STEREO+ MENER: "KEF LSX er rett og slett blitt et fantastisk produkt hvor design og ytelse går sammen i en høyere enhet."

» Mer om produktet

Rediscover stereo. Rediscover music.

LSX is the sound system for how we listen to music now: a true two-box wireless music system engineered to deliver high resolution audio with
breath-taking clarity from elegantly compact speakers.

LSX uses advanced wireless technology to retain the decades old audio principle that two speakers are better than one. LSX gives music space to
breathe in glorious, full-bodied, wide bandwidth stereo.

Half a century of innovation

Since 1961, KEF has been a key driver of innovation in the audio world. Its unerring desire for improvement continues to lead to cutting-edge
developments such as the Uni-Q® driver array. This relentless drive for development saw the 2011 launch of the incredibly successful LS50
loudspeaker, which was complemented by the exceptional LS50 Wireless. LSX expands upon this legacy, showing that even compact loudspeakers
can deliver detailed, realistic sound.

Going truly wireless

LSX is completely wireless, both from the source and between the loudspeakers thanks to KEF’s proprietary wireless technology.
For Apple® customers, LSX features (from January 19) AirPlay® 2 which allow it to seamlessly and wirelessly operate with Mac®, iPhone®, iPad® and
Apple TV® products. AirPlay 2 also enables the use of multiple LSX in different rooms and integrates with Siri®.
Wireless connections provide access to all the music on earth, with integrated access to Spotify® Connect and Tidal® using 2.4GHz/5GHz dual band
wi-fi connectivity. For any other mobile music source, LSX also features Bluetooth™ 4.2 with the high quality aptX™ codec from Qualcomm®.

Perfect for TV

LSX contains the optical TOSLINK connector found on most flat-screen TV’s.
Combined with its two-box form factor, LSX is an ideal TV solution and will
render TV sound with all of the atmosphere and clarity required to make a truly
transformative experience.

The technology behind LSX

LSX is the beneficiary of over five decades of KEF’s acoustic know-how. This includes
unique technologies such as the Uni-Q driver array, which has been continually refined and
improved for three decades. Here it works in harmony with KEF’s highly advanced Music
Integrity Engine™, a cutting-edge collection of bespoke Digital Signal Processing algorithms
that help these compact loudspeakers deliver transparent bass with great extension, as
well as providing phase correction and distortion reduction. The result: perfectly accurate
sound across a wider ‘sweet spot’.

Power and flexibility

LSX sports four Class-D amplifiers, one for each of the drive units, alongside dedicated
DACs, providing high-end digital signal path of up to 96kHz/24bit, using the optional wired
connection between the two speakers, or 48kHz/24bit in completely wireless operation. It
also offers AUX and TOSLINK Optical connections.

Simplicity itself

LSX is reassuringly simple to set up, and incredibly intuitive to operate. Connecting to
Wi-Fi takes mere moments via the intuitive KEF Control app. The app also allows LSX to
receive over-the-air firmware and features updates. KEF’s optional Stream app enables use
of Tidal and DLNA streaming.

Look and feel

LSX has been beautifully designed by KEF and the renowned industrial designer Michael Young. It is available in a choice of five unique colours, all of
which use KEF’s tone on tone concept where elements such as the tweeter are colour matched to the finish. And LSX doesn’t just look great, it feels
wonderful too, thanks to the use of luxury fabric from the innovative Danish textile manufacturer Kvadrat.

The result is a cutting-edge, high-performance Wireless Music System that sounds, looks and feels like nothing else. With LSX, listeners can
experience natural and full-bodied KEF sound with all the space and depth that makes listening to music so transformative.

» Tekniske data


• Acoustic design with 4" Uni-Q driver; FEA designed cabinet
with hidden heatsink
• KEF's dedicated time correcting Music Integrity Engine
• 2 x 30W + 2 x 70W Class D amplifiers
• Adjustable EQ settings via KEF control app
• Dedicated apps for iOS and Android
• Proprietary wireless connections supports 48kHz/24bit;
optional wired connection supports 96kHz/24bit transmission
• Supports source file up to 192kHz/24bit
• 2.4GHz/5GHz Dual-band Wi-Fi connectivity
(DLNA/uPNP compliant)
• Apple AirPlay 2
• Spotify Connect
• Tidal Music (via KEF Stream app)
• Bluetooth 4.2 with Qualcomm aptX codec
• Optical input (TOSLINK)
• AUX input
• Subwoofer output
• Mounting inserts for supporting wall mount
• Supports 3rd party remote programme
• Supports IP Control


Drive units Uni-Q driver array:
HF: 19mm (0.75in.) aluminium dome
LF/MF: 115mm (4.5in.) magnesium/aluminium alloy cone
Frequency range (-6dB)
Measured at 85dB/1m
49Hz - 47kHz
Depending on speaker settings
Frequency response (±3dB)
Measured at 85dB/1m
54Hz - 28kHz
Depending on speaker settings
Power input 100 – 240VAC 50/60Hz
Amplifier output power LF: 70W HF: 30W
Max SPL 102dB
Dimension (HWD) 240 x 155 x 180mm
(9.5 x 6.1 x 7.1in.)
Input resolution Support up to 192kHz/24bit
Depending on source resolution
Master and Slave speaker
Wireless: Propriety connection 2.4GHz (transmit 48kHz/24bit)
Wired: RJ45 Ethernet (transmit 96kHz/24bit)
Depending on connection settings
Master Speaker Slave Speaker
Inputs 2.4GHz/5GHz Dual-band Wi-Fi network
Bluetooth 4.2 with aptX codec
3.5mm Auxiliary Input
RJ45 Ethernet (For network)
Not Applicable
Output Subwoofer output
5V2A DC Output
Not Applicable
Wi-Fi Network standard IEEE 802.11a/b/g/n Not Applicable
Wi-Fi Network Frequency band Dual-band 2.4GHz/ 5 GHz Not Applicable
Bluetooth range 10m Not Applicable
Bluetooth memory 8 devices Not Applicable
Weight 3.6kg (7.9lbs) 3.5kg (7.7lbs

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