KEF

The Definitive Compact Wireless HiFi Speaker

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.

SPECIFICATIONS
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

Source resolution

Network up to 384kHz/24bit
Optical up to 96kHz/24bit
USB Type C up to 192kHz/24bit
HDMI up to 1.411Mbps PCM

*Depends on source resolution 

Interspeaker connection

Wireless:  all sources
resampled to 48kHz/24bit PCM

Wired:  all sources
resampled to 96kHz/24bit PCM

Supported format (network)

MQA^, DSD, FLAC, WAV, AIFF, ALAC, AAC, WMA, MP3, M4A, LPCM and Ogg Vorbis

Home Automation System

Elan, RTi, Crestron Home, Savant, Control4

Wireless streaming features

AirPlay 2, Google Chromecast, Roon Ready, UPnP, Compatible Bluetooth 5.0, Plays with Audirvāna.

Streaming services

Spotify via Spotify Connect 
Tidal via Tidal Connect Amazon Music Qobuz Deezer
QQ Music via QPlay Internet RadioPodcast

*Depends on services availability in different countries.

IN THE BOX

A set of LSX II

Power cords

Interspeaker cable

Remote control

Quick Start Guide, warranty and safety information

DIMENSIONS
HWD per speaker

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

Weight (per set)

7.2kg (15.6lbs)

EISA WIRELESS BOOKSHELF LOUDSPEAKER 2023- 2024

“Available in several eye-catching colourways, the LSX II can replace a complete rack of hi-fi separates – and sound just as good!” – Aug 2023​ ​

FULL REVIEW

Performance

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 part 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's 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 PERFECT PARTNER...FOR EVERYTHING

Sound plays a big role in your home entertainment experience and LSX II elevates the total experience with high-fidelity sound. Fully loaded with wired and wireless connections, LSX II is perfect for music, gaming, TV, movies, and even your personal working space.

Plug and play to TV, laptop, and more

With LSX II, you can connect your TV with HDMI ARC, your laptop with USB-C, and even a turntable, CD player or games console. If you demand your movies and music come with extra bass, there’s a dedicated output to connect a KEF subwoofer.

Same music, same enjoyment for every room

LSX II is more than a high-fidelity speaker system - it is designed to enhance your everyday life. Seamlessly integrate LSX II into your smart home to browse and play music, select sources, or use controls such as play, pause, and adjust the volume via your smart home app or control interface.

User-centred

INSTANT CONTROL IN YOUR PALM

The KEF Connect app walks you through simple setup and gives you complete control of what you play on the LSX II. It is intuitive to use with any source in your home, and it allows simple over-the-air firmware updates that bring you new and improved features with the minimum of fuss.

PERSONALISED LISTENING EXPERIENCE

Simple, subtle yet powerful EQ settings allow you to fine-tune LSX II to best suit your room or your personal taste. The only thing you might need is a tape measure.

View The 'How-To' Video

Design

DESIGNED TO FIT INTO DIFFERENT SPACES

LSX II delivers high-fidelity sound while it is compact enough to fit comfortably into any setting. It is also incredibly flexible with its dedicated accessories including S1 floor stands, P1 desk pads and B1 wall brackets, so you can place the speakers on a bookshelf or desktop, pair with the floor stand or even attach to the wall.

DRIVER UNIT

11th Gen 4.5” Uni-Q

11th Gen 4.5” Uni-Q

BUILT-IN AMPLIFIER POWER (PER SYSTEM)

200W

200W

OPTIMAL ROOM SIZE

5-40 m2

5-40 m2