Wireless HiFi Speakers

LSX

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  • Regular price €999 / pair
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Give your music the space it deserves.

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.

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EISA WIRELESS STEREO SPEAKER 2019-2020 KEF LSX

"...With Apple AirPlay 2 and Bluetooth built-in, plus access to Spotify and tidal, all controlled from aneat app on your smartphone, this could be all the hi-fi system many users will need". — 2019

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Best Buy Awards - What Hi-Fi? 2019

"The LSX is a scaled-down, carefully crafted copycat of its sibling, and for that is just as triumphant." — 2019

Play anything. Hear everything.

From streaming to gaming, from TV to multi-room music, LSX is designed for all your home entertainment needs. Play what you like, how you like, where you like – and experience it all in glorious high-resolution stereo.
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Stereo. Feel the performance.

With two speakers positioned apart from each other, you’ll experience music as a 3D soundstage, with the pin-point imaging and sense of presence that one-box systems miss. It’s the difference between just hearing music, and really feeling it.
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Apple AirPlay 2

LSX comes with Apple AirPlay 2 which, from a simple screen tap or request to Siri, unlocks the world of multi-room audio. You can wirelessly stream all your favourite music apps to your whole home with seamless control from your iPhone, iPad, and Mac.

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All the music on earth.

With Spotify Connect and Tidal built in, all the music you love is at your fingertips. Stream from the cloud, or directly from a NAS drive or a computer through DLNA fully wirelessly at 48kHz/24bit resolution (or 96kHz/24bit using optional wired connection). Or simply use Bluetooth.
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Easy listening.

With LSX, nothing gets between you and the music. Connecting to Wi-Fi takes moments with the KEF Control app and keeps abreast of the latest firmware, so your speakers are future-proofed and always up to date.

SOUND

LSX utilises KEF’s advanced acoustic design technology, features that are usually reserved for much larger hi-fi speakers. Get ready for goosebump-inducing levels of sonic realism and accuracy.

Uni-Q. The sweet spot just got a lot wider.

LSX comes with KEF’s breakthrough Uni-Q driver array. By placing the tweeter at the centre of the midrange and bass cone, it radically improves stereo imaging. This not only makes music sound clear, detailed and lifelike, it does so across a wider listening area.
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Contoured baffle. Hear the music, not the speaker.

Optimised using Finite Element Analysis, LSX’s contoured baffle improves sound dispersion, ensuring that sound waves travel outwards and are not reflected around the cabinet surface. The result? A purer sound, with less cabinet colouration.
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DSP. Small speakers, big sound.

LSX uses KEF’s Music Integrity Engine™ – bespoke Digital Signal Processing that helps the speakers deliver transparent bass with great extension, while reducing distortion. So you can fill your room with rich, full-bodied sound.

Design

Compact, elegant and incredibly versatile, LSX looks great and fits comfortably into any setting. And with our intuitive apps, you’ll be up and running in next to no time.

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.
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Design by Michael Young.

Overseen by renowned product designer Michael Young, LSX’s design achieves a fine balance of form and function. Carefully considered details include port accent colours and a colour changing LED to subtly indicate which source is selected.
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Colours and fabrics.

Whatever your style, there’s an LSX to match. The system comes with a choice of five colours, and is clad in an industrial fabric by Danish contemporary textile designer, Kvadrat. These fine details make the LSX pleasing to the touch, as well as appealing to the eye.

What's in the box

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The Details


FEATURES

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Audio
  • Two-way 2.0 audiophile active digital speaker with 4" Uni-Q driver.
  • Acoustically optimised cabinet with constrained layer damping.
  • KEF's unique Music Integrity Engine™ time and phase correcting DSP algorithm
  • Four amplifier active system (2 x 30W + 2 x 70W Class D)
  • Customisable EQ settings (via KEF Control app)
CONNECTIVITY
  • Apple AirPlay 2 (Early 2019)
  • Spotify Connect (November 2018)
  • TIDAL
  • Bluetooth® 4.2 with Qualcomm aptX™
  • Digital input (TOSLINK)
  • 3.5mm auxiliary input
  • DLNA Compliant
  • Roon tested
  • Subwoofer output
  • Dedicated apps for iOS and Android

SPECIFICATIONS

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Dimension (H x W x D)
240 x 155 x 180 mm (9.5 x 6.1 x 7.1in.)
Weight
3.6kg (7.9lbs)
3.5kg (7.7lbs))
Wi-Fi Network Standard & Frequency Band
Dual-band 2.4GHz/5GHz
IEEE 802.11a/b/g/n
Driver Units
Uni-Q driver array:
HF: 19mm (0.75in.) aluminium dome
LF/MF: 115mm (4.5in.) magnesium/aluminium alloy cone
Inputs
2.4GHz/5GHz Dual-band Wi-Fi network
Bluetooth 4.2 with aptX® codec
TOSLINK Optical
3.5mm Auxiliary Input
RJ45 Ethernet (For network)
Output
Subwoofer Output
5V2A DC Output
Amplifier Output Power
LF: 70W     HF: 30W
Bluetooth Range & Memory
10m
8 devices
Bluetooth Frequency
2.402GHz - 2.48GHz
Bluetooth Power
2.5mW (Bluetooth Class 2 Device)
Resolution
Input:
Supports up to 192kHz/24bit

