KEF LS50 Wireless 2 Active Speakers

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Color: Matte Crimson Red Special Edition
Price:
$4,295

Tax included

LS50 Wireless II

Every note. Every word. Every detail.

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.


HiFi enthusiast

LS50 Wireless II has audiophiles covered with support for streaming music files up to 24bit/384kHz, as well as MQA, DSD256, and Roon Ready. These features mean that even the experienced hifi enthusiast will marvel at this exceptional loudspeaker’s ability.

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.

Wired or wireless connectivity

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.

Personalised listening experience

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.

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.

The Details

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

Amplifier class (per speaker)

Amplifier class (per speaker)

Max SPL
measured at 1m

108 dB

Wireless streaming features

AirPlay 2
Google Chromecast
ROON Ready
UPnP Compatible
Bluetooth 4.2

Streaming services

Spotify via Spotify Connect
Tidal
Amazon Music
Qobuz
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
DSF: DSD64, DSD128, DSD256
DFF: 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 input

100 – 240VAC 50/60Hz

Power consumption

200W (operating power)
<2.0W (standby power)

Primary speaker

Inputs

HDMI eARC
TOSLINK Optical
Digital Coaxial
Analog 3.5mm Auxiliary
USB Type A (service)
RJ45 Ethernet (network)
RJ45 Ethernet (interspeaker)

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

Secondary speaker

Inputs

USB Type A (service)
RJ45 Ethernet (interspeaker)

Output

RCA Subwoofer output

DOWNLOADS

Product Information Sheet

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