The Ultimate Wireless HiFi Speakers
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, Google Cast and more, plus wired connections for your TV, games console and turntable. Great sound, no strings attached.
Freedom
All the music, all the time
Play all major music services and supports all major audio formats
Wireless both from source and between the speakers
Comprehensive applications and connectivity
User-Centred
Let you be you
Intuitive on-boarding with user-centred features
Personalised listening experience via KEF Connect App
Performance
Most accurate, immersive sound.
Metamaterial Absorption Technology for pure, natural sound
12th generation Uni-Q with MAT for exceptional acoustic accuracy
Music Integrity Engine for rich, full-bodied sound
System power: LF 280W class D, HF 100W class A/B, Max. SPL: 108dB
KEF LS50 Wireless II Bookshelf Speakers
Model
LS50 Wireless II
Dimensions (HWD per Speaker)
305 x 200 x 311 mm (12 x 7.9 x 12.2 in.)
Weight (per set)
20.1kg (44.3lbs)
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
Amplifier Class
LF: Class D
HF: Class AB
Max SPL Measured at 1m
108 dB
Frequency Response (±3dB) Measured at 85dB/1m
45 Hz – 28 kHz
*Depends on EQ settings
Frequency Range (-6dB) Measured at 85dB/1m
40 Hz – 47 kHz
*Depends on EQ settings
Home Automation System
Elan, RTi, Crestron Home, Savant, Control4, URC
Primary Speaker Inputs
HDMI eARC
TOSLINK Optical
Digital Coaxial
Analog 3.5mm Auxiliary
USB Type A (service)
RJ45 Ethernet (network)
RJ45 Ethernet (interspeaker)
Secondary Speaker Inputs
USB Type A (service)
RJ45 Ethernet (interspeaker)
Output
RCA Subwoofer output
Interspeaker Connection
Wireless: all sources resampled to 96kHz/24bit PCM
Wired: all sources resampled to 192kHz/24bit PCM
Wireless Streaming Features
AirPlay 2
Google Cast
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 (coming soon)
Internet Radio
Podcast
*Depends on services availability in different countries
Supported Format (All Inputs)
MP3, M4A, AAC, FLAC, WAV, AIFF, ALAC, WMA, LPCM and Ogg Vorbis
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
Supported Format (Network)
MQA
DSF: DSD64, DSD128
DFF: DSD64
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
Amplifier Output Power (Per Speaker)
LF: 280W
HF: 100W
Power Input
100 – 240VAC 50/60Hz
