KEF LS50 Wireless II Active Hifi and Home Cinema Speaker Bookshelf Mineral White
Product description:
At the heart of the LS50 wireless speakers is their 12th-generation Uni-Q driver array.
This KEF-exclusive setup places the 25mm tweeter in the acoustic centre of the midrange cone, creating an immersive, room-wide sound that is elevated further by the powerful 5.25-inch driver.
To ensure optimal sound clarity, Metamaterial Absorption Technology (MAT) absorbs the rear wave of the tweeter.
This extinguishes 99% of any unwanted sound reflections, resulting in a world-class high-frequency response.
The LS50W II’s are fitted with a Music Integrity Engine, which uses Digital Signal Processing (DSP) to optimise the audio in real time.
These active speakers also feature a combination of a 100W class A/B and a 280W class D amplifier to independently power the tweeter and mid/bass driver respectively.
Key features:
- 12th generation Uni-Q driver array delivers a room-wide ‘sweet spot’ with holographic soundstage
- Metamaterial Absorption Technology (MAT) reduces unwanted distortion for a clear sound
- Music Integrity Engine uses DSP algorithms to correct timing errors to ensure improved imaging
- 100W Class A/B and 280W Class D amplifiers offer powerful audio to enhance the music
- Bluetooth supports wireless streaming up to 24bit/96kHz resolution
- MQA and DSD support guarantees exceptional sound quality whilst streaming
- AirPlay 2, Chromecast and Roon Ready compatibility allow for a multiroom listening experience
- Optical, coaxial, and HDMI eARC inputs offer versatile connectivity
- The KEF Connect app gives you total control over the sound
LS50 Wireless specifications:
- Dimensions per speaker (H x W x D ): 305 x 200 x 311 mm
- Weight (per set): 20.1 kg
- 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: 40Hz – 47kHz
- Frequency response (±3dB)measured at 85dB/1m: 45Hz – 28kHz
- 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
- Streaming services: Spotify via Spotify Connect, Tidal, Amazon Music, Qobuz, Deezer, QQ Music via QPlay, Internet Radio, Podcast
- Source resolution: Network up to 384kHz/24bit | Optical up to 96kHz/24bit | Coaxial up to 192kHz/24bit | HDMI up to 192kHz/24bi
- Interspeaker connection: Wireless: all sources resampled to 96kHz/24bit PCM | Wired: all sources resampled to 192kHz/24bit PCM
- Supported format: MP3, M4A, AAC, F;AC, WAV, AIFF, ALAC, WMA, LPCM
- Power input: 100 – 240VAC 50/60Hz
- Power consumption of LS50: 200W (operating power) | <2.0W (standby power)
- Inputs primary speaker: HDMI eARC, TOSLINK Optical, Digital Coaxial, Analog 3.5mm Auxiliary, USB Type A (service), RJ45 Ethernet (network), RJ45 Ethernet (interspeaker)
- Output primary speaker: RCA Subwoofer output
- Output secondary speaker: RCA Subwoofer output
- Wi-Fi network standard: IEEE 802.11a/b/g/n/ac, IPv4, IPv6
Why Choose Lean Business Audio?
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