kef LS5O wireless II

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kef LS5O 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. KEF’s 12 generation Uni-Q with Metamaterial Absorption Technology (MAT ™) delivers reduced coloration, less distortion, and a sound that is more transparent and life-like than previously possible.

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ModelLS50 Wireless II
Drive UnitsUni-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/1m40 Hz – 47 kHz *Depends on EQ settings
Frequency response (±3dB) measured at 85dB/1m45 Hz – 28 kHz *Depends on EQ settings
Amplifier output power (per speaker)LF: 280W HF: 100W
Wireless streaming featuresAirPlay 2
Google Chromecast
ROON Ready
UPnP Compatible
Bluetooth 4.2
Streaming servicesSpotify via Spotify Connect
Amazon Music
QQ Music via QPlay
Internet Radio
Source resolutionNetwork up to 384kHz/24bit Optical up to 96kHz/24bit
Coaxial up to 192kHz/24bit
HDMI up to 192kHz/24bit
Interspeaker connectionWireless: 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, DSD256
Dimensions (HWD per speaker)305 x 200 x 311 mm (12 x 7.9 x 12.2 in.)
Weight (per set)20.1kg (44.31lbs)
Power input100 – 240VAC 50/60Hz
Power consumption200W (operating power)
<2.0W (standby power)
Primary speaker InputsHDMI eARC
Digital Coaxial
Analog 3.5mm Auxiliary
USB Type A (service)
RJ45 Ethernet (network)
RJ45 Ethernet (interspeaker)
OutputRCA Subwoofer output
Wi-Fi network standardDual-band 2.4 GHz / 5 GHz
Secondary speaker InputsUSB Type A (service)
RJ45 Ethernet (interspeaker)


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