KEF LSX II Wireless Active HiFi Speaker - Cobalt Blue

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.

What is in the box :
A set of LSX II
Power cords
Interspeaker cable
Remote control
Quick Start Guide, warranty and safety information

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 5.0
Plays with Audirvāna


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


Home Automation System :
Elan, RTi, Crestron Home, Savant, Control4


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)


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