STEREONET PRODUCT OF THE YEAR AWARDS 2022
- STANDMOUNT SPEAKER (ACTIVE)

“KEF has carved out a strong niche for itself in the past few years with its wireless active designs. It’s easy to see why, as they tick so many boxes and offer easily accessible, high-performance speakers in neat, versatile packaging. LSX II epitomises this, with excellent wireless connectivity, a versatile range of functions, crisp, modern styling and class-leading sound. As with its predecessor, LSX II is the one its rivals want to beat.” - StereoNET, December 2022

FULL REVIEW

What is in the box

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

Listen and believe

Experience the power of LSX II with a demo. You can hear for yourself how this incredibly compact wireless HiFi system delivers high-fidelity sound that will bring your favourite music to life.

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

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) 
<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