Specification Sheet
Carbon Black
Titanium Grey
Mineral White Crimson Red
Special Edition
Specifications
Model LS50 Wireless II
Drive units
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
40Hz – 47kHz
*Depends on EQ settings
Frequency response (±3dB)
measured at 85dB/1m
45Hz – 28kHz
*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
Streaming services Spotify via Spotify Connect, Tidal, Amazon Music, Qobuz, Deezer, QQ Music via QPlay,
Internet Radio, Podcast
*Depends on services availability 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 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) MAQ
DSF: DSD64, DSD128, DSD256
DFF: DSD64
Dimensions (HWD per speaker) 305 x 200 x 311 mm (12.0 x 7.9 x 12.2 in.)
Weight (per set) 20.1kg (44.31lbs)
Power input 100 – 240VAC 50/60Hz
Power consumption 200W (operating power)
<2.0W (standby power)
Primary speaker Secondary speaker
Inputs HDMI eARC
TOSLINK Optical
Digital Coaxial
Analog 3.5mm Auxiliary
RJ45 Ethernet (network)
RJ45 Ethernet (interspeaker)
RJ45 Ethernet (interspeaker)
Output RCA Subwoofer 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 -
Visit: KEF.com for more about KEF and its products.
KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE.
04.2021 | LS50 Wireless II