Combine network music, television audio and other sources in a self-contained stereo system.
Combine network music, television audio and other sources in a self-contained stereo system. LS50 Wireless II brings Uni-Q drivers with Metamaterial Absorption Technology together with dedicated built-in amplification. KEF Connect provides setup and streaming control, while HDMI eARC connects a compatible television. Optional stands and a subwoofer can extend the installation.
| Sold as | Stereo pair / complete system |
|---|---|
| Frequency Response | (±3dB) Measured at 85dB/1m 45 Hz – 28 kHz *Depends on EQ settings |
| Frequency Range | (-6dB) Measured at 85dB/1m 40 Hz – 47 kHz *Depends on EQ settings |
| Maximum SPL Measured at 1m | 108 dB |
| 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 |
| Amplifier Type | LF: Class D HF: Class AB |
| Inputs | Primary Speaker: HDMI eARC TOSLINK Optical Digital Coaxial Analog 3.5mm Auxiliary USB Type A (service) RJ45 Ethernet (network) RJ45 Ethernet (interspeaker) Secondary Speaker: USB Type A (service) RJ45 Ethernet (interspeaker) |
| Outputs | RCA Subwoofer output |
| Interspeaker Connection | Wireless: all sources resampled to 96kHz/24bit PCM Wired: all sources resampled to 192kHz/24bit PCM |
| Supported 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 |
| Supported Format (Network) | MQA DSF: DSD64, DSD128 DFF: DSD64 |
| Supported Format (All Inputs) | MP3, M4A, AAC, FLAC, WAV, AIFF, ALAC, WMA, LPCM and Ogg Vorbis |
| Wireless Streaming Features | AirPlay 2 Google Cast ROON Ready UPnP Compatible Bluetooth 5.0 Plays with Audirvāna |
| Wi-Fi Standard | IEEE 802.11a/b/g/n/ac IPv4, IPv6 |
| Wi-Fi Frequency Band | Dual-band 2.4 GHz / 5 GHz |
| Streaming Services | Spotify via Spotify Connect Tidal via Tidal Connect Amazon Music Qobuz Deezer QQ Music via QPlay (coming soon) Internet Radio Podcast *Depends on services availability in different countries |
| Power Input | 100 – 240VAC 50/60Hz |
| Power Consumption | 200W (operating power) <2.0W (standby power) |
| Dimension (H x W x D) | 305 mm x 200 mm x 311 mm (12 in. x 7.9 in. x 12.2 in.) |
| Weight | 20.1kg (44.3lbs) |
| Home Automation System | Elan, RTi, Crestron Home, Savant, Control4, URC |
| Couleur | Carbon Black, Mineral White, Moss Green, Sand Shell |
| Marques | KEF |
