KEF - LS50 Wireless II

KEF LS50 Wireless II

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 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, 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.​​​​​​​

Seamless home integration

LS50 Wireless II is more than a high-fidelity speaker system - it is designed to enhance your everyday life. Seamlessly integrate LS50 Wireless II into your smart home to browse and play music, select sources, or use controls such as play, pause, and adjust the volume via your smart home app or control interface.

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.

Metamaterial Absorption Technology

A truly revolutionary tool in the KEF acoustic armoury, Metamaterial Absorption Technology (MAT™) is a highly complex maze-like structure that absorbs 99% of the unwanted sound from the rear of the driver, eliminating the resulting distortion and providing purer, more natural sound.

Every spot is the sweet spot - 12th generation Uni-Q with MAT™

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.

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.

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. 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.

Specifications

Specifications

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
Frequency Response (±3dB) Measured at 85dB/1m: 45 Hz – 28 kHz
Amplifier Output 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, UPnP Compatible, Bluetooth 4.2
Source Resolution: Network up to 384kHz/24bit Optical up to 96kHz/24bit; Coaxial up to 192kHz/24bit; HDMI up to 192kHz/24bit
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
Home Automation System: Elan, RTi, Crestron Home, Savant, Control4, URC
Supported Format (Network): MQA, DSF: DSD64, DSD128, DFF: DSD64
Dimensions (HWD per Speaker): 305 x 200 x 311 mm
Power Input: 100 – 240VAC 50/60Hz
Power Consumption: 200W (operating power), <2.0W (standby power)
Streaming Services: Spotify via Spotify Connect, Tidal via Tidal Connect, Amazon Music, Qobuz, Deezer, QQ Music via QPlay (coming soon), Internet Radio, Podcast
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 Frequency Band: Dual-band 2.4 GHz / 5 GHz
Secondary Speaker Inputs: USB Type A (service), RJ45 Ethernet (interspeaker)
Output: RCA Subwoofer output