Kef LS50 WIRELESS II

LS50 Wireless II is more than a high-performance loudspeaker; it’s the perfect all-in-one speaker system, streaming from any source thanks to wireless compatibility with AirPlay 2, Chromecast and more, plus wired connections for your TV, games console and turntable. Great sound, no strings attached.

All your devices
Out-of-the-box wireless compatibility with AirPlay 2, Google Chromecast and more, backed up with wired connections such as HDMI for your TV, turntable, CD player and games console. Whatever source you’ve got, LS50 Wireless II is ready for it.
HiFi enthusiast
LS50 Wireless II has audiophiles covered with support for streaming music files up to 24bit/384kHz, as well as MQA, DSD, and Roon Ready. These features mean that even the experienced hifi enthusiast will marvel at this exceptional loudspeaker’s ability.

Model
LS50 Wireless II
Drive Units
Uni-Q Driver Array:
LF: 130 mm (5.25 in.) aluminium cone
HF: 25 mm (1 in.) vented aluminium dome with Metamaterial Absorption Technology
Frequency Range (-6dB) Measured at 85dB/1m
40 Hz – 47 kHz
*Depends on EQ settings
Frequency Response (±3dB) Measured at 85dB/1m
45 Hz – 28 kHz
*Depends on EQ settings
Amplifier Output Power (Per Speaker)
LF: 280W
HF: 100W
Amplifier Class
LF: Class D
HF: Class AB
Max SPL Measured at 1m
108 dB
Wireless Streaming Features
AirPlay 2
Google Chromecast
ROON Ready
UPnP Compatible
Bluetooth 4.2
Source Resolution
Network up to 384kHz/24bit Optical up to 96kHz/24bit
Coaxial up to 192kHz/24bit
HDMI up to 192kHz/24bit
*Depends on source resolution
Interspeaker Connection
Wireless: all sources resampled to 96kHz/24bit PCM
Wired: all sources resampled to 192kHz/24bit PCM
Supported Format (All Inputs)
MP3, M4A, AAC, FLAC, WAV, AIFF, ALAC, WMA, LPCM and Ogg Vorbis
Supported Format (Network)
MQA
DSF: DSD64, DSD128
DFF: DSD64
Dimensions (HWD per Speaker)
305 x 200 x 311 mm (12 x 7.9 x 12.2 in.)
Power Input
100 – 240VAC 50/60Hz
Power Consumption
200W (operating power)
<2.0W (standby power)
Streaming Services
Spotify via Spotify Connect
Tidal via Tidal Connect
Amazon Music
Qobuz
Deezer
QQ Music via QPlay (coming soon)
Internet Radio
Podcast
*Depends on services availability in different countries
Primary Speaker Inputs
HDMI eARC
TOSLINK Optical
Digital Coaxial
Analog 3.5mm Auxiliary
USB Type A (service)
RJ45 Ethernet (network)
RJ45 Ethernet (interspeaker)
Output
RCA Subwoofer output
Wi-Fi Network Frequency Band
Dual-band 2.4 GHz / 5 GHz
Secondary Speaker Inputs
USB Type A (service)
RJ45 Ethernet (interspeaker)