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KEF LSX II Wireless HiFi Speaker System (Cobalt Blue)

4.4 4.4 out of 5 stars 97 ratings

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Cobalt Blue
Speaker System
SPEAKERS

Purchase options and add-ons

Brand KEF
Model Name LSX II Wireless
Speaker Type Bookshelf
Connectivity Technology Wi-Fi
Special Feature network ready

About this item

  • LSX II offers the highest quality sound in its size with streaming up to 24bit/384kHz, making high-fidelity sound accessible to more listeners.
  • LSX II supports HDMI ARC and USB-C inputs, making it the perfect companion for TV, laptop and more.
  • When partnered with other wireless speakers, you can use AirPlay 2, Chromecast or Roon to fill the entire house with the same playlist.
  • LSX II delivers high-fidelity sound while it is compact enough to fit into any setting. You can place the speakers on a bookshelf, desktop or even attach them to the wall with dedicated accessories.
  • Built in streaming services include: Spotify, Tidal, Amazon Music, Qobuz, Deezer, QQ Music, and more.
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KEF LSX II Wireless HiFi Speaker System (Cobalt Blue)
KEF LSX II Wireless HiFi Speaker System (Cobalt Blue)
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Get it as soon as Sunday, Mar 24
Get it as soon as Sunday, Mar 24
Get it as soon as Sunday, Mar 24
Get it as soon as Sunday, Mar 24
Get it as soon as Sunday, Mar 24
Get it as soon as Sunday, Mar 24
Customer Ratings
Sound quality
4.6
4.6
4.6
4.7
4.6
4.3
Easy to use
4.3
4.3
4.3
4.2
4.3
Value for money
4.0
4.0
4.0
4.1
4.0
Portability
4.2
4.2
4.2
4.2
Sold By
Amazon.com
Amazon.com
Amazon.com
Amazon.com
Amazon.com
Amazon.com
speaker size
4.5 inches
4.5 inches
4.5 inches
4.5 inches
power source
Corded Electric
Corded Electric
Corded Electric
Corded Electric
Corded Electric
Corded Electric
connectivity tech
Wi-Fi
Wi-Fi
Wi-Fi
Wired; Wireless
Wi-Fi
Wi-Fi, Bluetooth
speaker type
Bookshelf
Bookshelf
Bookshelf
Bookshelf
Bookshelf
Bookshelf
mounting type
Table Top
Table Top
Table Top
Tabletop Mount
Table Top
Table Top
weight
10.2 kilograms
44.31 pounds
3 pounds
control method
application
application
application
application
application

From the manufacturer

KEF LSX II USB-C , HMDI, Connect to any computer, any TV, anything.

The convenience and connectivity of wireless. The emotion and detail of true high-resolution stereo. And all from a compact system designed to fit almost anywhere. LSX is the speaker system for the way we listen today.

KEF LSX II Available in five stunning colors.

Colours and fabrics.

Every aspect of LSX II is carefully considered subtle design accents such as colour-matched finishes on the Uni-Q driver and ports. Available in five finishes: satin Mineral White and high-gloss Lava Red, Carbon Black, Cobalt Blue and the Soundwave covered in Kvadrat fabric.

multi room streaming

Same music, same enjoyment for every room

When partnered with other sets of LS Wireless speaker systems including LSX II, LS50 Wireless II and LS60 Wireless, use AirPlay 2, Chromecast or Roon to fill your entire house with music. It’s perfect for parties where everyone in different rooms can enjoy the same playlist.

so many features

Features:

  • LF: 70W/HF: 30W Per Speaker
  • Resolution up to 192kHz/24bit
  • Airplay 2 & Google Chromecast
  • Spotify & TIDAL Connect
  • HMDI & USB-C
  • Bluetooth 4.2
  • Optical Input and Analog Inputs
  • Subwoofer Output

The KEF Connect app walks you through simple setup and gives you complete control of what you play on the LSX II. 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.

The Definitive Compact Wireless HiFi

Welcome to a world of High-Fidelity sound that is true enough to touch. This all-in-one speaker system in its second generation: upgraded to deliver a more balanced sound in higher resolution with all-inclusive connectivity. Simply stream anything including AirPlay 2, Chromecast, Spotify and Tidal, or seamlessly connect the LSX II to your laptop, TV and many other devices.

