KEF LSX II

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.

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High-Fidelity sound

LSX II offers the highest quality sound in its size with streaming up to 24bit/384kHz, making high-fidelity sound accessible to more listeners.

All the music

Listen to music the way you like with the minimum of fuss and in pristine sound quality.

Plug and play

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

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.

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.

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See how it looks in your home

Not sure which colour to choose? Try our Augmented Reality function to check out how incredible LSX II will look and see which colour suits best in your home.

*Actual product colour may vary from the AR version shown.
**This feature is not supported on Chrome for iOS devices.

Unboxing by yourself

What is in the box

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

The Details

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

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
Qobuz
Deezer
QQ Music via QPlay
Internet Radio
Podcast
*Depends on services availability in different countries

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

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)

Inputs

Primary speaker
HDMI ARC
TOSLINK Optical
USB Type C
Analog 3.5mm Auxiliary
RJ45 Ethernet (network)
RJ45 Ethernet (interspeaker)

Secondary speaker
RJ45 Ethernet (interspeaker)

Output

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