Specification Sheet

Specifications
Model LSX II
Drive units 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 96kHz/24bit
HDMI up to 48kHz/16bit
*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)
Primary speaker Secondary speaker
Inputs HDMI ARC
TOSLINK Optical
USB Type C
Analog 3.5mm Auxiliary
RJ45 Ethernet (network)
RJ45 Ethernet (interspeaker)
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 -
Visit: KEF.com for more about KEF and its products.
KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE.
06.2022 | LSX II
Carbon Black
Mineral White
Cobalt Blue Lava Red Soundwave
by Terence Conran Edition