Appendix; Specifications - KEF LS50 Wireless II User Manual

18.

Appendix

18.1

Specifications

Model
Drive units
Frequency range (-6 dB)
measured at 85 dB/1 m
Frequency response (±3 dB)
measured at 85 dB/1 m
Amplifier output power
(per speaker)
Amplifier class (per speaker)
Max SPL measured at 1m
Wireless streaming features
Streaming services
Source resolution
Interspeaker connection
LS50 Wireless II
Uni-Q Driver Array:
LF: 130 mm (5.25 in.) aluminium cone
HF: 25 mm (1 in.) vented aluminium dome with
Metamaterial Absorption Technology
40 Hz – 47 kHz
(Depends on EQ settings)
45 Hz – 28 kHz
(Depends on EQ settings)
LF: 280 W HF: 100 W
LF: Class D HF: Class AB
108 dB
AirPlay 2
Google Chromecast
ROON Ready
UPnP Compatible
Bluetooth 4.2
Spotify via Spotify Connect
Tidal
Amazon Music
Qobuz
Deezer
QQ Music via QPlay
Internet Radio
Podcast
(Depends on services availability in different countries)
Network up to 384 kHz / 24 bit
Optical up to 96 kHz / 24 bit
Coaxial up to 192 kHz / 24 bit
HDMI up to 192 kHz / 24 bit
(Depends on source resolution)
Wireless: all sources resampled to 96 kHz / 24 bit PCM
Wired: all sources resampled to 192 kHz / 24 bit PCM
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