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.
Feature Set Includes: (SOLD AS A SET / PAIR)
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 5.0
Plays with Audirvāna
Source Resolution
Network up to 384kHz/24bit Optical up to 96kHz/24bit
Coaxial up to 192kHz/24bit
HDMI up to 192kHz/24bit
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
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
