KEF LS50 Wireless II Powered Bookshelf Loudspeakers

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Regular price $2,499.99
Regular price $2,799.99 Sale price $2,499.99
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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. 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.

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

Wireless streaming features AirPlay 2

Google Chromecast

ROON Ready (Coming Soon)

UPnP Compatible

Bluetooth 4.2

Streaming services Spotify via Spotify Connect


Amazon Music



QQ Music via QPlay

Internet Radio


Source resolution Network up to 384kHz/24bit Optical up to 96kHz/24bit

Coaxial up to 192kHz/24bit

HDMI up to 192kHz/24bit

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, 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 input 100 – 240VAC 50/60Hz

Power consumption 200W (operating power)

<2.0W (standby power)

Primary speaker Inputs HDMI eARC


Digital Coaxial

Analog 3.5mm Auxiliary

USB Type A (service)

RJ45 Ethernet (network)

RJ45 Ethernet (interspeaker)

Output RCA Subwoofer output

Wi-Fi network standard Dual-band 2.4 GHz / 5 GHz

Secondary speaker Inputs USB Type A (service)

RJ45 Ethernet (interspeaker)