to optimize their EQ for your listening space, which is not a thing with passive speakers! Set up is simple. You don't have to go through the personal growth experience to get them optimized or find amplifiers that are ideally matched for them! This is a great system for listeners who want to just use and enjoy their music and not want to futz with their equipment for it to work well. I know how to do it the old fashioned way, but it's a luxury to get this level of performance and system integration with so little effort! ... show more
Reviewed in the United States on November 30, 2024 by Eva N.
    • Great sound, not ideal as computer speakers
Color: Titanium Grey Pattern: Speakers
I bought these to double as hifi speakers and computer speakers for my home office Windows PC. They do sound great, and work really well with high-res streaming services like Tidal. But not so good as computer speakers. You are limited to a 3.5mm analog cable or an optical cable. The analog cable is not great since it forces the signal through 3 signal conversions (computer DAC, speaker ADC and speaker DAC). And the optical connection is limited to 24-bit/96kbps, even though the speakers support 24/192. The older generation of these speakers supported a USB connection, which would resolve these limitations. But for some reason the wireless ii version removed that option. Also there’s a setting for the speakers to automatically turn on when they sense a signal from the optical connection (which is how I ultimately connected them to my PC). But they don’t turn on. I have to do it manually with the remote or by pressing a button on the speaker. So 4 stars from me, than 5. ... show more
Reviewed in the United States on November 27, 2024 by AbeK
    • Definitely 5 stars - at $1999
Color: Black Pattern: Speakers
They're not perfect, I'll get into that more below. But they're AMAZING. I had the original LS50's for years, and loved them. Since almost all of my listening is from DAP or streaming, I decided to scale-down, sell my LS50's, amp and subwoofer, and move to the new wireless speakers. The sound is just amazing. Speakers this small shouldn't be able to have great sound AND imaging. Placement matters a little, I have mine 8' apart, and about 6 inches from the wall. And the room does matter, but that's true of all speakers. My listening room is about as bright as you can get, choosing the "bright room" EQ fixed that with no tweaking. For some reason, KEF didn't put a USB in jack on these. That's a miss, IMHO. You can work around it, but should you have to? Even the LSX's have USB. The software is good, but not great. Setup and interface are easy to learn, but overall, kind of messy. And the software pretty much assumes you're using one of the supported streaming services. I prefer to use the soft-buttons on the master speaker, when using a DAP. Overall, at least for me, at the sale price of $1999, these are just crazy-good. ... show more
Reviewed in the United States on October 11, 2023 by S. Kosloske
    • Amazing sound with Subwoofer (KC 62) - But annoying issues
Color: Titanium Grey Pattern: Speakers
I tried this unit as it fulfilled three criterions: Powered , Small Form factor, and pleasant aesthetics. I fell in love with how they looked and the build quality was top of the line. The sound when combined with the Kef KC 62 was amazing. Loved it. The issue I had was as follows: Within 2 weeks of testing, there were 3-4 incidences of loud crackle/pop sound followed by the speaker going into error mode ( power led flashing) . I had the speaker setup as wireless primary / secondary. My typical usage was airplay / kef app + amazon music. I do have another wireless sounder in the same room, perhaps it's an interference issue. But at 4500 dollars ( with Kef KC62 + stands ) , I wanted something that was flawless. I am talking to customer support and they are responsive enough for now, and seeing if replacing the LS50ii may solve the issue ( wondering if the unit is defective). .. If I find another unit, I will revise this review. Overall, wanted to keep it , loved many things about it, but not sure why it has this type of issues at this price point. ... show more
Reviewed in the United States on April 29, 2024 by Orijit Dhar

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