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KEF LSX Wireless Music Speakers in Blue
What HiFi Awards 2020 WINNER - Best All-in-One System under £1000
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Specification
KEF LSX Wireless Music Speakers in Blue

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.
 
Key Features:
Apple AirPlay 2, Spotify Connect, TIDAL
Bluetooth®? 4.2 with Qualcomm aptX™?
Full Stereo Wireless Music System

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.

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.

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.

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.

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.
 
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.
 
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.
 
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.
 
Features:
 
AUDIO
Two-way 2.0 audiophile active digital speaker with 4.5" 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
 
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
 
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
 
DOWNLOADS
Product Information Sheet
LS Series Brochure
Quick Start Guide
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