With LSX II, you can connect your TV with HDMI ARC, your laptop with USB-C, and even a turntable, CD player or games console. If you demand your movies and music come with extra bass, there’s a dedicated output to connect a KEF subwoofer.

every use is covered

kef app

KEF’s Music Integrity Engine – bespoke DSP LSX delivers transparent bass while reducing distortion.

no cables

Perfect partner for… everything

Sound plays a big role in your home entertainment and LSX II elevates the total experience with high-fidelity sound. Fully loaded with wired and wireless connections, LSX II is perfect for music, gaming, TV, movies and even your personal working space.

User-centred

The KEF Connect app walks you through simple setup and gives you complete control of what you play on the LSX II. 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.

Musical Integrity Engine

LSX II is upgraded from the first generation to deliver a more balanced sound in higher resolution. It is precisely tuned with enhancement on the bespoke Digital Signal Processing algorithms in the Music Integrity Engine (MIE). Optimised for the Uni-Q driver array, the MIE ensures a perfectly timed performance with clear, accurate and more balanced sound.

No Cables. No Compromise.

With no need for a cable to connect the two speakers, and no separate amps or other equipment to worry about, you can position them wherever you like. Wave goodbye to visual clutter, without sacrificing sound quality.

What's in the box

  • 1 Pair LSX II Speakers
  • 1 Set of power cords
  • 1 Interspeaker cable
  • Remote Control
  • Quick Start Guide
  • Product information

    Warranty & Support

    Product Warranty: For warranty information about this product, please click here

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    KEF LSX II Wireless HiFi Speaker System (Cobalt Blue)


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    Product Description

    Welcome to a world of High-Fidelity sound that is true enough to touch. This all-in-one speaker system in its second generation: upgraded to deliver a more balanced sound in higher resolution with all-inclusive connectivity. Simply stream anything including AirPlay 2, Chromecast, Spotify and Tidal, or seamlessly connect the LSX II to your laptop, TV and many other devices.

    Customer reviews

    4.4 out of 5 stars
    4.4 out of 5
    97 global ratings

    Customers say

    Customers like the clarity, sound quality, compactness, appearance and connectivity of the speakers. They mention that the highs are crisp, the mids are very present and warm, and the bass is tight. They are happy with the connectivity options, saying that they are a compact audiophile system with separate amplifiers for each speaker. They also appreciate the simplistic design. Opinions are mixed on value, ease of use, and quality.

    AI-generated from the text of customer reviews

    40 customers mention32 positive8 negative

    Customers like the sound quality of the speakers. They mention that the sound is impressive, with vocals delivered wholesomely. They also appreciate the speakers' warmth and the piano accompaniment to vocal music.

    "...are crisp, the mids are very present and warm, like piano accompaniment to vocal music, and the bass is tight and clear, never muddied like in..." Read more

    "...LSX IIs support wireless-pairing of the two speakers and still maintain hi-res audio. And I can use wired-pairing to boost the SQ even further...." Read more

    "...Although the bass is not robust it is balanced and for a speaker of such small size punchy...." Read more

    "...i've been struggling with whether to keep these speakers - they sound good, but just do so much stuff that i will never use, primarily the wireless..." Read more

    9 customers mention9 positive0 negative

    Customers are satisfied with the clarity of the speakers. They mention that the sonic clarity is stunning, the connectivity options are laid out perfectly clear, and the highs are crisp and warm, like a piano. The sound quality, crispness, and imaging of these little speakers provide really great imaging.

    "...The highs are crisp, the mids are very present and warm, like piano accompaniment to vocal music, and the bass is tight and clear, never muddied..." Read more

    "...These speakers made me understand why they call good sound quality "high fidelity". They define "fidelity" for me. I love love love these...." Read more

    "The LSX ii powered speakers are very crisp and precise but have minimal bass...." Read more

    "...and tonality when listening to rock/soul/R&B/disco, and provide really great imaging/sepparation/stage...." Read more

    7 customers mention7 positive0 negative

    Customers like the compactness of the speakers. They say that it's a super compact size compared with most high-end speakers out there, and it'd be the right size for their desk. They also say that the audiophile system is compact and best for small spaces.

