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The Ultimate Wireless HiFiLS50 Wireless II is more than a high-performance loudspeaker; it’s the perfect all-in-one speaker system. It reveals every detail of your favourite music, which you stream from any source thanks to wireless compatibility with AirPlay 2, Chromecast and more.

FreedomAll the music, all the timeNo matter how you stream your music, LS50 Wireless II has you covered. You can stream directly from the Spotify native app with Spotify Connect. With the KEF Connect app you can also stream Tidal, Amazon Music, Qobuz, and Deezer or tune in to internet radio and podcasts.

All your deviceOut-of-the-box wireless compatibility with AirPlay 2, Google Chromecast and more, backed up with wired connections for your TV, turntable, CD player and games console. Whatever source you’ve got, LS50 Wireless II is ready for it.

HiFi enthusiastLS50 Wireless II has audiophiles covered with support for streaming music files up to 24bit/384kHz, as well as MQA, DSD256, and Roon Ready (coming soon). These features mean that even the experienced hifi enthusiast will marvel at this exceptional loudspeaker’s ability.

User-CentredLet you be youEven beyond the flawless musical performance, LS50 Wireless II is a breeze to set up thanks to the KEF Connect app. It is intuitive to use with any source in your home, and it allows simple over-the-air firmware updates that bring you new and improved features with the minimum of fuss.Wired or wireless connectivityYou can choose to operate LS50 Wireless II completely wirelessly at 24bit/96kHz resolution for a completely clutter-free set up, or you can connect the two speakers with the supplied cable for 24bit/192kHz resolution sound.

Personalised listening experienceThe brand-new dedicated KEF Connect app controls LS50 Wireless II on a day-to-day basis, including intuitive sound settings so you can tune the sound to your own personal tastes. You can even select your favourite source to wake up LS50 Wireless II whenever it comes on, allowing you immediate access to the best sound.

PerformanceMost accurate, immersive soundLS50 Wireless II melts away, leaving you to enjoy the music. Revolutionary Metamaterial Absorption Technology eliminates distortion for a purer, more natural sound, while our 12th generation Uni-Q with MAT driver array delivers three-dimensional, wonderfully revealing sound anywhere in the room.

Music Integrity EngineAll aspects of the LS50 Wireless II’s performance is 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 powerThe 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.

DesignAttention to every detailEvery aspect of LS50 Wireless II has been considered for acoustic benefits and from a design perspective. The low-diffraction, curved baffle is precision modelled around the Uni-Q driver, while eye-catching heat sinks and colour-matched ports are located on the well-equipped rear. The top-mounted control panel is designed to be stylish and functional.

TECHNICAL SPECIFICATIONS MODELLS50 Wireless II

DRIVE UNITSUni-Q Driver Array:LF: 130 mm (5.25 in.) aluminium coneHF: 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 AMPLIFIER CLASS (PER SPEAKER)Amplifier class (per speaker)

MAX SPL MEASURED AT 1M: 108 dB

WIRELESS STREAMING FEATURESAirPlay 2Google ChromecastROON ReadyUPnP CompatibleBluetooth 4.2

STREAMING SERVICESSpotify via Spotify ConnectTidalAmazon MusicQobuzDeezerQQ Music via QPlayInternet RadioPodcast*Depends on services availability in different countries

SOURCE RESOLUTIONNetwork up to 384kHz/24bit Optical up to 96kHz/24bitCoaxial up to 192kHz/24bitHDMI up to 192kHz/24bit*Depends on source resolution

INTERSPEAKER CONNECTIONWireless: all sources resampled to 96kHz/24bit PCMWired: 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)MQADSF: DSD64, DSD128, DSD256DFF: DSD64

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 SPEAKERINPUT: HDMI eARC, TOSLINK Optical, Digital Coaxial, Analog 3.5mm Auxiliary, USB Type A (service), RJ45 Ethernet (network), RJ45 Ethernet (interspeaker)OUTPUT: RCA Subwoofer output

SECONDARY SPEAKERINPUT: USB Type A (service), RJ45 Ethernet (interspeaker)OUTPUT: RCA Subwoofer output

WI-FI NETWORK STANDARDIEEE 802.11a/b/g/n/ac IPv4, IPv6

WI-FI NETWORK FREQUENCY BANDDual-band 2.4 GHz / 5 GHz