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 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
Let you be you
Intuitive on-boarding with user-centred features
Personalised listening experience via KEF Connect App
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
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)
Technical Specification
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Model
LS50 Wireless II
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Source Resolution
Network up to 384kHz/24bit Optical up to 96kHz/24bit
Coaxial up to 192kHz/24bit
HDMI up to 192kHz/24bit
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Streaming Services
Spotify via Spotify Connect
Tidal via Tidal Connect
Amazon Music
Qobuz
Deezer
QQ Music via QPlay (coming soon)
Internet Radio
Podcast
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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
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Frequency Range (-6dB) Measured at 85dB/1m
40 Hz – 47 kHz
*Depends on EQ settings
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Interspeaker Connection
Wireless: all sources resampled to 96kHz/24bit PCM
Wired: all sources resampled to 192kHz/24bit PCM
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Frequency Response (±3dB) Measured at 85dB/1m
45 Hz – 28 kHz
*Depends on EQ settings
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Home Automation System
Elan, RTi, Crestron Home, Savant, Control4, URC
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Primary Speaker Inputs
HDMI eARC
TOSLINK Optical
Digital Coaxial
Analog 3.5mm Auxiliary
USB Type A (service)
RJ45 Ethernet (network)
RJ45 Ethernet (interspeaker)
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Amplifier Output Power (Per Speaker)
LF: 280W
HF: 100W
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Supported Format (All Inputs)
MP3, M4A, AAC, FLAC, WAV, AIFF, ALAC, WMA, LPCM and Ogg Vorbis
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Output
RCA Subwoofer output
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Amplifier Class
LF: Class D
HF: Class AB
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Supported Format (Network)
MQA
DSF: DSD64, DSD128
DFF: DSD64
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Wi-Fi Network Frequency Band
Dual-band 2.4 GHz / 5 GHz
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Max SPL Measured at 1m
108 dB
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Secondary Speaker Inputs
USB Type A (service)
RJ45 Ethernet (interspeaker)
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Wireless Streaming Features
AirPlay 2
Google Chromecast
ROON Ready
UPnP Compatible
Bluetooth 4.2
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Power Input
100 – 240VAC 50/60Hz
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Output
RCA Subwoofer output
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Power Consumption
200W (operating power)
<2.0W (standby power)
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Dimensions (HWD per Speaker)
305 x 200 x 311 mm (12 x 7.9 x 12.2 in.)
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