    "...You're getting a compact audiophile system with separate amplifiers for the tweeters & woofers, a built-in pre-amplifier with lots of different..." Read more

    "...It sounds good considering these are quite small. I really like how easy it is to use. I am using it via USB, Optical and Wireless input...." Read more

    "...The sound is amazing and they're just the right size for my desk. Can't wait to turn them every day. Better than any headsets !!!!" Read more

    "...decided to give these a try - more than impressed, these speakers are compact but their sound is amazing and exceeded my expectations...." Read more

    6 customers mention6 positive0 negative

    Customers like the appearance of the speakers. They say that the speakers look pretty good and have a simplistic design.

    "...They also look really good in person, better than the pictures.None of this would matter if they didn't sound great. They do...." Read more

    "...The LSX II's grabbed my attention with its simplistic design. Clean lines with traditional speaker look yet somehow looks so luxurious...." Read more

    "...I got the black ones and overall they look pretty good but there have been a few times where I wish I was a bit bolder and went with the blue." Read more

    "...Needs subwoofer if you are into bass* Build quality and looks are nice* Good mids and highs.Also good for DN." Read more

    6 customers mention6 positive0 negative

    Customers are satisfied with the connectivity of the speakers. They mention that the WiFi interconnect works well, and everything works flawlessly. The speakers have input options and a network streamer that can stream TIDAL and other.

    "...-in pre-amplifier with lots of different input options, and a network streamer than can stream TIDAL and other services or any music you might have..." Read more

    "...WiFi interconnect works well but I recommend using the provided cable to connect the right to the left LSX...." Read more

    "...The USB connection with the T0+s is vastly superior and works exactly as one would want...." Read more

    "...So sound, given the price is a solid tick. However the connectivity is also fabulous with these speakers, personally i use the USB-C to connect them..." Read more

    14 customers mention8 positive6 negative

    Customers are mixed about the ease of use of the speakers. Some mention that it's relatively easy to set up, while others say that it is not quite intuitive, the software is a little tricky, and the learning curve is a bit steeper. The included apps are clunky and still a pain to navigate.

    "...And they are so easy to set up and use. I was streaming lossless music from my iphone in minutes...." Read more

    "...these compared to other speaker systems I've used is the learning curve is a little steeper with these...." Read more

    "...I have to say, once I got these, it was extremely easy to set up...." Read more

    "...I really like how easy it is to use. I am using it via USB, Optical and Wireless input. You can also add a subwoofer with ease...." Read more

    10 customers mention6 positive4 negative

    Customers are mixed about the quality of the speakers. Some mention that they have a laidback quality, while others say that they sound okay but not amazing. Some say that the quality control is poor and the software fails to provide the most basic functions.

    "...Despite having somewhat of an enjoyable and laidback quality they can be quite revealing, so if you have a lot of low bitrate music in your library,..." Read more

    "...Out of the box, they will sound okay but not amazing. As you play them, they break in and the sound quality gets better...." Read more

    "...and interconnects than these speakers cost... But my gosh are they incredible. The sonic clarity is stunning at any price...." Read more

    "...In one simple phrase - these speakers are not great at all. After breaking in, I swapped the KEF for the Sonos Beam from one of the guest rooms...." Read more

    9 customers mention5 positive4 negative

    Customers have mixed opinions about the value of the speakers. Some mention that they are good value overall, while others say that they're a bit pricey.

    "...so I switched the 5s for the KEF LSX IIs and I would say they're worth the price.KEF app is better than the Klipsch app...." Read more

    "...I did pair them with a subwoofer and couldn't be happier. Yes, they're a bit pricey, but the sound is absolutely stellar...." Read more

    "...Definitely worth the price!Would also recommend purchasing subwoofer for incredible bass.Would highly recommend!" Read more

    "...It is a truly wonderful listening experience. Yes they are expensive, but the sound quality is nothing short of amazing!..." Read more

