KEF LS50 Wireless II Active Speakers

KEF LS50 Wireless II Active Speakers


Availability: Available on backorder SKU: KEF-LS50W.II (BK/TG/WH) Categories: ,
  • Description
  • Additional information


The Ultimate Wireless HiFi Speakers

LS50 Wireless II is more than a high-performance loudspeaker; it’s the perfect all-in-one speaker system, streaming from any source thanks to wireless compatibility with AirPlay 2, Chromecast and more, plus wired connections for your TV, games console and turntable. Great sound, no strings attached.


All the music, all the time

Play all major music services and supports all major audio formats

Wireless both from source and between the speakers

Comprehensive applications and connectivity


Let you be you

Intuitive on-boarding with user-centred features

Personalised listening experience via KEF Connect App


Most accurate,immersive sound.

Metamaterial Absorption Technology for pure, natural sound

12th generation Uni-Q with MAT for exceptional acoustic accuracy

Music Integrity Engine for rich, full-bodied sound

System power: LF 280W class D, HF 100W class A/B, Max. SPL: 108dB


Attention to every detail

Optimised cabinet design for best acoustic performance

Available in 4 finishes

With mounting inserts to secure on KEF S2 Floor Stand (available as separate item)


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Listen and believe

Really great loudspeakers simply melt away, leaving you with just the music. A pristine voice, perfectly rendered layers of instruments you can lose yourself in, sound so clear it’s as though the artist is there with you. This is what great loudspeakers with the best technology deliver.

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What’s in the box

LS50 Wireless II
Remote control
Interspeaker Cable
Power cord
Quick Start Guide, Warranty
*Contents and colour vary by region
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)
                     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
                 *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
Home Automation System
               Elan, RTi, Crestron Home, Savant, Control4, URC
Supported Format (Network)
                DSF: DSD64, DSD128
                DFF: DSD64
Dimensions (HWD per Speaker) :305 x 200 x 311 mm (12 x 7.9 x 12.2 in.)
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
              QQ Music via QPlay (coming soon)
              Internet Radio
             *Depends on services availability in different countries
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)
             RCA Subwoofer output

Additional information

Weight 5 kg