Output:
Wireless mode: 48kHz/24bit
Cable mode: 96kHz/24bit
Primary and Secondary Speaker* Connection
Wireless: Propriety 2.4GHz
Wired: RJ45 Ethernet
Depending on connection settings
Maximum Output (SPL)
102dB
Power Input
100 – 240VAC 50/60Hz
Wireless Connectivity
TIDAL
Frequency Range
Frequency Range (-6dB)
Measured at 85dB/1m
49Hz - 47kHz (More bass extension)
52Hz - 47kHz (Standard)
55Hz - 47kHz (Less bass extension)
Depending on speaker settings
Frequency Response
Frequency Response (±3dB)
Measured at 85dB/1m
54Hz - 28kHz (More bass extension)
59Hz - 28kHz (Standard)
69Hz - 28kHz (Less bass extension)
Depending on speaker settings
Third Party Support
Mounting inserts for supporting wall mount
Supports 3rd party remote programme
Supports IP Control

AWARDS & REVIEWS

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EISA WIRELESS STEREO SPEAKER 2019-2020 KEF LSX

...With Apple AirPlay 2 and Bluetooth built-in, plus access to Spotify and tidal, all controlled from aneat app on your smartphone, this could be all the hi-fi system many users will need.. — 2019

Full review
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BEST BUY AWARDS - WHAT HI-FI? 2019

‘The LSX is a scaled-down, carefully crafted copycat of its sibling, and for that is just as triumphant.’ — 2019

Full review
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TOP-PRODUKT 11/2018 - HI-FI JOURNAL.DE

"After the LS50 Wireless we expected a lot in terms of sound and were not disappointed. KEF was able to repeat the WOW effect! The small active LSX have incredible sound presence, which is completely contrary to their physical appearance." — 2018

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LITE-MAGAZIN.DE

The brand new LSX is an optically successful and modern styled HiFi package. You really don't need more than these active loudspeakers to hear really good music. — 2018

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5 STAR REVIEW – WHAT HI-FI? SOUND AND VISION

"Take heed, rival systems, these miniature marvels are going to take some beating.” — 2018

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DIAPASON D'OR

"Outstanding… The stereo image is perfect" — 2018

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HI-FI NEWS

"Seriously, these are very fine little active wireless speakers, with no shortage of ability partnered with simply masses of convenience. They’ll provide a background to your life with minimal fuss, then ramp up the involvement when required." — October 2019

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AREADVD.DE

“Bottom line, KEF once again achieves a first-class test result. The new compact LSX wireless active loudspeakers shine with high-quality workmanship, noble optics, extensive application possibilities and outstanding sound.” — 2018

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STUFF.TV

"It’s about as impressive an all-round system as we’ve heard for the money." - 2018

KNOCKOUT PUNCH AWARD - DARKO.AUDIO

"Rarely has a DAR-KO Award been so easy to give" — 2018

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GEARPATROL.COM

"It’s the most versatile, compact speaker system that I’ve come across. You can connect it to your TV or turntable, or stream straight from the Spotify (and soon-to-be Apple Music) app. It’s also so, so easy to use.” — 2018

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Please visit our Product Support page for more details.

Customer Reviews

Based on 4 reviews
75%
(3)
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25%
(1)
J
J.J.
Nice alternative

KEF LSX are a nice alternative. Imaging is very good. Installation is quite easy.

R
R.P.
Speakers are great. Kef apps are terrible

I have still not been able to connect using the preferred method “Wifi”. I am able to use the AUX function and the speakers sound great in my office in near field listening position. Why two app the do not work instead of one that does. KEF support take days to respond. They seem overloaded and not sure of a fix. Ebery support person i spoke to offers different advice. KEF are a great company with many years of excellent forward thinking quality products. The app seems to be a rare misstep. I am keeping the speakers as i live how they sound and i am sure its only a matter of time before we all get an app that works as advertised. You will see only 1 star reviews for App on the Apple store. I hope they scrape the two Apps and make one great one.

F
F.C.
Excellent speakers

I am very happy with the purchase, beautiful speakers, crystal clear sound, amazing bass considering the size of the units.

N
N.D.
Very satisfied

I'm 100% satisfied with the product:
- Sound: it was possible for me to compare in the same room the LSX with my previous JVC mini Hifi system, and with a pair of borrowed Sonos One. Real improvement in both cases
- Easy to handle : very effective and easy using spotify (s. connect) + youtube (bluetooth). Remote is quality to me (i've read the opposite)

Main area of improvements: no deezer, no later upgrade to multi-room (roon is not free), a bit expensive if bought at 1200 € (the sound difference with sonos one may not justify the big price difference for many)

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