    Awesome connectivity, good looking, even better sounding.
    5 Stars
    Awesome connectivity, good looking, even better sounding.
    Never imagine I'd spend $350 for a pair of sticks to hold up $1000 pair of speakers but here I am.To be fair I have heard of KEF before, but the brand never appealed to me. The brand does not cross my mind when shopping for audiophile products. And I was never in the market for book-shelf style speakers. My old Logitech/Creative 7.2, 2.0 systems, or my parent's Yamaha or Onkyo systems, never ever impressed me.The LSX II's grabbed my attention with its simplistic design. Clean lines with traditional speaker look yet somehow looks so luxurious. There are some wonky looking expensive speakers out there that try to stand out by prentending to be a UFO. But these KEF are so symmetrical, so even, straight edges with rounded corners, the driver unit square in the center. Just timeless. Classy.The blue one especially grabbed my attention, and motivated me to research further. How much money am I paying for brand and design, how much am I paying for just fluff? There are tons of options out there. Are these KEFs worth it?I remember my research was super simple and straight forward. The simplistic yet luxurious design carries over to the back. The availability of wired and wireless connectivity options are laid out perfectly clear. At the time I was dissatisfied with the SONY RA5000 ($700 single bluetooth speaker)'s horrible implementation of wifi and bluetooth. The KEFs have all the wired and wireless inputs I could want. USB C, Airplay 2, 3.5mm, and HDMI eArc. So I know they'd be perfect by my computers, or TV, or just playing out of the phone.Furthermore the LSX IIs support wireless-pairing of the two speakers and still maintain hi-res audio. And I can use wired-pairing to boost the SQ even further. How flexible and amazing are those.So after watching maybe 10-15 review videos, I pulled the trigger.Normally these big purchases I'd have buyer's remorse - I'd think, I could've gotten the Edifiers for $100 or Audioengines for $200, and save so much money, and still get pretty amazing sound!!!But happy to report, no buyer's remorse at all. I'm just happy with these. They bring me joy just by sitting there, not making a sound. And they sound wonderful. These are the type of speakers that make you dig up all your old favorite songs, songs you no longer remember you used to love, that these speakers will make you recall, and you will stay up all night sampling all of those songs, feeling like you are hearing them for the first time.And they are so easy to set up and use. I was streaming lossless music from my iphone in minutes. Also hooked up to my gaming set up and played 150 hours of Mass Effect Legendary Edition with those. And they sound epic. Watched a few favorite moves, and they were perfect.These speakers made me understand why they call good sound quality "high fidelity". They define "fidelity" for me. I love love love these.Despite that there are a couple minor things - all of which I'm perfectly happy to overlook and not care about.1) The new LSX II LT uses USB-C to connect the two speakers, adding power delivery. So now you'd only need 1 power source. This helps a ton with cable management, if you have your desk not against a wall. I wish this the LSX II have that feature. In contrast, the LSX II's need a power source for each Left and Right speaker, but you get the option to go wireless-pair, which could also lead to less cable clutter. But to me, the wired-pairing sounds pretty significantly better. So I'd prefer the new LSX II LT, if not for them looking cheaper and just lesser than the LSX II's.2) When using the S1 stand, which elevates the look even further, the power cable feel a bit short due to the built-in cable management system taking away some length. So I had to use extension cables.3) Despite their power and fidelity, they sound a bit less when powering a full room. They are best when being desk companions. However the uniq drivers do deliver sort of omni-directional awesome sound, but just a bit less than when you are sitting directly in front in the sweet spot. I believe adding a sub to the set up would solve the issue though, and so far I'm perfectly happy without a subwoofer.I really love these. I think I'll buy another pair when they are on sale to put in bedroom.
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    Top reviews from the United States

    Reviewed in the United States on January 23, 2024
    Color: Olive GreenStyle: Speaker SystemPattern: SPEAKERSVerified Purchase
    3 people found this helpful
    Report
    Reviewed in the United States on February 13, 2024
    Color: Cobalt BlueStyle: Speaker SystemPattern: SPEAKERSVerified Purchase
    Customer image
    5.0 out of 5 stars Awesome connectivity, good looking, even better sounding.
    Reviewed in the United States on February 13, 2024
    Never imagine I'd spend $350 for a pair of sticks to hold up $1000 pair of speakers but here I am.

    To be fair I have heard of KEF before, but the brand never appealed to me. The brand does not cross my mind when shopping for audiophile products. And I was never in the market for book-shelf style speakers. My old Logitech/Creative 7.2, 2.0 systems, or my parent's Yamaha or Onkyo systems, never ever impressed me.

    The LSX II's grabbed my attention with its simplistic design. Clean lines with traditional speaker look yet somehow looks so luxurious. There are some wonky looking expensive speakers out there that try to stand out by prentending to be a UFO. But these KEF are so symmetrical, so even, straight edges with rounded corners, the driver unit square in the center. Just timeless. Classy.

