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KEF LSX II Wireless Hi-Fi Speakers


SKU: LSXII Categories: , , , , , ,


The Definitive Compact Wireless HiFi

Welcome to a world of High-Fidelity sound that is true enough to touch. 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.

High-Fidelity sound

KEF is obsessed with bringing a superior listening experience whatever the size of the speaker. With built-in support of streaming up to 24bit/384kHz and dedicated amplifiers inside each speaker, LSX II offers the highest quality sound in its size and makes high-fidelity sound accessible to a wider range of listeners.

Stereo. Feel the performance.

With two speakers positioned apart from each other, the LSX II creates a three-dimensional soundstage of true stereo sound, bringing your favourite tunes to life for a listening experience that a one-box speaker cannot come close to.

Small speakers, big sound

LSX II is upgraded from the first generation to deliver a more balanced sound in higher resolution. It is precisely tuned with enhancement on the bespoke Digital Signal Processing algorithms in the Music Integrity Engine (MIE™). Optimised for the Uni-Q driver array, the MIE ensures a perfectly timed performance with clear, accurate and more balanced sound.

Sit anywhere, hear every detail

Uni-Q® technology is the building block of KEF signature sound. Designed to perform at its best in LSX II, the Uni-Q driver array acts as a single point source to enlarge the ‘sweet spot’ and disperses sound more evenly, allowing everyone sitting at different spots in the room to experience the same natural, detailed sound.

The building block of KEF signature sound

KEF’s many pioneering innovations are all geared towards delivering breath-takingly natural sound; sound that lets you enjoy music as it was meant to be heard. Of all these pioneering developments, it is the Uni-Q® driver array that sits at the heart of almost all our speakers.

Sit anywhere, hear every detail

Uni-Q technology places the tweeter precisely at the acoustic centre of the bass/midrange cone, so both act together as a single point source to disperse sound more evenly throughout the room. The result is the elimination of the limited ‘sweet spot’, therefore allowing everybody sitting at different spots in the room to experience and enjoy the same natural, detailed sound.

Cleaner, less distorted sound

In conventional loudspeakers, mid and high frequencies radiating from different locations interfere with each other. Uni-Q places the tweeter at the centre of the bass/midrange cone, dispersing these different frequencies from a single point source, so interference issues are avoided, and the sound is less distorted.

Perfectly timed sound

With Uni-Q’s single point source design all frequencies reach your ear at the same time. The sound is therefore more accurate and realistic than with conventional loudspeakers, where the output from each separate driver arrives at slightly different times, causing the sound to be smeared and less natural sounding.

Always innovating

Today’s 12th generation Uni-Q driver array is the result of over three decades of continuous innovation by the KEF engineering team. The initial concept that all the sound coming from the same place delivers improved sound is as true now as it was then, and the ensemble is a masterpiece of modern acoustic engineering.

Effortless multiroom

When partnered with other wireless speakers, you can use AirPlay 2, Chromecast or Roon* to fill the entire house with the same playlist.

Plug and play

LSX II supports HDMI ARC and USB-C inputs, making it the perfect companion for TV, laptop and more.

Compact and versatile

LSX II delivers high-fidelity sound while it is compact enough to fit into any setting. You can place the speakers on a bookshelf, desktop or even attach them to the wall with dedicated accessories.

What is in the box

A set of LSX II
Power cords
Interspeaker cable
Remote control
Quick Start Guide, warranty and safety information

New Zealand KEF Official Product. Come with KEF Manufactures Warranty.


Drive units (per speaker)

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
*Depends on EQ settings

Frequency response (±3dB) measured at 85dB/1m

54Hz – 28kHz
*Depends on EQ settings

Amplifier output power (per speaker)

LF: 70W
HF: 30W

Amplifier class (per speaker)

LF: Class D
HF: Class D

Max SPL measured at 1m
102 dB
Wireless streaming features

AirPlay 2
Google Chromecast 
Roon Ready*
UPnP Compatible 
Bluetooth 4.2

Streaming services

Spotify via Spotify Connect
Tidal via Tidal Connect
Amazon Music
QQ Music via QPlay
Internet Radio
*Depends on services availability in different countries

Supported format (network)


Dimensions (HWD per speaker)

240 × 155 × 180 mm (9.5 × 6.1 × 7.1 in.)

Weight (per set)

7.2kg (15.6lbs)

Power input

100 – 240VAC 50/60Hz

Power consumption

200W (operating power)
<2.0W (standby power)


Primary speaker
USB Type C
Analog 3.5mm Auxiliary RJ45 Ethernet (network) RJ45 Ethernet (interspeaker)Secondary speaker
RJ45 Ethernet (interspeaker)


RCA Subwoofer output

Wi-Fi network standard

IEEE 802.11a/b/g/n/ac
IPv4, IPv6

Wi-Fi network frequency band

Dual-band 2.4 GHz / 5 GHz

Additional information


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