Powerful Sound: Precision-designed for acoustic excellence, the LS50 Wireless II Speakers from KEF present an unmatched audio experience.

The Ultimate Wireless Hifi: More than just a high-performance loudspeaker, this compact all-in-one speaker system lets you stream your music from any source. Out-of-the-box wireless compatibility with Chromecast, AirPlay 2, Spotify Connect and others alongside wired connections for your turntable, TV and games consoles, means the LS50 Wireless II offers you complete freedom to stream music.

Innovative Design: Every aspect of the LS50 Wireless II is engineered with acoustic benefits and design taking equal prominence and with precise attention to every detail, it is a modern and elegant piece of equipment to introduce to your home while also being supremely functional.

Easy To Use: The LS50 Wireless II is simple 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 minimum fuss.

Stylish, flexible and compact above all, KEF LS50 Wireless II Speakers sound absolutely sensational. Pair them up with one of the in-built streaming services, connect to your existing audio equipment, TV, PC or Mac, or simply Bluetooth or AirPlay2 straight to them, these handle everything you can throw at them with consummate ease. 

A high-performance loudspeaker, the LS50 Wireless II presents a sleek curved design intended to enhance its sonic ability. Featuring compatibility with AirPlay 2, Google Chromecast and all major streaming applications, the speaker boasts a simple multiroom system allowing you to broadcast sound around your home. With an immersive sound and plentiful power, the LS50 Wireless II is intelligently designed by KEF, providing an immersive sound quality for everyday use at home, it's the perfect all-in-one speaker system with new, innovative technology giving you superior sound.

Features:

Model

LS50 Wireless II in Carbon Black Product Number: SP4025BB

In the box: LS50 Wireless II, Remote Control, Interspeaker Cable, Power Cord, Quick Start Guide, Warranty

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 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 via Tidal Connect
Amazon Music
Qobuz
Deezer
QQ Music via QPlay (coming soon)
Internet Radio
Podcast

*Depends on services available 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 the 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)

30.5 x 20.0 x 31.1 cm  

Weight (per set)

20.1kg  

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)

Secondary Speaker

INPUTS

USB Type-A (service)
RJ45 Ethernet (interspeaker)

Output

RCA Subwoofer output

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