    The blue one especially grabbed my attention, and motivated me to research further. How much money am I paying for brand and design, how much am I paying for just fluff? There are tons of options out there. Are these KEFs worth it?

    I remember my research was super simple and straight forward. The simplistic yet luxurious design carries over to the back. The availability of wired and wireless connectivity options are laid out perfectly clear. At the time I was dissatisfied with the SONY RA5000 ($700 single bluetooth speaker)'s horrible implementation of wifi and bluetooth. The KEFs have all the wired and wireless inputs I could want. USB C, Airplay 2, 3.5mm, and HDMI eArc. So I know they'd be perfect by my computers, or TV, or just playing out of the phone.

    Furthermore the LSX IIs support wireless-pairing of the two speakers and still maintain hi-res audio. And I can use wired-pairing to boost the SQ even further. How flexible and amazing are those.

    So after watching maybe 10-15 review videos, I pulled the trigger.

    Normally these big purchases I'd have buyer's remorse - I'd think, I could've gotten the Edifiers for $100 or Audioengines for $200, and save so much money, and still get pretty amazing sound!!!

    But happy to report, no buyer's remorse at all. I'm just happy with these. They bring me joy just by sitting there, not making a sound. And they sound wonderful. These are the type of speakers that make you dig up all your old favorite songs, songs you no longer remember you used to love, that these speakers will make you recall, and you will stay up all night sampling all of those songs, feeling like you are hearing them for the first time.

    And they are so easy to set up and use. I was streaming lossless music from my iphone in minutes. Also hooked up to my gaming set up and played 150 hours of Mass Effect Legendary Edition with those. And they sound epic. Watched a few favorite moves, and they were perfect.

    These speakers made me understand why they call good sound quality "high fidelity". They define "fidelity" for me. I love love love these.

    Despite that there are a couple minor things - all of which I'm perfectly happy to overlook and not care about.

    1) The new LSX II LT uses USB-C to connect the two speakers, adding power delivery. So now you'd only need 1 power source. This helps a ton with cable management, if you have your desk not against a wall. I wish this the LSX II have that feature. In contrast, the LSX II's need a power source for each Left and Right speaker, but you get the option to go wireless-pair, which could also lead to less cable clutter. But to me, the wired-pairing sounds pretty significantly better. So I'd prefer the new LSX II LT, if not for them looking cheaper and just lesser than the LSX II's.

    2) When using the S1 stand, which elevates the look even further, the power cable feel a bit short due to the built-in cable management system taking away some length. So I had to use extension cables.

    3) Despite their power and fidelity, they sound a bit less when powering a full room. They are best when being desk companions. However the uniq drivers do deliver sort of omni-directional awesome sound, but just a bit less than when you are sitting directly in front in the sweet spot. I believe adding a sub to the set up would solve the issue though, and so far I'm perfectly happy without a subwoofer.

    I really love these. I think I'll buy another pair when they are on sale to put in bedroom.
    Images in this review
    Customer image Customer image Customer image Customer image
    Customer imageCustomer imageCustomer imageCustomer image
    3 people found this helpful
    Report
    Reviewed in the United States on February 29, 2024
    Color: Cobalt BlueStyle: Speaker SystemPattern: SPEAKERSVerified Purchase
    One person found this helpful
    Report

    Top reviews from other countries

    Translate all reviews to English
    Carlos Ortegón
    5.0 out of 5 stars Sonido espectacular para un espacio pequeño.
    Reviewed in Mexico on August 31, 2023
    Color: Carbon BlackStyle: Speaker SystemPattern: SPEAKERSVerified Purchase
    Customer image
    Carlos Ortegón
    5.0 out of 5 stars Sonido espectacular para un espacio pequeño.
    Reviewed in Mexico on August 31, 2023
    La calidad de los materiales es muy buena, así como el sonido. Está diseñado para espacios pequeños. Las tengo a lado de unas era 300, y para una fiesta preferiría las Sonos en par estéreo (mayor base), sin embargo, para escuchar claramente la música, las KEF son mucho mejores. Una lástima que no tengan Apple musica en su aplicación, aunque el airplay permite transmitir en HiRes. Sin duda las recomiendo y el vendedor muy rápido con adecuado embalaje.
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    Customer imageCustomer image