KEF LSX II Wireless Powered Hi-Fi Bookshelf Speakers




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The Definitive Compact Wireless HiFi

The new KEF LSX II. 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.



Much more than a simple upgrade from the award-winning original, LSX II combines class-leading sound with the all-encompassing W2 wireless platform from LS50 Wireless II. Connectivity options are further enhanced by the addition of both HDMI and USB-C, making this an ideal companion for both TV and desktop computer systems.

Key Features of the KEF LSX II

  • Wireless streaming including Airplay 2, Chromecast, Bluetooth, Wi-Fi
  • Plays all major music services and supports all major audio formats
  • DSD, MQA and PCM up to 24bit/384kHz
  • Comprehensive connectivity for your TV, laptop and any other equipment: USB-C, HDMI ARC, Analogue input, subwoofer output.
  • 11th Generation Uni-Q driver array for accurate, pristine sound
  • Music Integrity Engine for rich, full-bodied sound
  • System Power: LF 70W Class D, HF 30W Class D, Max. SPL: 102dB
  • Intuitive on-boarding with user-centred features
  • Personalised listening experience via KEF Connect App
  • Design by Michael Young
  • Optimised cabinet design for best acoustic performance
  • Mounting inserts to secure on accessories including P1 desk pad, S1 floor stand and B1 wall bracket.
  • Available in 5 finishes: Carbon Black, Mineral White, Cobalt Blue, Lava Red and Soundwave by Terence Conran Edition.


Thanks to the knowledge and experience of KEF’s talented engineers, LSX II features some of the brand’s pioneering technology to create high-fidelity audio. LSX II uses a specially designed version of KEF’s 11th generation Uni-Q® driver array to disperse sound around the room evenly. Optimised for the Uni-Q® driver, the advanced Music Integrity Engine delivers a perfectly timed performance for better clarity and a tighter, more accurate sound.

The two-speaker box approach also allows music to develop and breathe in a space, generating a three-dimensional soundstage. The speakers appear to disappear, leaving you to become fully immersed and drawn into the experience.

The latest KEF Connect app provides instant control over the speakers from the palm of your hand. Once the speakers have been unboxed, the app offers an intuitive on-boarding process to ensure a simple set-up. Easy connection for streaming, control and settings gives you the ability to personalise your audio and adjust the LSX II to best suit your home.

LSX II is available in a choice of five finishes: Mineral White and Lava Red models finished with satin and gloss spray, while Carbon Black and Cobalt Blue are clad in a specially designed fabric from Danish contemporary textile designer, Kvadrat. The Soundwave by Terence Conran Edition sees the ‘soundwave’ pattern woven into the same unique fabric for a true statement of the meeting of acoustics and design.

 Drive Units Uni-Q Driver Array: HF: 19mm (0.75in.) aluminium dome MF/ LF: 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
Input Resolution Support up to 192kHz/24bit
Primary and Secondary speaker connection: Wireless: Propriety connection 2.4GHz (transmit 48kHz/24bit) Wired: RJ45 Ethernet (transmit 96kHz/24bit) Depending on connection settings
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
Wi-Fi Network standard IEEE 802.11a/b/g/n
Wi-Fi Network Frequency band Dual-band 2.4GHz/ 5 GHz
Bluetooth range 10m
Bluetooth memory 8 devices
Weight Primary Speaker 3.6kg (7.9lbs) Secondary Speaker 3.5kg (7.7lbs) (7.9lbs)

Additional information

Weight 8 kg
Dimensions 34 × 40 × 45 cm

Carbon Black, Cobalt Blue, Lava Red, Mineral White, Soundwave, Olive Green