KEF LS50 Wireless II Bookshelf Speakers
LS50 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.
The powerful nature of the LS50 Wireless II comes from the combination of the exquisitely formed cabinet with advanced Digital Signal Processing – KEF’s Music Integrity Engine and impactful 380W of amplification – a new 100W class A/B amplifier powers the tweeters and a 280W class D amplifier powers the mid/bass drivers. The KEF Connect app means that you can tailor the sound to the environment in which you are listening to it. The left and right speakers are connected wirelessly; alternatively, users may connect the supplied interspeaker cable. All the while, the front-end streaming system is both new and intuitive.
With the KEF Connect app, you can stream Tidal, Amazon Music, Qobuz, Deezer, Internet Radio stations and podcasts. And you can stream directly from the native app with Spotify Connect. LS50 Wireless II also has audiophiles covered with support for streaming music files up to 24bit/384kHz, as well as MQA Decoding and DSD256 for truly high-resolution audio playback. LS50 Wireless II is also certified Roon Ready. AirPlay 2 and Google Chromecast seamlessly connects your compatible Apple or Android device, whilst Bluetooth expands the options even further. There are also wired connections for your TV, turntable, CD player and games console, via the HDMI, analogue, optical and coaxial sockets.
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Design Two-way bass reflex Drive units Uni-Q Driver Array: HF: 25 mm (1 in.) vented aluminium dome with Metamaterial Absorption Technology. MF/LF: 130 mm (5.25 in.) aluminium cone Frequency range (-6dB) 40 Hz – 47 kHz Frequency response (±3dB) 45 Hz – 28 kHz Amplifier output power LF: 280W HF: 100W Amplifier class LF: Class D HF: Class AB (per speaker) Max SPL 108dB Wireless streaming features AirPlay 2 Google Chromecast-Roon Ready-UPnP Compatible-Bluetooth 4.2 Streaming services* Spotify via Spotify Connect Tidal-Amazon Music Qobus-Deezer QQ Music via Qplay Internet Radio Podcast *Depends on services availability in different countriesSource resolution* Network up to 384kHz/24bit Optical up to 96kHz/24bit-Coaxial up to 192kHz/24bit HDMI up to 192kHz/24bit *Depends on source resolutionInterspeaker 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: MQA Core Decoder-DSF: DSD64, DSD128, DSD256-DFF: DSD64 Dimensions (HxWxD per speaker) 305 x 200 x 311mm Weight (per set) 20.1kg (44.31lbs) Power input 100 – 240VAC 50/60Hz Power consumption 200W (operating power)-<2.0W (standby power) Inputs HDMI eARC-TOSLINK Optical Digital Coaxial Analogue 3.5mm Auxiliary RJ45 Ethernet (network) RJ45 (interspeaker) x2 USB Type A (service) Output RCA Subwoofer output x2 Wi-Fi network standard IEEE 802.11a/b/g/n/ac-IPv4, IPv6 Wi-Fi network frequency band Dual-band 2.4 GHz / 5 GHz Dimensions (HxWxD per speaker) 305 x 200 x 311mm Weight (per set) 20.1kg (44.31lbs) |
"KEF’s revisions have paid off: these sequels are among the most thrilling speaker systems we’ve heard."
- Read the What Hi-Fi review here.