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    KEF LS50 Wireless II

    £2,250.00
    Tax included. Shipping calculated at checkout.
    DESCRIPTION +

    The 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.

    Summary of features
    FREEDOM – 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

    USER-CENTRED – let you be you
    • Intuitive on-boarding with user-centred features
    • Personalised listening experience via KEF Connect App

    PERFORMANCE – 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

     

    The new wireless platform that sits at the digital heart of the LS50 Wireless II ensures that no matter how you like to listen to your music, you will be able to do so with the minimum of fuss and in fantastic sound quality. LS50 Wireless II gives you direct access to your favourite music services, including Spotify (via Spotify Connect), Tidal, Amazon Music, Qobuz and Deezer. You can even tune in to Internet Radio Stations and catch up on the latest podcasts through the KEF Connect app. 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 inputs.

    LS50 Wireless II has audiophiles covered with support for streaming music files up to 24bit/384kHz, as well as MAQ, DSD256, and ROON Ready (coming soon). These features mean that even the experienced hifi enthusiast will marvel at this exceptional loudspeaker’s ability; LS50 Wireless II really does offer something to everybody.

    FEATURES +

    USER-CENTRED

    Let you be you

    Even beyond the flawless musical performance, the LS50 Wireless II is a breeze to set up, intuitive to use and offers over-the-air firmware updates for bringing you new and improved features with the minimum of fuss. You can choose to connect the speakers with the supplied cable (24bit/192kHz resolution) or wirelessly (with 24bit/96kHz resolution) for a completely clutter-free set up. You can even select your favourite source to wake up LS50 Wireless II whenever it comes on, giving you immediate access to your favourite source.

    Plus, when using AirPlay 2, Chromecast or ROON (coming soon) you can stream to multiple speakers, so you can play music all over your house. The brand-new dedicated KEF Connect app walks you through theset-up and controls the system on a day-to day basis, including intuitive sound settings, so you can tune LS50 Wireless II to your own personal tastes.

    PERFORMANCE

    Most accurate, immersive sound

    When it comes to physical technology, LS50 Wireless II takes its lead from KEF’s LS50 Meta passive loudspeakers. A truly revolutionary tool in the KEF acoustic armoury, Metamaterial Absorption Technology1 (MAT) is a highly complex maze-like structure, where each of the intricate channels efficiently absorbs

    a specific frequency. When combined, the channels act as an acoustic black hole, absorbing 99% of the unwanted sound that comes from the rear of the tweeter, eliminating the resulting distortion and providing a purer, more natural sound.

    KEF’s Uni-Q point source configuration delivers a more detailed, accurate and integrated three-dimensional sound image, which is dispersed so evenly throughout the room that the ‘sweet spot’ is wherever you are

    in the room. Using simulation and analysis tools, our engineers have developed the 12th generation Uni-Q with MAT driver array, to reduce high-frequency distortion in the mid-frequency driver. The result is reduced coloration, less distortion and a sound that is more transparent and life-like than previously possible. The other frequencies are equally well served, with crystal clear midrange and room-filling, deep and articulate bass.

    The performance of LS50 Wireless II is aided by KEF’s bespoke Music Integrity Engine, a cutting-edge collection of bespoke Digital Signal Processing algorithms optimised for the new Uni-Q with MAT driver array, enabling it to deliver a perfectly timed performance, for better imaging and a tighter, unsmeared sound.

    LS50 Wireless II also has plenty of power on tap. Each tweeter benefits from being driven by a new 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. The diligent amplifier development has all been undertaken in-house by KEF, in order to completely control the quality of power on offer.

    The end result of this tireless effort is sensationally dynamic sound, with the music’s subtle ebb and flow delivered in all its glory.

    SPECIFICATION +

    Specifications

    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
    Frequency response (±3dB) measured at 85dB/1m
    40Hz – 47kHz
    *Depends on EQ settings
    45Hz – 28kHz
    *Depends on EQ settings



    Amplifier output power (per speaker) LF: 280W, HF: 100W
    Amplifier class (per speaker) LF: Class D, HF: Class AB

    Max SPL measured at 1m 108 dB
    Wireless streaming features AirPlay 2, Google Chromecast, ROON Ready (coming soon), UPnP Compatible, Bluetooth 4.2 Streaming services Spotify via Spotify Connect, Tidal, Amazon Music, Qobuz, Deezer, QQ Music via QPlay (coming soon),
    Internet Radio, Podcast
    *Depends on services availability in different countries
    Source resolution Network up to 384kHz/24bit Optical up to 96kHz/24bit Coaxial up to 192kHz/24bit HDMI up to 192kHz/24bit
    *Depends on source resolution
    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) MAQ
    DSF: DSD64, DSD128, DSD256 DFF: DSD64
    Dimensions (HWD per speaker) 305 x 200 x 311 mm (12.0 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 Secondary speaker
    Inputs HDMI eARC USB Type A (service)
    TOSLINK Optical RJ45 Ethernet (interspeaker)
    Digital Coaxial
    Analog 3.5mm Auxiliary
    USB Type A (service)
    RJ45 Ethernet (network)
    RJ45 Ethernet (interspeaker)
    Output RCA Subwoofer output RCA Subwoofer output
    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 -

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