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Kef LSX White Active Wireless Bookshelf Speakers with Bluetooth,Airplay 2

Kef LSX White Active Wireless Bookshelf Speakers with Bluetooth,Airplay 2

SKU: 100300501


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Key Features

2 years parts & labour

Key Features
    • 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)


The new KEF LSX Wireless Speakers miniaturise the technology developed in the LS50 Wireless, creating a compact system, for a convenient and untethered modern music speaker system. Utilising KEF's signature Uni-Q driver array and available in five stylish designs

The KEF LSX has been designed to incorporate all aspects of modern home entertainment – stream your music seamlessly, connect to your TV for a more impressive movie experience, or go all out with multi-room playback, all in outstanding high resolution stereo sound. Play any music you like, wherever you like, from this compact, wireless speaker system.

The LSXs take their cues from their larger siblings, the LS50s, using KEF’s Uni-Q driver array, to improve stereo imaging by placing the tweeter in the centre of the midrange cone. This allows the LSXs to perform with clarity, creating a more detailed and lifelike experience whilst also increasing the listening area. With a contoured baffle, designed and optimised using Finite Element Analysis, the sound dispersion of the LSXs is vastly improved, letting the sound waves travel outwards. This results in a purer sound, with less cabinet colouration, meaning you can hear the best possible sound wherever you are in the room.

For better bass extension without distortion, and a rich, full bodied sound from these small speakers, the LSXs use KEF’s Music Integrity Engine, a bespoke digital signal processor to help get the best out of these compact speakers.

The LSX Wireless speakers have Spotify Connect and Tidal built-in, so you have instant access to all your favourite songs. With the LSXs, you can stream from the cloud or directly from a wireless network at 24-bit/ 48 kHz resolution, or simply connect via a Bluetooth wireless connection. From early 2019, you can stream directly from your iOS device with Apple AirPlay 2, built-in to the LSXs. Wirelessly stream all your music with just the press of a button, and hear what you want through your whole home system, all controlled seamlessly with your iPhone or iPad.

Use the KEF Control app to connect the LSXs to your home Wi-Fi network, and keep up to date with firmware updates.

Without the need for cables comes musical freedom. The LSX wireless speakers don’t require any extra components, so you can position the speakers wherever you like, without worrying about a separate amplifier. Get stunning high quality sound without the clutter.

The KEF LSX Wireless are available in 5 different finishes, Maroon, Blue, Olive and Black, with an industrial fabric cladding, and an all gloss White. The LSXs have been designed by renowned product designer Michael Young, using considered details such as the tweeter and mid-bass cone accent colours.

  • KEF LSX Wireless Speaker with Class D amplification and Uni-Q driver array
  • Uni-Q driver with the tweeter placed in the centre of the mid-bass driver improves stereo imaging
  • Musical Integrity Engine DSP produces a rich and full bodied sound
  • In-built Spotify Connect and Tidal music streaming services, as well as Apple Airplay 2
  • Bluetooth wireless connection for streaming via smartphone or tablet

Information From Manufacturer


Dimension (H x W x D)

  • 240 x 155 x 180 mm (9.5 x 6.1 x 7.1in.)


  • 3.6kg (7.9lbs)
  • 3.5kg (7.7lbs))


& 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


  • 2.4GHz/5GHz Dual-band Wi-Fi network
  • Bluetooth 4.2 with aptX® codec
  • TOSLINK Optical
  • 3.5mm Auxiliary Input
  • RJ45 Ethernet (For network)


  • 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)



  • Supports up to 192kHz/24bit


  • Wireless mode: 48kHz/24bit
  • Cable mode: 96kHz/24bit

Master and Slave speaker

  • Wireless: Propriety 2.4GHz
  • Wired: RJ45 Ethernet
  • Depending on connection settings

maximum outpuT(SPL)

  • 102dB

Power Input

  • 100 – 240VAC 50/60Hz

WIreless connectivity


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