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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, Chromecast 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
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
User-Centred
Let you be you
Intuitive on-boarding with user-centred features
Personalised listening experience via KEF Connect App
Design
Attention to every detail
Optimised cabinet design for best acoustic performance
Available in 4 finishes
With mounting inserts to secure on KEF S2 Floor Stand (available as separate item)
Music Integrity Engine
All aspects of the LS50 Wireless II’s performance are aided by KEF’s bespoke Music Integrity Engine. This collection of bespoke Digital Signal Processing algorithms is optimised for the Uni-Q driver, enabling it to deliver a perfectly timed performance for better imaging and a tighter sound.
Plentiful Power
The built-in amplifiers have been developed in-house by KEF. Each tweeter is driven by a 100W class A/B amplifier that delivers a smooth, incredibly detailed treble performance. Dedicated 280W class D amplifiers power the mid/bass drivers, for room-filling, controlled sound up to 108db.
Specifications
-
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)
-
Uni-Q Driver Array:
LF: 130 mm (5.25 in.) aluminium cone
HF: 25 mm (1 in.) vented aluminium dome with Metamaterial Absorption Technology -
LF: Class D
HF: Class AB -
108 dB
-
45 Hz – 28 kHz
*Depends on EQ settings -
40 Hz – 47 kHz
*Depends on EQ settings -
Elan, RTi, Crestron Home, Savant, Control4, URC
-
HDMI eARC
TOSLINK Optical
Digital Coaxial
Analog 3.5mm Auxiliary
USB Type A (service)
RJ45 Ethernet (network)
RJ45 Ethernet (interspeaker) -
USB Type A (service)
RJ45 Ethernet (interspeaker) -
RCA Subwoofer output
-
Wireless: all sources resampled to 96kHz/24bit PCM
Wired: all sources resampled to 192kHz/24bit PCM -
AirPlay 2
Google Cast
ROON Ready
UPnP Compatible
Bluetooth 5.0
Plays with Audirvāna -
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 -
MP3, M4A, AAC, FLAC, WAV, AIFF, ALAC, WMA, LPCM and Ogg Vorbis
-
Network up to 384kHz/24bit
Optical up to 96kHz/24bit
Coaxial up to 192kHz/24bit
HDMI up to 192kHz/24bit
*Depends on source resolution -
MQA
DSF: DSD64, DSD128
DFF: DSD64 -
IEEE 802.11a/b/g/n/ac
IPv4, IPv6 -
Dual-band 2.4 GHz / 5 GHz
-
LF: 280W
HF: 100W -
100 – 240VAC 50/60Hz
-
200W (operating power)
<2.0W (standby power)
