KEF LS-50 WIRELESS II (Black)
The Ultimate Wireless HiFi
WHAT HI-FI? AWARDS 2020 - 'PRODUCT OF THE YEAR'
"These sequels are among the most thrilling speaker systems we’ve heard." — September 2020, What Hi-Fi?
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 devices
Out-of-the-box wireless compatibility with AirPlay 2, Google Chromecast and more, backed up with wired connections such as HDMI for your TV, other connections for 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, DSD, 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.
Every spot is the sweet spot
12th generation Uni-Q with MAT
Using advanced simulation and analysis tools, our engineers have developed the 12th generation Uni-Q with MAT. This new driver array delivers reduced colouration, less distortion and a sound that is more transparent and life-like than previously possible, all dispersed evenly throughout the room.
Music Integrity Engine
All aspects of the LS50 Wireless II’s performance are 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.
Design by Simon Davies and KEF Industrial Design Team
Simon Davies led the KEF Industrial Design Team from 2000 through to 2018. He was responsible for key product designs including LS50 and LS50 Wireless, The Reference and R Series. Since 2018, Simon has acted as a design consultant for KEF, and continues to work very closely with the KEF Industrial Design Team.
LS50 Wireless II
Drive Unit
12th Gen 5.25” Uni-Q with MAT
Built-in Amplifier Output Power (per system)
760W
Optimal Room Size
10-100 m2
Max. source resolution
Up to 384kHz/24bit
MQA supported
DSD supported
Streaming Protocols Support
AirPlay 2
Google ChromeCast
DLNA Compatible
Roon Ready
Bluetooth 4.2
Streaming Services
Spotify
Tidal
Amazon Music
Qobuz
Deezer
QQ Music
Internet Radio
Podcast
Built-in Amplifier Power (per system)
760W
Max SPL
108dB
Max Source Resolution
384kHz/24bit
MQA, DSD
Interspeaker Connection
Proprietary Wireless or Cat 6 Cable
Drive Unit
12th Generation
Uni-Q with MAT
+40%
frequency response smoothness
Driver rearward Sound Absorption
99% by MAT
Mid-band Total Harmonic Distortion (THD) at 90dB/1m
THD 0.07%
Extremely low distortion by driver motor redesign
Model | LS50 Wireless |
---|---|
Drive Units | Uni-Q driver array: HF: 25mm (1in.) vented aluminium dome LF/MF: 130mm (5.25in.) magnesium/aluminium alloy |
Frequency Range | (-6dB) Measured at 85dB/1m 40Hz – 47kHz (More bass extension) 43Hz – 47kHz (Standard) 46Hz – 47kHz (Less bass extension) Depending on speaker settings |
Frequency Response | (±3dB) Measured at 85dB/1m 45Hz – 28kHz (More bass extension) 50Hz – 28kHz (Standard) 61Hz – 28kHz (Less bass extension) Depending on speaker settings |
Maximum Output | (SPL) 106dB |
Inputs | 2.4GHz/5GHz Dual-band Wi-Fi network Bluetooth 4.0 with aptX® codec USB Type B TOSLINK Optical RCA Analog Line Level Input 10/100 Mbps RJ45 Ethernet (For network and service) |
Output | Subwoofer output |
Amplifier output power | LF: 200W HF: 30W |
Bluetooth range | 10m |
Bluetooth memory | 8 devices |
Resolution | Up to 24bit Depending on source resolution |
Sampling rate | Up to 192kHz (USB Type B) Up to 96kHz (TOSLINK Optical) Depending on source resolution |
Wi-Fi Network Standard | IEEE 802.11a/b/g/n |
Wi-Fi Network Frequency Band | Dual-band 2.4GHz/ 5 GHz |
Supported Streaming Service | Tidal |
Power Input | 100 – 240VAC 50/60Hz |
Dimensions | (H x W x D) 300 x 200 x 308mm(11.8 x 7.9 x 12.1in.) |
Weight | Left Speaker 10.0kg (22.0lbs.) Right Speaker 10.2kg (22.5lbs.) |
Unit measurement | Pair |
Product Support | Click here for the latest information |
Document Download | Brochure Quick Start Guide Product Information Sheet |
Remarks | KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE. |