KEF LS50 Wireless II


Style: Carbon Black
Price:
$4,295

Description

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
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: MQA Core Decoder
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)

Inputs

HDMI eARC
TOSLINK Optical
Digital Coaxial
Analog 3.5mm Auxiliary
USB Type A (service)
RJ45 Ethernet (network)
RJ45 Ethernet (interspeaker) x2

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 reserves the right, in line with continuing research and development, to amend or change specifications. E&OE.

Colours

Carbon Black

Titanium Grey

Mineral White

KEF is a proud pioneer of excellence in sound.

Since 1961, from our UK home, we have created remarkable – award-winning – speakers. From our ground-breaking Uni-Q technology to our bar-setting LS50 Wireless, KEF exists to fill rooms with music as it was made to be heard, to move souls with truly authentic soundscapes.

Innovation

KEF is named after Kent Engineering and Foundry where our story began. Our founder Raymond Cooke was propelled by a love of music and a refusal to compromise, and he leveraged technology at every turn to ensure KEF’s position at the cutting edge of audio.

A list of breakthroughs spanning more than half a century shores up that promise; a walk to match the talk. Patents and academic papers alike testify to decades of consistent progress, from the early use of synthetic materials to our Reference Series which determines industry standards to this day. KEF’s insistence on excellence is at the heart of a virtuous circle, which attracts the world’s most gifted acoustic engineers to join us in the pursuit of good, better, best.

Listen and believe

KEF’s mission is to deliver sound with as little intervention as possible; from treble to bass, and everything in between. Listeners should be able to close their eyes and immerse themselves in the sound so deeply that they are transported, in their minds, to the source. We believe that the best sound is natural sound – and that access to it is a right, not a privilege.

Experience is everything, and that’s no overstatement. Combining our obsessions with acoustic authenticity and innovative engineering, we’d like to think that KEF products speak for themselves.

We invite you to close your eyes and be transported. Listen and believe.

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