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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.

$4,500.00

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.

Features

The Ultimate Wireless HiFi

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.

Freedom

All the music, all the time

No 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 device

Out-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.

All your device

Out-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.

User-Centred

Let you be you

Even 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.

You 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.The 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.

Simple multiroom system

When using LS50 Wireless II with Airplay 2, Chromecast or Roon you can stream to multiple speakers around your home at the same time. By using multiple LS50 Wireless II speakers, you can have a simple, high-performance multiroom system.

*Coming soon

Performance

Most accurate, immersive sound

LS50 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 Engine

All 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 power

The 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.

Design

Attention to every detail

Every 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.

The perfect colour for you

LS50 Wireless II is available in three matte finishes, carbon black, titanium grey, and mineral white, as well as a Crimson Red Special Edition. All the colour options are mirrored on both the drive units and the rear-facing port. The top-mounted control panel is designed to be stylish and functional.

What's new

Owners of the LS50 Wireless may be wondering what’s new? The answer: pretty much everything. The original was fantastic, but LS50 Wireless II is better in every respect, with improved sound, better connectivity and usability.

Streaming Services

Wireless Streaming Support

Specification
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 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)
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

"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.

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